./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.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_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/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_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/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_48f1d8f3-9b26-4f47-aed5-f8762f607089/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 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:18:33,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:18:33,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:18:33,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:18:33,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:18:33,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:18:33,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:18:33,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:18:33,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:18:33,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:18:33,884 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:18:33,884 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:18:33,885 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:18:33,885 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:18:33,886 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:18:33,886 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:18:33,886 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:18:33,886 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:18:33,886 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:18:33,886 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:18:33,886 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:18:33,886 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:18:33,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:18:33,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:18:33,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:18:33,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:18:33,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:18:33,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:18:33,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:18:33,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:18:33,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:18:33,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:18:33,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:18:33,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:18:33,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:18:33,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:18:33,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:18:33,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:18:33,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:18:33,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:18:33,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:18:33,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:18:33,889 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:18:33,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:18:33,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:18:33,889 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:18:33,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:18:33,889 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_48f1d8f3-9b26-4f47-aed5-f8762f607089/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 -> 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 [2024-11-14 03:18:34,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:18:34,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:18:34,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:18:34,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:18:34,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:18:34,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i Unable to find full path for "g++" [2024-11-14 03:18:36,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:18:36,799 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:18:36,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-14 03:18:36,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/data/235d3c408/2b12226b61a14240aa1f78bcd9340c44/FLAG4c57acb0a [2024-11-14 03:18:37,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/data/235d3c408/2b12226b61a14240aa1f78bcd9340c44 [2024-11-14 03:18:37,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:18:37,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:18:37,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:18:37,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:18:37,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:18:37,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a203221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37, skipping insertion in model container [2024-11-14 03:18:37,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:18:37,254 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_48f1d8f3-9b26-4f47-aed5-f8762f607089/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i[913,926] [2024-11-14 03:18:37,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:18:37,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:18:37,366 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_48f1d8f3-9b26-4f47-aed5-f8762f607089/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i[913,926] [2024-11-14 03:18:37,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:18:37,424 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:18:37,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37 WrapperNode [2024-11-14 03:18:37,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:18:37,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:18:37,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:18:37,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:18:37,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,526 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-14 03:18:37,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:18:37,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:18:37,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:18:37,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:18:37,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:18:37,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:18:37,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:18:37,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:18:37,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (1/1) ... [2024-11-14 03:18:37,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:18:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:18:37,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:18:37,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:18:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:18:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:18:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:18:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:18:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:18:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:18:37,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:18:37,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:18:38,534 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-14 03:18:38,534 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:18:38,896 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:18:38,896 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:18:38,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:18:38 BoogieIcfgContainer [2024-11-14 03:18:38,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:18:38,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:18:38,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:18:38,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:18:38,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:18:37" (1/3) ... [2024-11-14 03:18:38,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143328ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:18:38, skipping insertion in model container [2024-11-14 03:18:38,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:18:37" (2/3) ... [2024-11-14 03:18:38,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143328ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:18:38, skipping insertion in model container [2024-11-14 03:18:38,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:18:38" (3/3) ... [2024-11-14 03:18:38,911 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-14 03:18:38,932 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:18:38,934 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-81.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:18:39,022 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:18:39,044 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;@761ecf5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:18:39,046 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:18:39,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 03:18:39,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-14 03:18:39,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:18:39,065 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:39,065 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:18:39,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:18:39,072 INFO L85 PathProgramCache]: Analyzing trace with hash 943294642, now seen corresponding path program 1 times [2024-11-14 03:18:39,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:18:39,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251295124] [2024-11-14 03:18:39,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:18:39,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:18:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:18:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 14 proven. 74 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-14 03:18:47,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:18:47,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251295124] [2024-11-14 03:18:47,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251295124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:18:47,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513134595] [2024-11-14 03:18:47,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:18:47,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:18:47,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:18:47,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:18:47,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:18:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:18:48,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-14 03:18:48,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:24:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 327 proven. 