./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.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_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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_f45466c1-3431-45b7-a10a-62c490265530/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 ad157bb59ab2340bd84ae4f3e0fc67d889cafb8dcb0637d5b8ca503c84568a53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:29:53,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:29:54,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:29:54,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:29:54,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:29:54,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:29:54,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:29:54,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:29:54,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:29:54,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:29:54,076 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:29:54,076 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:29:54,076 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:29:54,076 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:29:54,077 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:29:54,077 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:29:54,077 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:29:54,077 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:29:54,077 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:29:54,077 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:29:54,077 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:29:54,080 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:29:54,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:29:54,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:29:54,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:29:54,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:29:54,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:29:54,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:29:54,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:29:54,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:29:54,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:29:54,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:29:54,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:29:54,084 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:29:54,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:29:54,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:29:54,084 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:29:54,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:29:54,085 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_f45466c1-3431-45b7-a10a-62c490265530/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 -> ad157bb59ab2340bd84ae4f3e0fc67d889cafb8dcb0637d5b8ca503c84568a53 [2024-11-14 05:29:54,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:29:54,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:29:54,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:29:54,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:29:54,496 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:29:54,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i Unable to find full path for "g++" [2024-11-14 05:29:56,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:29:56,705 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:29:56,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i [2024-11-14 05:29:56,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/data/65c03cf50/5bec491175cd47a0a9d9c0ba0fd09f1f/FLAG78bd3b03a [2024-11-14 05:29:56,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/data/65c03cf50/5bec491175cd47a0a9d9c0ba0fd09f1f [2024-11-14 05:29:56,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:29:56,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:29:56,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:29:56,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:29:56,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:29:56,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:29:56" (1/1) ... [2024-11-14 05:29:56,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3236b04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:56, skipping insertion in model container [2024-11-14 05:29:56,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:29:56" (1/1) ... [2024-11-14 05:29:56,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:29:57,122 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_f45466c1-3431-45b7-a10a-62c490265530/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i[915,928] [2024-11-14 05:29:57,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:29:57,206 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:29:57,217 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_f45466c1-3431-45b7-a10a-62c490265530/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i[915,928] [2024-11-14 05:29:57,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:29:57,258 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:29:57,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57 WrapperNode [2024-11-14 05:29:57,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:29:57,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:29:57,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:29:57,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:29:57,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,304 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-14 05:29:57,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:29:57,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:29:57,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:29:57,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:29:57,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:29:57,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:29:57,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:29:57,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:29:57,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (1/1) ... [2024-11-14 05:29:57,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:29:57,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:29:57,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:29:57,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:29:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:29:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:29:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:29:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:29:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:29:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:29:57,492 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:29:57,495 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:29:57,830 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:29:57,830 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:29:58,031 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:29:58,032 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:29:58,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:29:58 BoogieIcfgContainer [2024-11-14 05:29:58,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:29:58,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:29:58,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:29:58,042 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:29:58,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:29:56" (1/3) ... [2024-11-14 05:29:58,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c489591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:29:58, skipping insertion in model container [2024-11-14 05:29:58,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:29:57" (2/3) ... [2024-11-14 05:29:58,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c489591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:29:58, skipping insertion in model container [2024-11-14 05:29:58,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:29:58" (3/3) ... [2024-11-14 05:29:58,046 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-60.i [2024-11-14 05:29:58,066 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:29:58,068 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-60.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:29:58,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:29:58,155 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;@447725e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:29:58,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:29:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 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 05:29:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 05:29:58,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:29:58,172 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, 1] [2024-11-14 05:29:58,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:29:58,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:29:58,179 INFO L85 PathProgramCache]: Analyzing trace with hash 656555023, now seen corresponding path program 1 times [2024-11-14 05:29:58,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:29:58,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214483506] [2024-11-14 05:29:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:29:58,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:29:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:29:58,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658819989] [2024-11-14 05:29:58,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:29:58,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:29:58,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:29:58,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:29:58,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:29:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:29:58,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:29:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:29:59,004 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:29:59,006 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:29:59,007 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:29:59,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:29:59,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:29:59,215 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:29:59,324 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:29:59,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:29:59 BoogieIcfgContainer [2024-11-14 05:29:59,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:29:59,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:29:59,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:29:59,330 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:29:59,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:29:58" (3/4) ... [2024-11-14 05:29:59,333 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:29:59,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:29:59,335 INFO L158 Benchmark]: Toolchain (without parser) took 2377.84ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 87.1MB in the end (delta: 31.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-14 05:29:59,335 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:29:59,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.15ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 104.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:29:59,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.97ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 101.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:29:59,336 INFO L158 Benchmark]: Boogie Preprocessor took 28.06ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:29:59,336 INFO L158 Benchmark]: RCFGBuilder took 698.13ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 67.7MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 05:29:59,337 INFO L158 Benchmark]: TraceAbstraction took 1292.03ms. Allocated memory is still 142.6MB. Free memory was 67.0MB in the beginning and 87.1MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:29:59,337 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 87.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:29:59,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.15ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 104.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.97ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 101.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.06ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 698.13ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 67.7MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1292.03ms. Allocated memory is still 142.6MB. Free memory was 67.0MB in the beginning and 87.1MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 87.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 128. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] float var_1_4 = 7.8; [L25] signed short int var_1_6 = 16; [L26] signed short int var_1_7 = 256; [L27] float var_1_8 = 256.6; [L28] unsigned char var_1_9 = 50; [L29] unsigned char var_1_10 = 5; [L30] double var_1_11 = 127.75; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 1; [L33] unsigned char var_1_14 = 0; [L34] double var_1_15 = 15.2; [L35] double var_1_16 = 256.5; [L36] double var_1_17 = 256.5; [L37] double var_1_18 = 0.0; [L38] double var_1_19 = 9.7; [L39] unsigned long int var_1_20 = 10000000; [L40] unsigned long int var_1_21 = 4008920074; [L41] signed short int last_1_var_1_1 = 32; [L42] unsigned char last_1_var_1_9 = 50; [L43] double last_1_var_1_11 = 127.75; [L44] double last_1_var_1_16 = 256.5; [L45] unsigned long int last_1_var_1_20 = 10000000; [L145] isInitial = 1 [L146] FCALL initially() [L147] COND TRUE 1 [L148] CALL updateLastVariables() [L134] last_1_var_1_1 = var_1_1 [L135] last_1_var_1_9 = var_1_9 [L136] last_1_var_1_11 = var_1_11 [L137] last_1_var_1_16 = var_1_16 [L138] last_1_var_1_20 = var_1_20 [L148] RET updateLastVariables() [L149] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L99] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L100] var_1_4 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L102] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L103] var_1_6 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L106] var_1_7 = __VERIFIER_nondet_short() [L107] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L112] var_1_12 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L114] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L118] var_1_14 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L120] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L121] var_1_15 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L123] var_1_17 = __VERIFIER_nondet_double() [L124] 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_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L124] 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_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && 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_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && 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_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] 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_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L128] 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_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=50] [L149] RET updateVariables() [L150] CALL step() [L49] signed long int stepLocal_0 = (((var_1_7) < (last_1_var_1_1)) ? (var_1_7) : (last_1_var_1_1)); [L50] COND FALSE !(last_1_var_1_11 < (last_1_var_1_11 + last_1_var_1_16)) [L57] var_1_9 = var_1_10 [L59] unsigned long int stepLocal_1 = last_1_var_1_20; [L60] COND FALSE !(((var_1_10 * last_1_var_1_9) + last_1_var_1_1) > stepLocal_1) [L63] COND TRUE (last_1_var_1_16 >= last_1_var_1_16) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14)) [L64] COND TRUE \read(var_1_2) [L65] var_1_11 = var_1_15 [L72] COND TRUE \read(var_1_13) [L73] var_1_20 = (((((var_1_9) > (128u)) ? (var_1_9) : (128u))) + var_1_9) [L81] COND FALSE !((- var_1_16) <= var_1_4) [L86] COND TRUE \read(var_1_2) [L87] COND FALSE !((var_1_11 / var_1_4) <= var_1_8) [L90] var_1_1 = var_1_9 [L150] RET step() [L151] CALL, EXPR property() [L141-L142] return (((((var_1_2 ? (((var_1_11 / var_1_4) <= var_1_8) ? (var_1_1 == ((signed short int) (var_1_9 - var_1_9))) : (var_1_1 == ((signed short int) var_1_9))) : (var_1_1 == ((signed short int) var_1_9))) && (((- var_1_16) <= var_1_4) ? (((var_1_11 <= var_1_4) || var_1_2) ? (var_1_8 == ((float) 3.3f)) : 1) : 1)) && ((last_1_var_1_11 < (last_1_var_1_11 + last_1_var_1_16)) ? ((((((var_1_7) < (last_1_var_1_1)) ? (var_1_7) : (last_1_var_1_1))) > (var_1_6 * 1)) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) var_1_10))) : (var_1_9 == ((unsigned char) var_1_10)))) && (((last_1_var_1_16 >= last_1_var_1_16) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14))) ? (var_1_2 ? (var_1_11 == ((double) var_1_15)) : (var_1_11 == ((double) var_1_15))) : (var_1_11 == ((double) var_1_15)))) && ((((var_1_10 * last_1_var_1_9) + last_1_var_1_1) > last_1_var_1_20) ? (var_1_16 == ((double) (var_1_17 - (var_1_18 - var_1_19)))) : 1)) && (var_1_13 ? (var_1_20 == ((unsigned long int) (((((var_1_9) > (128u)) ? (var_1_9) : (128u))) + var_1_9))) : ((var_1_9 >= var_1_9) ? (var_1_20 == ((unsigned long int) (var_1_21 - var_1_9))) : (var_1_20 == ((unsigned long int) var_1_9)))) ; [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_16=513/2, var_1_1=0, var_1_20=128, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=0, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_16=513/2, var_1_1=0, var_1_20=128, var_1_21=2147483647, var_1_2=1, var_1_6=-1, var_1_7=0, var_1_8=1283/5, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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=44occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 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 05:29:59,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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_f45466c1-3431-45b7-a10a-62c490265530/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 ad157bb59ab2340bd84ae4f3e0fc67d889cafb8dcb0637d5b8ca503c84568a53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:30:02,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:30:02,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:30:02,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:30:02,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:30:02,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:30:02,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:30:02,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:30:02,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:30:02,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:30:02,384 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:30:02,384 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:30:02,386 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:30:02,387 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:30:02,387 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:30:02,387 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:30:02,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:30:02,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:30:02,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:30:02,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:30:02,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:30:02,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:30:02,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:30:02,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:30:02,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:30:02,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:30:02,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:30:02,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:30:02,393 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:30:02,393 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:30:02,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:30:02,393 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:30:02,393 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_f45466c1-3431-45b7-a10a-62c490265530/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 -> ad157bb59ab2340bd84ae4f3e0fc67d889cafb8dcb0637d5b8ca503c84568a53 [2024-11-14 05:30:02,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:30:02,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:30:02,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:30:02,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:30:02,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:30:02,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i Unable to find full path for "g++" [2024-11-14 05:30:04,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:30:04,841 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:30:04,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i [2024-11-14 05:30:04,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/data/64c69f12b/f82479d515ce4f689fc67f9950bf6914/FLAG33d297116 [2024-11-14 05:30:04,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/data/64c69f12b/f82479d515ce4f689fc67f9950bf6914 [2024-11-14 05:30:04,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:30:04,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:30:04,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:30:04,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:30:04,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:30:04,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:30:04" (1/1) ... [2024-11-14 05:30:04,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c5034d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:04, skipping insertion in model container [2024-11-14 05:30:04,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:30:04" (1/1) ... [2024-11-14 05:30:04,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:30:05,083 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_f45466c1-3431-45b7-a10a-62c490265530/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i[915,928] [2024-11-14 05:30:05,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:30:05,201 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:30:05,214 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_f45466c1-3431-45b7-a10a-62c490265530/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-60.i[915,928] [2024-11-14 05:30:05,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:30:05,292 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:30:05,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05 WrapperNode [2024-11-14 05:30:05,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:30:05,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:30:05,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:30:05,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:30:05,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,355 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2024-11-14 05:30:05,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:30:05,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:30:05,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:30:05,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:30:05,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:30:05,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:30:05,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:30:05,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:30:05,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (1/1) ... [2024-11-14 05:30:05,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:30:05,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:30:05,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:30:05,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:30:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:30:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:30:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:30:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:30:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:30:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:30:05,596 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:30:05,598 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:30:13,639 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:30:13,639 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:30:13,653 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:30:13,654 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:30:13,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:30:13 BoogieIcfgContainer [2024-11-14 05:30:13,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:30:13,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:30:13,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:30:13,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:30:13,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:30:04" (1/3) ... [2024-11-14 05:30:13,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1bee7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:30:13, skipping insertion in model container [2024-11-14 05:30:13,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:30:05" (2/3) ... [2024-11-14 05:30:13,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1bee7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:30:13, skipping insertion in model container [2024-11-14 05:30:13,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:30:13" (3/3) ... [2024-11-14 05:30:13,667 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-60.i [2024-11-14 05:30:13,684 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:30:13,686 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-60.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:30:13,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:30:13,766 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;@77de6143, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:30:13,766 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:30:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 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 05:30:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-14 05:30:13,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:30:13,781 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 05:30:13,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:30:13,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:30:13,785 INFO L85 PathProgramCache]: Analyzing trace with hash -246714611, now seen corresponding path program 1 times [2024-11-14 05:30:13,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:30:13,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516578400] [2024-11-14 05:30:13,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:30:13,802 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 05:30:13,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:30:13,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:30:13,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:30:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:30:15,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:30:15,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:30:15,202 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 05:30:15,203 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:30:15,203 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:30:15,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516578400] [2024-11-14 05:30:15,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516578400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:30:15,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:30:15,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:30:15,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902306641] [2024-11-14 05:30:15,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:30:15,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:30:15,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:30:15,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:30:15,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:30:15,231 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 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 18.0) internal successors, (36), 2 states have internal predecessors, (36), 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 05:30:15,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:30:15,256 INFO L93 Difference]: Finished difference Result 125 states and 218 transitions. [2024-11-14 05:30:15,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:30:15,258 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (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 139 [2024-11-14 05:30:15,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:30:15,264 INFO L225 Difference]: With dead ends: 125 [2024-11-14 05:30:15,265 INFO L226 Difference]: Without dead ends: 62 [2024-11-14 05:30:15,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 05:30:15,271 INFO L432 NwaCegarLoop]: 93 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, 93 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 05:30:15,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:30:15,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-14 05:30:15,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-14 05:30:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 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 05:30:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 93 transitions. [2024-11-14 05:30:15,310 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 93 transitions. Word has length 139 [2024-11-14 05:30:15,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:30:15,310 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 93 transitions. [2024-11-14 05:30:15,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (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 05:30:15,311 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2024-11-14 05:30:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-14 05:30:15,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:30:15,314 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 05:30:15,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:30:15,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:30:15,515 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:30:15,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:30:15,516 INFO L85 PathProgramCache]: Analyzing trace with hash -812891579, now seen corresponding path program 1 times [2024-11-14 05:30:15,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:30:15,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931899236] [2024-11-14 05:30:15,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:30:15,517 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 05:30:15,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:30:15,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:30:15,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:30:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:30:16,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:30:16,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:30:24,050 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 05:30:24,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:30:24,051 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:30:24,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931899236] [2024-11-14 05:30:24,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931899236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:30:24,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:30:24,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:30:24,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878407232] [2024-11-14 05:30:24,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:30:24,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:30:24,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:30:24,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:30:24,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:30:24,055 INFO L87 Difference]: Start difference. First operand 62 states and 93 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 05:30:25,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:28,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:30,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:32,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:34,873 WARN L539 Checker$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 05:30:37,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:39,132 WARN L539 Checker$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 05:30:43,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:45,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:48,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:50,043 WARN L539 Checker$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 05:30:52,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:53,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:30:53,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:30:53,664 INFO L93 Difference]: Finished difference Result 183 states and 278 transitions. [2024-11-14 05:30:53,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:30:53,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 139 [2024-11-14 05:30:53,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:30:53,731 INFO L225 Difference]: With dead ends: 183 [2024-11-14 05:30:53,733 INFO L226 Difference]: Without dead ends: 124 [2024-11-14 05:30:53,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:30:53,734 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 52 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 46 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:30:53,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 224 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 49 Invalid, 11 Unknown, 0 Unchecked, 29.5s Time] [2024-11-14 05:30:53,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-14 05:30:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 108. [2024-11-14 05:30:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 61 states have internal predecessors, (74), 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 05:30:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 162 transitions. [2024-11-14 05:30:53,760 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 162 transitions. Word has length 139 [2024-11-14 05:30:53,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:30:53,761 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 162 transitions. [2024-11-14 05:30:53,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 05:30:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 162 transitions. [2024-11-14 05:30:53,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-14 05:30:53,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:30:53,764 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, 1, 1] [2024-11-14 05:30:53,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:30:53,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:30:53,965 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:30:53,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:30:53,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1995900404, now seen corresponding path program 1 times [2024-11-14 05:30:53,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:30:53,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952161904] [2024-11-14 05:30:53,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:30:53,966 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 05:30:53,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:30:53,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:30:53,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:30:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:30:55,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:30:55,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:31:00,283 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 05:31:00,284 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:31:00,284 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:31:00,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952161904] [2024-11-14 05:31:00,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952161904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:31:00,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:31:00,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:31:00,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211325642] [2024-11-14 05:31:00,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:31:00,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:31:00,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:31:00,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:31:00,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:31:00,287 INFO L87 Difference]: Start difference. First operand 108 states and 162 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 05:31:02,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:05,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:07,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:09,705 WARN L539 Checker$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 05:31:11,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:14,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:17,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:19,498 WARN L539 Checker$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 05:31:21,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:23,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:25,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:25,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:31:25,960 INFO L93 Difference]: Finished difference Result 182 states and 273 transitions. [2024-11-14 05:31:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:31:26,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 141 [2024-11-14 05:31:26,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:31:26,024 INFO L225 Difference]: With dead ends: 182 [2024-11-14 05:31:26,024 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 05:31:26,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:31:26,025 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 52 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 45 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:31:26,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 298 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 63 Invalid, 11 Unknown, 0 Unchecked, 25.4s Time] [2024-11-14 05:31:26,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 05:31:26,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 108. [2024-11-14 05:31:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 61 states have internal predecessors, (73), 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 05:31:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 161 transitions. [2024-11-14 05:31:26,053 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 161 transitions. Word has length 141 [2024-11-14 05:31:26,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:31:26,054 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 161 transitions. [2024-11-14 05:31:26,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 05:31:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2024-11-14 05:31:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-14 05:31:26,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:31:26,057 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, 1, 1] [2024-11-14 05:31:26,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 05:31:26,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:31:26,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:31:26,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:31:26,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1906039882, now seen corresponding path program 1 times [2024-11-14 05:31:26,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:31:26,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377696918] [2024-11-14 05:31:26,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:31:26,259 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 05:31:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:31:26,263 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:31:26,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:31:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:31:27,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:31:27,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:31:27,486 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 05:31:27,486 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:31:27,486 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:31:27,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377696918] [2024-11-14 05:31:27,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377696918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:31:27,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:31:27,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:31:27,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486089635] [2024-11-14 05:31:27,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:31:27,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:31:27,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:31:27,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:31:27,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:31:27,489 INFO L87 Difference]: Start difference. First operand 108 states and 161 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 05:31:30,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:31:32,110 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 05:31:32,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:31:32,210 INFO L93 Difference]: Finished difference Result 180 states and 268 transitions. [2024-11-14 05:31:32,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:31:32,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 141 [2024-11-14 05:31:32,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:31:32,213 INFO L225 Difference]: With dead ends: 180 [2024-11-14 05:31:32,213 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 05:31:32,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:31:32,215 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 16 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:31:32,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 172 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2024-11-14 05:31:32,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 05:31:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2024-11-14 05:31:32,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 66 states have internal predecessors, (80), 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 05:31:32,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 168 transitions. [2024-11-14 05:31:32,238 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 168 transitions. Word has length 141 [2024-11-14 05:31:32,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:31:32,238 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 168 transitions. [2024-11-14 05:31:32,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 05:31:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 168 transitions. [2024-11-14 05:31:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-14 05:31:32,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:31:32,241 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, 1, 1] [2024-11-14 05:31:32,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:31:32,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:31:32,445 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:31:32,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:31:32,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1096693256, now seen corresponding path program 1 times [2024-11-14 05:31:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:31:32,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347036304] [2024-11-14 05:31:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:31:32,448 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 05:31:32,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:31:32,450 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 05:31:32,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f45466c1-3431-45b7-a10a-62c490265530/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 (6)] Waiting until timeout for monitored process [2024-11-14 05:31:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:31:33,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 05:31:33,599 INFO L278 TraceCheckSpWp]: Computing forward predicates...