./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.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_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/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_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/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_dbf7ee3e-8a2c-4b48-a663-903324f0b468/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 eb38a6277789313b4c0c250f5b5f1ba7c2b250b2041c8bed6de57b5504d1e25c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:23:07,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:23:07,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:23:07,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:23:07,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:23:07,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:23:07,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:23:07,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:23:07,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:23:07,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:23:07,444 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:23:07,445 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:23:07,445 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:23:07,445 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:23:07,445 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:23:07,447 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:23:07,447 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:23:07,447 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:23:07,447 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:23:07,447 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:23:07,448 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:23:07,448 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:23:07,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:23:07,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:23:07,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:23:07,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:23:07,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:23:07,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:23:07,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:23:07,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:07,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:23:07,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:23:07,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:23:07,450 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:23:07,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:23:07,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:23:07,450 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:23:07,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:23:07,450 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_dbf7ee3e-8a2c-4b48-a663-903324f0b468/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 -> eb38a6277789313b4c0c250f5b5f1ba7c2b250b2041c8bed6de57b5504d1e25c [2024-11-14 03:23:07,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:23:07,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:23:07,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:23:07,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:23:07,838 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:23:07,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i Unable to find full path for "g++" [2024-11-14 03:23:10,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:23:10,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:23:10,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i [2024-11-14 03:23:10,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/data/9b5179556/affc11b37cfc4ebfb59f42bc961c52c8/FLAG3889ab1a8 [2024-11-14 03:23:10,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/data/9b5179556/affc11b37cfc4ebfb59f42bc961c52c8 [2024-11-14 03:23:10,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:23:10,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:23:10,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:10,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:23:10,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:23:10,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449d933c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10, skipping insertion in model container [2024-11-14 03:23:10,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:23:10,666 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_dbf7ee3e-8a2c-4b48-a663-903324f0b468/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i[915,928] [2024-11-14 03:23:10,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:10,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:23:10,734 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_dbf7ee3e-8a2c-4b48-a663-903324f0b468/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i[915,928] [2024-11-14 03:23:10,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:23:10,771 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:23:10,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10 WrapperNode [2024-11-14 03:23:10,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:23:10,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:10,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:23:10,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:23:10,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,825 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-14 03:23:10,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:23:10,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:23:10,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:23:10,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:23:10,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:23:10,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:23:10,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:23:10,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:23:10,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (1/1) ... [2024-11-14 03:23:10,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:23:10,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:23:10,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:23:10,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:23:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:23:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:23:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:23:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:23:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:23:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:23:11,040 