92 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-14 03:24:39,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:25:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-11-14 03:25:36,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513134595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:25:36,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1819916025] [2024-11-14 03:25:36,234 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2024-11-14 03:25:36,234 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:25:36,238 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:25:36,244 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:25:36,245 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:29:02,697 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 62 for LOIs [2024-11-14 03:29:02,708 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:29:18,062 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '638#(and (<= 0 ~var_1_22~0) (<= 1 |#StackHeapBarrier|) (<= ~var_1_18~0 126) (<= 0 ~var_1_21~0) (<= ~var_1_22~0 63) (<= ~var_1_20~0 126) (= 32 ~last_1_var_1_17~0) (<= 0 (+ ~var_1_18~0 1)) (= 31 ~var_1_16~0) (= 10 ~last_1_var_1_7~0) (<= ~var_1_21~0 63) (= ~isInitial~0 1) (= 5 ~last_1_var_1_1~0) (<= 0 (+ ~var_1_20~0 1)) (<= 0 ~var_1_19~0) (<= ~var_1_19~0 126) (= ~last_1_var_1_11~0 4))' at error location [2024-11-14 03:29:18,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:29:18,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:29:18,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 6] total 21 [2024-11-14 03:29:18,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098633931] [2024-11-14 03:29:18,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:29:18,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-14 03:29:18,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:29:18,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-14 03:29:18,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=896, Invalid=2764, Unknown=0, NotChecked=0, Total=3660 [2024-11-14 03:29:18,102 INFO L87 Difference]: Start difference. First operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 21 states, 15 states have (on average 3.8) internal successors, (57), 21 states have internal predecessors, (57), 11 states have call successors, (77), 5 states have call predecessors, (77), 10 states have return successors, (78), 10 states have call predecessors, (78), 11 states have call successors, (78) [2024-11-14 03:29:21,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:21,169 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2024-11-14 03:29:21,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 03:29:21,172 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 15 states have (on average 3.8) internal successors, (57), 21 states have internal predecessors, (57), 11 states have call successors, (77), 5 states have call predecessors, (77), 10 states have return successors, (78), 10 states have call predecessors, (78), 11 states have call successors, (78) Word has length 95 [2024-11-14 03:29:21,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:21,176 INFO L225 Difference]: With dead ends: 161 [2024-11-14 03:29:21,176 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 03:29:21,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2184 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=1450, Invalid=4870, Unknown=0, NotChecked=0, Total=6320 [2024-11-14 03:29:21,188 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 74 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:21,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 276 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 03:29:21,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 03:29:21,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 03:29:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:29:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 03:29:21,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2024-11-14 03:29:21,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:21,224 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 03:29:21,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 15 states have (on average 3.8) internal successors, (57), 21 states have internal predecessors, (57), 11 states have call successors, (77), 5 states have call predecessors, (77), 10 states have return successors, (78), 10 states have call predecessors, (78), 11 states have call successors, (78) [2024-11-14 03:29:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 03:29:21,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 03:29:21,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:29:21,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:29:21,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:29:21,433 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:29:21,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 03:29:23,708 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:29:23,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:29:23 BoogieIcfgContainer [2024-11-14 03:29:23,739 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:29:23,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:29:23,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:29:23,740 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:29:23,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:18:38" (3/4) ... [2024-11-14 03:29:23,744 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:29:23,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 03:29:23,760 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-14 03:29:23,761 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-14 03:29:23,761 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 03:29:23,762 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 03:29:23,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:29:23,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:29:23,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:29:23,917 INFO L158 Benchmark]: Toolchain (without parser) took 646856.96ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 92.1MB in the beginning and 678.4MB in the end (delta: -586.3MB). Peak memory consumption was 654.7MB. Max. memory is 16.1GB. [2024-11-14 03:29:23,917 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:23,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.08ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 77.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:29:23,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.64ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 73.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:23,919 INFO L158 Benchmark]: Boogie Preprocessor took 61.05ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:23,920 INFO L158 Benchmark]: RCFGBuilder took 1307.93ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 99.9kB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-14 03:29:23,921 INFO L158 Benchmark]: TraceAbstraction took 644838.55ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 70.9MB in the beginning and 686.5MB in the end (delta: -615.6MB). Peak memory consumption was 624.3MB. Max. memory is 16.1GB. [2024-11-14 03:29:23,921 INFO L158 Benchmark]: Witness Printer took 174.64ms. Allocated memory is still 1.4GB. Free memory was 686.5MB in the beginning and 678.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:29:23,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.08ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 77.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.64ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 73.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.05ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1307.93ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 99.9kB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * TraceAbstraction took 644838.55ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 70.9MB in the beginning and 686.5MB in the end (delta: -615.6MB). Peak memory consumption was 624.3MB. Max. memory is 16.1GB. * Witness Printer took 174.64ms. Allocated memory is still 1.4GB. Free memory was 686.5MB in the beginning and 678.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 642.4s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 237 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 575 IncrementalHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 39 mSDtfsCounter, 575 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2184 ImplicationChecksByTransitivity, 17.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 415.6s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 5728 SizeOfPredicates, 44 NumberOfNonLiveVariables, 274 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1767/1950 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((((var_1_6 <= 127) && (32767 <= var_1_13)) && (127 <= var_1_5)) && (32767 <= var_1_12)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((126 < var_1_5) || (((var_1_5 < var_1_12) || ((var_1_12 == var_1_5) && (var_1_12 <= 0))) && ((var_1_6 == 0) || (var_1_6 < var_1_12)))) Ensures: (((cond != 0) && ((126 < var_1_5) || (((var_1_5 < var_1_12) || ((var_1_12 == var_1_5) && (var_1_12 <= 0))) && ((var_1_6 == 0) || (var_1_6 < var_1_12))))) && ((((((((((((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (var_1_19 == \old(var_1_19))) && (var_1_20 == \old(var_1_20))) && (var_1_21 == \old(var_1_21))) && (var_1_22 == \old(var_1_22))) && (var_1_23 == \old(var_1_23))) && (var_1_24 == \old(var_1_24))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_11 == \old(last_1_var_1_11))) && (last_1_var_1_17 == \old(last_1_var_1_17)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 03:29:24,147 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-14 03:29:24,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f1d8f3-9b26-4f47-aed5-f8762f607089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE