./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.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_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/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_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/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_3a8cd910-abff-4c11-9523-aa04e4127a89/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 4f1bba3d9f281d4d8bc08bca7bbe0ca52659ab0a02494d574b1e97e91dfbc45f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:35:34,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:35:34,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:35:34,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:35:34,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:35:34,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:35:34,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:35:34,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:35:34,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:35:34,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:35:34,938 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:35:34,938 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:35:34,939 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:35:34,939 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:35:34,939 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:35:34,939 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:35:34,939 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:35:34,939 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:35:34,939 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:35:34,939 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:35:34,942 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:35:34,942 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:35:34,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:35:34,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:35:34,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:35:34,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:35:34,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:35:34,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:35:34,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:35:34,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:35:34,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:35:34,945 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:35:34,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:35:34,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:35:34,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:35:34,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:35:34,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:35:34,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:35:34,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:35:34,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:35:34,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:35:34,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:35:34,948 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:35:34,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:35:34,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:35:34,948 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:35:34,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:35:34,948 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_3a8cd910-abff-4c11-9523-aa04e4127a89/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 -> 4f1bba3d9f281d4d8bc08bca7bbe0ca52659ab0a02494d574b1e97e91dfbc45f [2024-11-14 04:35:35,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:35:35,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:35:35,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:35:35,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:35:35,360 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:35:35,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i Unable to find full path for "g++" [2024-11-14 04:35:37,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:35:38,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:35:38,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i [2024-11-14 04:35:38,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/data/5cb723dd5/26d816982c404377af23b5944b9f2872/FLAG2a7010ea6 [2024-11-14 04:35:38,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/data/5cb723dd5/26d816982c404377af23b5944b9f2872 [2024-11-14 04:35:38,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:35:38,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:35:38,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:35:38,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:35:38,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:35:38,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b629ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38, skipping insertion in model container [2024-11-14 04:35:38,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:35:38,320 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_3a8cd910-abff-4c11-9523-aa04e4127a89/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i[913,926] [2024-11-14 04:35:38,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:35:38,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:35:38,422 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_3a8cd910-abff-4c11-9523-aa04e4127a89/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i[913,926] [2024-11-14 04:35:38,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:35:38,476 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:35:38,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38 WrapperNode [2024-11-14 04:35:38,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:35:38,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:35:38,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:35:38,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:35:38,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,534 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2024-11-14 04:35:38,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:35:38,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:35:38,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:35:38,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:35:38,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:35:38,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:35:38,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:35:38,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:35:38,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (1/1) ... [2024-11-14 04:35:38,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:35:38,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:35:38,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:35:38,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:35:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:35:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:35:38,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:35:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:35:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:35:38,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:35:38,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:35:38,798 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:35:39,334 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 04:35:39,334 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:35:39,607 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:35:39,607 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:35:39,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:35:39 BoogieIcfgContainer [2024-11-14 04:35:39,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:35:39,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:35:39,612 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:35:39,617 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:35:39,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:35:38" (1/3) ... [2024-11-14 04:35:39,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccd075d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:35:39, skipping insertion in model container [2024-11-14 04:35:39,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:38" (2/3) ... [2024-11-14 04:35:39,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccd075d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:35:39, skipping insertion in model container [2024-11-14 04:35:39,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:35:39" (3/3) ... [2024-11-14 04:35:39,623 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-13.i [2024-11-14 04:35:39,644 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:35:39,648 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-13.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:35:39,737 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:35:39,751 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;@76807d05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:35:39,753 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:35:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:35:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 04:35:39,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:35:39,771 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:35:39,773 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:35:39,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:35:39,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1540498971, now seen corresponding path program 1 times [2024-11-14 04:35:39,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:35:39,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942904111] [2024-11-14 04:35:39,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:39,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:35:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:35:40,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437038115] [2024-11-14 04:35:40,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:40,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:35:40,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:35:40,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:35:40,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:35:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:35:40,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:35:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:35:41,184 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:35:41,188 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:35:41,190 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:35:41,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:35:41,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:35:41,400 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:35:41,526 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:35:41,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:35:41 BoogieIcfgContainer [2024-11-14 04:35:41,531 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:35:41,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:35:41,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:35:41,532 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:35:41,537 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:35:39" (3/4) ... [2024-11-14 04:35:41,540 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:35:41,541 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:35:41,542 INFO L158 Benchmark]: Toolchain (without parser) took 3452.44ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 84.9MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-14 04:35:41,544 INFO L158 Benchmark]: CDTParser took 1.67ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:35:41,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.81ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 78.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:35:41,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.50ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:35:41,547 INFO L158 Benchmark]: Boogie Preprocessor took 56.77ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:35:41,548 INFO L158 Benchmark]: RCFGBuilder took 1015.51ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 87.9MB in the end (delta: -14.4MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-14 04:35:41,548 INFO L158 Benchmark]: TraceAbstraction took 1919.28ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 84.9MB in the end (delta: 2.5MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2024-11-14 04:35:41,549 INFO L158 Benchmark]: Witness Printer took 9.51ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:35:41,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.81ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 78.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.50ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.77ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1015.51ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 87.9MB in the end (delta: -14.4MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1919.28ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 84.9MB in the end (delta: 2.5MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Witness Printer took 9.51ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 49, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 118. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed char var_1_4 = 16; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 128; [L29] unsigned char var_1_11 = 64; [L30] signed char var_1_12 = -10; [L31] signed char var_1_13 = -10; [L32] signed char var_1_14 = -25; [L33] double var_1_15 = 64.875; [L34] double var_1_17 = 1.625; [L35] double var_1_18 = 32.2; [L36] double var_1_19 = 8.6; [L37] double var_1_20 = 10.5; [L38] signed short int var_1_21 = -64; [L39] unsigned char var_1_22 = 25; [L40] unsigned char var_1_23 = 0; [L41] unsigned long int var_1_24 = 5; [L42] signed short int last_1_var_1_21 = -64; [L43] unsigned char last_1_var_1_22 = 25; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L123] last_1_var_1_21 = var_1_21 [L124] last_1_var_1_22 = var_1_22 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L89] var_1_4 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_4 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_4 <= 32) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L92] var_1_5 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L95] var_1_6 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L98] var_1_9 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1] [L100] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L101] var_1_10 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L104] var_1_11 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L107] var_1_13 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L110] var_1_14 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L113] var_1_17 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L115] var_1_18 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L117] var_1_19 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L119] var_1_20 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=-10, var_1_13=-31, var_1_14=63, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L135] RET updateVariables() [L136] CALL step() [L47] signed long int stepLocal_1 = ~ last_1_var_1_21; [L48] unsigned char stepLocal_0 = var_1_5; [L49] EXPR last_1_var_1_22 >> var_1_4 [L49] COND TRUE stepLocal_1 != (last_1_var_1_22 >> var_1_4) [L50] COND TRUE stepLocal_0 || var_1_6 [L51] var_1_1 = var_1_4 [L58] COND FALSE !(\read(var_1_9)) [L61] unsigned short int stepLocal_3 = var_1_1; [L62] COND FALSE !(var_1_4 > stepLocal_3) [L65] var_1_15 = var_1_17 [L67] COND TRUE ((- var_1_11) < 8) || var_1_9 [L68] var_1_22 = (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) [L70] var_1_23 = (var_1_11 + var_1_4) [L71] COND FALSE !(var_1_18 <= var_1_20) [L74] COND TRUE 9.99999999999998E13 < var_1_20 [L75] var_1_24 = var_1_1 [L78] COND FALSE !(var_1_6 || var_1_9) [L83] signed short int stepLocal_2 = var_1_21; [L84] COND TRUE var_1_10 > stepLocal_2 [L85] var_1_12 = ((var_1_4 + var_1_13) + var_1_14) [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR last_1_var_1_22 >> var_1_4 [L127-L128] return (((((((((~ last_1_var_1_21) != (last_1_var_1_22 >> var_1_4)) ? ((var_1_5 || var_1_6) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) last_1_var_1_22))) : (var_1_1 == ((unsigned short int) 100))) && (var_1_9 ? (var_1_8 == ((unsigned char) (var_1_10 - (var_1_11 - var_1_4)))) : 1)) && ((var_1_10 > var_1_21) ? (var_1_12 == ((signed char) ((var_1_4 + var_1_13) + var_1_14))) : 1)) && ((var_1_4 > var_1_1) ? (var_1_15 == ((double) ((var_1_17 - var_1_18) + (((((var_1_19) > (499.25)) ? (var_1_19) : (499.25))) + var_1_20)))) : (var_1_15 == ((double) var_1_17)))) && ((var_1_6 || var_1_9) ? (((var_1_24 % var_1_10) > var_1_22) ? (var_1_21 == ((signed short int) (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) + var_1_14))) : 1) : 1)) && ((((- var_1_11) < 8) || var_1_9) ? (var_1_22 == ((unsigned char) (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) : 1)) && (var_1_23 == ((unsigned char) (var_1_11 + var_1_4)))) && ((var_1_18 <= var_1_20) ? (var_1_24 == ((unsigned long int) ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))))) : ((9.99999999999998E13 < var_1_20) ? (var_1_24 == ((unsigned long int) var_1_1)) : 1)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=32, var_1_13=-31, var_1_14=63, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=0, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=-385, var_1_11=-193, var_1_12=32, var_1_13=-31, var_1_14=63, var_1_15=2, var_1_17=2, var_1_1=0, var_1_21=-64, var_1_22=63, var_1_23=63, var_1_24=0, var_1_4=0, var_1_5=1, var_1_6=-256, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:35:41,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/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_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/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_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/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_3a8cd910-abff-4c11-9523-aa04e4127a89/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 4f1bba3d9f281d4d8bc08bca7bbe0ca52659ab0a02494d574b1e97e91dfbc45f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:35:45,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:35:45,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:35:45,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:35:45,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:35:45,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:35:45,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:35:45,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:35:45,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:35:45,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:35:45,249 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:35:45,249 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:35:45,249 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:35:45,250 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:35:45,250 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:35:45,250 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:35:45,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:35:45,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:35:45,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:35:45,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:35:45,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:35:45,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:35:45,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:35:45,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:35:45,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:35:45,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:35:45,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:35:45,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:35:45,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:35:45,257 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:35:45,257 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:35:45,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:35:45,258 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:35:45,258 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_3a8cd910-abff-4c11-9523-aa04e4127a89/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 -> 4f1bba3d9f281d4d8bc08bca7bbe0ca52659ab0a02494d574b1e97e91dfbc45f [2024-11-14 04:35:45,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:35:45,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:35:45,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:35:45,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:35:45,690 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:35:45,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i Unable to find full path for "g++" [2024-11-14 04:35:48,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:35:48,526 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:35:48,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i [2024-11-14 04:35:48,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/data/33455a942/a2389c6564f8478fb3044876aee5d789/FLAGb36682cc6 [2024-11-14 04:35:48,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/data/33455a942/a2389c6564f8478fb3044876aee5d789 [2024-11-14 04:35:48,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:35:48,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:35:48,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:35:48,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:35:48,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:35:48,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:35:48" (1/1) ... [2024-11-14 04:35:48,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f1d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:48, skipping insertion in model container [2024-11-14 04:35:48,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:35:48" (1/1) ... [2024-11-14 04:35:48,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:35:49,018 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_3a8cd910-abff-4c11-9523-aa04e4127a89/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i[913,926] [2024-11-14 04:35:49,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:35:49,143 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:35:49,158 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_3a8cd910-abff-4c11-9523-aa04e4127a89/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-13.i[913,926] [2024-11-14 04:35:49,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:35:49,224 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:35:49,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49 WrapperNode [2024-11-14 04:35:49,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:35:49,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:35:49,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:35:49,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:35:49,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,310 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-14 04:35:49,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:35:49,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:35:49,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:35:49,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:35:49,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:35:49,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:35:49,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:35:49,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:35:49,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (1/1) ... [2024-11-14 04:35:49,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:35:49,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:35:49,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:35:49,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:35:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:35:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:35:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:35:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:35:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:35:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:35:49,602 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:35:49,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:35:54,275 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 04:35:54,275 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:35:54,289 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:35:54,289 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:35:54,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:35:54 BoogieIcfgContainer [2024-11-14 04:35:54,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:35:54,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:35:54,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:35:54,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:35:54,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:35:48" (1/3) ... [2024-11-14 04:35:54,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616f3299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:35:54, skipping insertion in model container [2024-11-14 04:35:54,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:35:49" (2/3) ... [2024-11-14 04:35:54,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616f3299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:35:54, skipping insertion in model container [2024-11-14 04:35:54,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:35:54" (3/3) ... [2024-11-14 04:35:54,306 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-13.i [2024-11-14 04:35:54,327 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:35:54,329 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-13.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:35:54,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:35:54,440 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;@3d507de8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:35:54,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:35:54,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:35:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 04:35:54,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:35:54,467 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:35:54,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:35:54,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:35:54,476 INFO L85 PathProgramCache]: Analyzing trace with hash -611164533, now seen corresponding path program 1 times [2024-11-14 04:35:54,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:35:54,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608927382] [2024-11-14 04:35:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:54,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:35:54,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:35:54,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:35:54,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:35:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:35:55,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:35:55,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:35:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-14 04:35:55,205 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:35:55,205 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:35:55,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608927382] [2024-11-14 04:35:55,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608927382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:35:55,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:35:55,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:35:55,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598437070] [2024-11-14 04:35:55,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:35:55,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:35:55,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:35:55,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:35:55,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:35:55,253 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 04:35:55,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:35:55,286 INFO L93 Difference]: Finished difference Result 121 states and 206 transitions. [2024-11-14 04:35:55,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:35:55,289 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2024-11-14 04:35:55,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:35:55,298 INFO L225 Difference]: With dead ends: 121 [2024-11-14 04:35:55,299 INFO L226 Difference]: Without dead ends: 60 [2024-11-14 04:35:55,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:35:55,311 INFO L432 NwaCegarLoop]: 88 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, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:35:55,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:35:55,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-14 04:35:55,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-14 04:35:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:35:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 88 transitions. [2024-11-14 04:35:55,364 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 88 transitions. Word has length 131 [2024-11-14 04:35:55,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:35:55,364 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 88 transitions. [2024-11-14 04:35:55,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 04:35:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2024-11-14 04:35:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 04:35:55,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:35:55,370 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:35:55,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:35:55,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:35:55,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:35:55,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:35:55,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1550198915, now seen corresponding path program 1 times [2024-11-14 04:35:55,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:35:55,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135460615] [2024-11-14 04:35:55,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:55,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:35:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:35:55,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:35:55,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:35:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:35:56,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:35:56,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:35:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 04:35:58,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:35:58,830 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:35:58,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135460615] [2024-11-14 04:35:58,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135460615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:35:58,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:35:58,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:35:58,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437977220] [2024-11-14 04:35:58,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:35:58,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:35:58,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:35:58,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:35:58,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:35:58,837 INFO L87 Difference]: Start difference. First operand 60 states and 88 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:36:01,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:36:04,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:36:04,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:36:04,911 INFO L93 Difference]: Finished difference Result 175 states and 259 transitions. [2024-11-14 04:36:04,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:36:04,931 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-11-14 04:36:04,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:36:04,936 INFO L225 Difference]: With dead ends: 175 [2024-11-14 04:36:04,936 INFO L226 Difference]: Without dead ends: 118 [2024-11-14 04:36:04,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:36:04,938 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 55 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 41 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:36:04,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 282 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 62 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2024-11-14 04:36:04,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-14 04:36:04,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 99. [2024-11-14 04:36:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 56 states have internal predecessors, (66), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 04:36:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2024-11-14 04:36:04,978 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 131 [2024-11-14 04:36:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:36:04,979 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2024-11-14 04:36:04,980 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:36:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2024-11-14 04:36:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-14 04:36:04,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:36:04,982 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:36:04,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:36:05,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:36:05,183 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:36:05,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:36:05,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2001271262, now seen corresponding path program 1 times [2024-11-14 04:36:05,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:36:05,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572050790] [2024-11-14 04:36:05,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:36:05,185 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:36:05,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:36:05,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:36:05,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 04:36:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:36:05,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 04:36:05,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:36:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 40 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 04:36:07,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:36:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-14 04:36:08,371 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:36:08,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572050790] [2024-11-14 04:36:08,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572050790] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 04:36:08,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:36:08,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-14 04:36:08,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783577286] [2024-11-14 04:36:08,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:36:08,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:36:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:36:08,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:36:08,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-14 04:36:08,377 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:36:10,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:36:12,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:36:15,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:36:16,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:36:16,325 INFO L93 Difference]: Finished difference Result 175 states and 257 transitions. [2024-11-14 04:36:16,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:36:16,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2024-11-14 04:36:16,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:36:16,328 INFO L225 Difference]: With dead ends: 175 [2024-11-14 04:36:16,328 INFO L226 Difference]: Without dead ends: 118 [2024-11-14 04:36:16,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:36:16,332 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 25 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:36:16,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 220 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2024-11-14 04:36:16,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-14 04:36:16,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2024-11-14 04:36:16,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 59 states have internal predecessors, (70), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 04:36:16,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 150 transitions. [2024-11-14 04:36:16,362 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 150 transitions. Word has length 132 [2024-11-14 04:36:16,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:36:16,362 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 150 transitions. [2024-11-14 04:36:16,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:36:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2024-11-14 04:36:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-14 04:36:16,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:36:16,366 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:36:16,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 04:36:16,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:36:16,567 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:36:16,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:36:16,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1300206684, now seen corresponding path program 1 times [2024-11-14 04:36:16,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:36:16,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116246815] [2024-11-14 04:36:16,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:36:16,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:36:16,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:36:16,573 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:36:16,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8cd910-abff-4c11-9523-aa04e4127a89/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 04:36:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:36:16,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-14 04:36:17,001 INFO L278 TraceCheckSpWp]: Computing forward predicates...