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:23:11,042 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:23:11,574 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-14 03:23:11,575 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:23:11,853 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:23:11,854 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:23:11,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:11 BoogieIcfgContainer [2024-11-14 03:23:11,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:23:11,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:23:11,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:23:11,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:23:11,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:23:10" (1/3) ... [2024-11-14 03:23:11,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ca2683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:11, skipping insertion in model container [2024-11-14 03:23:11,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:23:10" (2/3) ... [2024-11-14 03:23:11,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ca2683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:23:11, skipping insertion in model container [2024-11-14 03:23:11,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:11" (3/3) ... [2024-11-14 03:23:11,867 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-69.i [2024-11-14 03:23:11,889 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:23:11,890 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-69.i that has 2 procedures, 34 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:23:11,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:23:11,988 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;@4db775a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:23:11,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:23:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 03:23:12,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-14 03:23:12,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:23:12,006 INFO L215 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:12,006 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:23:12,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:23:12,014 INFO L85 PathProgramCache]: Analyzing trace with hash 77885728, now seen corresponding path program 1 times [2024-11-14 03:23:12,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:23:12,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962772691] [2024-11-14 03:23:12,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:12,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:23:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:23:12,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378757066] [2024-11-14 03:23:12,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:23:12,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:23:12,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:23:12,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:23:12,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:23:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:23:12,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-14 03:23:12,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:23:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 184 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-14 03:23:17,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:23:25,241 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 03:23:45,659 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 03:24:15,285 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 03:24:21,303 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 03:25:12,288 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_~var_1_11~0 65536))) (or (= .cse0 0) (let ((.cse3 (forall ((|v_ULTIMATE.start_property_#t~bitwise14#1_48| Int)) (or (< (mod (* |v_ULTIMATE.start_property_#t~bitwise14#1_48| c_~var_1_11~0) 4294967296) 4294967286) (< |v_ULTIMATE.start_property_#t~bitwise14#1_48| c_~var_1_10~0) (< 0 (+ |v_ULTIMATE.start_property_#t~bitwise14#1_48| 1))))) (.cse1 (forall ((|v_ULTIMATE.start_property_#t~bitwise14#1_48| Int)) (or (< |v_ULTIMATE.start_property_#t~bitwise14#1_48| c_~var_1_10~0) (< 4294967285 (mod (* |v_ULTIMATE.start_property_#t~bitwise14#1_48| c_~var_1_11~0) 4294967296)) (< 0 (+ |v_ULTIMATE.start_property_#t~bitwise14#1_48| 1))))) (.cse2 (= (mod c_~var_1_13~0 256) (mod c_~var_1_14~0 256))) (.cse5 (+ .cse0 c_~var_1_10~0)) (.cse4 (< 0 (+ c_~var_1_10~0 1)))) (and (or (and (or (forall ((|v_ULTIMATE.start_step_#t~bitwise4#1_46| Int)) (or (< 0 (+ |v_ULTIMATE.start_step_#t~bitwise4#1_46| 1)) (< |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_10~0) (< (mod (* |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_11~0) 4294967296) 4294967286))) .cse1 .cse2) (or .cse2 .cse3 (forall ((|v_ULTIMATE.start_step_#t~bitwise4#1_46| Int)) (or (< 0 (+ |v_ULTIMATE.start_step_#t~bitwise4#1_46| 1)) (< |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_10~0) (< 4294967285 (mod (* |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_11~0) 4294967296)))))) .cse4) (or (and (or (forall ((|v_ULTIMATE.start_property_#t~bitwise14#1_48| Int)) (or (< |v_ULTIMATE.start_property_#t~bitwise14#1_48| c_~var_1_10~0) (< 4294967285 (mod (* |v_ULTIMATE.start_property_#t~bitwise14#1_48| c_~var_1_11~0) 4294967296)) (< .cse5 |v_ULTIMATE.start_property_#t~bitwise14#1_48|) (< |v_ULTIMATE.start_property_#t~bitwise14#1_48| .cse0) (< 2147483647 |v_ULTIMATE.start_property_#t~bitwise14#1_48|))) .cse2 (forall ((|v_ULTIMATE.start_step_#t~bitwise4#1_46| Int)) (or (< 2147483647 |v_ULTIMATE.start_step_#t~bitwise4#1_46|) (< |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_10~0) (< (mod (* |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_11~0) 4294967296) 4294967286) (< .cse5 |v_ULTIMATE.start_step_#t~bitwise4#1_46|) (< |v_ULTIMATE.start_step_#t~bitwise4#1_46| .cse0)))) (or (forall ((|v_ULTIMATE.start_property_#t~bitwise14#1_48| Int)) (or (< (mod (* |v_ULTIMATE.start_property_#t~bitwise14#1_48| c_~var_1_11~0) 4294967296) 4294967286) (< |v_ULTIMATE.start_property_#t~bitwise14#1_48| c_~var_1_10~0) (< .cse5 |v_ULTIMATE.start_property_#t~bitwise14#1_48|) (< |v_ULTIMATE.start_property_#t~bitwise14#1_48| .cse0) (< 2147483647 |v_ULTIMATE.start_property_#t~bitwise14#1_48|))) .cse2 (forall ((|v_ULTIMATE.start_step_#t~bitwise4#1_46| Int)) (or (< 2147483647 |v_ULTIMATE.start_step_#t~bitwise4#1_46|) (< |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_10~0) (< .cse5 |v_ULTIMATE.start_step_#t~bitwise4#1_46|) (< |v_ULTIMATE.start_step_#t~bitwise4#1_46| .cse0) (< 4294967285 (mod (* |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_11~0) 4294967296)))))) (< c_~var_1_10~0 0)) (or (and (or (forall ((|v_ULTIMATE.start_step_#t~bitwise4#1_46| Int)) (or (< 0 (+ |v_ULTIMATE.start_step_#t~bitwise4#1_46| 1)) (< |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_10~0) (< .cse5 |v_ULTIMATE.start_step_#t~bitwise4#1_46|) (< 4294967285 (mod (* |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_11~0) 4294967296)))) .cse2 .cse3) (or .cse1 .cse2 (forall ((|v_ULTIMATE.start_step_#t~bitwise4#1_46| Int)) (or (< 0 (+ |v_ULTIMATE.start_step_#t~bitwise4#1_46| 1)) (< |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_10~0) (< (mod (* |v_ULTIMATE.start_step_#t~bitwise4#1_46| c_~var_1_11~0) 4294967296) 4294967286) (< .cse5 |v_ULTIMATE.start_step_#t~bitwise4#1_46|))))) .cse4))) (= .cse0 c_~var_1_10~0) (= c_~var_1_10~0 0))) is different from true [2024-11-14 03:25:33,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:25:33,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962772691] [2024-11-14 03:25:33,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 03:25:33,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378757066] [2024-11-14 03:25:33,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378757066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:25:33,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [392958772] [2024-11-14 03:25:33,490 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2024-11-14 03:25:33,491 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:25:33,494 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:25:33,499 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:25:33,499 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:25:35,810 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 38 for LOIs [2024-11-14 03:25:35,816 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:25:38,848 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '250#(and (<= ~var_1_10~0 32766) (<= ~var_1_17~0 32766) (<= 0 (+ 32767 ~var_1_15~0)) (<= 1 |#StackHeapBarrier|) (<= ~var_1_16~0 32766) (= |ULTIMATE.start_main_~k_loop~0#1| 0) (<= 0 ~var_1_11~0) (<= 0 (+ 32767 ~var_1_16~0)) (<= ~var_1_15~0 32766) (= ~isInitial~0 1) (<= 0 (+ ~var_1_10~0 1)) (<= 0 ~var_1_17~0) (<= ~var_1_11~0 32766))' at error location [2024-11-14 03:25:38,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:25:38,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:25:38,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-14 03:25:38,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212647556] [2024-11-14 03:25:38,851 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-14 03:25:38,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-14 03:25:38,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:25:38,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-14 03:25:38,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=1175, Unknown=1, NotChecked=76, Total=1640 [2024-11-14 03:25:38,883 INFO L87 Difference]: Start difference. First operand has 34 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 17 states, 10 states have (on average 2.2) internal successors, (22), 14 states have internal predecessors, (22), 8 states have call successors, (16), 8 states have call predecessors, (16), 9 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-14 03:25:39,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:25:39,262 INFO L93 Difference]: Finished difference Result 80 states and 105 transitions. [2024-11-14 03:25:39,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 03:25:39,267 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 10 states have (on average 2.2) internal successors, (22), 14 states have internal predecessors, (22), 8 states have call successors, (16), 8 states have call predecessors, (16), 9 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) Word has length 61 [2024-11-14 03:25:39,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:25:39,273 INFO L225 Difference]: With dead ends: 80 [2024-11-14 03:25:39,274 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 03:25:39,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=415, Invalid=1310, Unknown=1, NotChecked=80, Total=1806 [2024-11-14 03:25:39,284 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 46 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:25:39,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 63 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:25:39,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 03:25:39,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 03:25:39,306 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 03:25:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 03:25:39,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2024-11-14 03:25:39,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:25:39,310 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 03:25:39,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 10 states have (on average 2.2) internal successors, (22), 14 states have internal predecessors, (22), 8 states have call successors, (16), 8 states have call predecessors, (16), 9 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-14 03:25:39,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 03:25:39,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 03:25:39,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:25:39,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:25:39,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:25:39,521 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:25:39,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 03:25:39,799 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:25:39,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:25:39 BoogieIcfgContainer [2024-11-14 03:25:39,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:25:39,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:25:39,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:25:39,819 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:25:39,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:23:11" (3/4) ... [2024-11-14 03:25:39,823 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:25:39,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 03:25:39,833 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-14 03:25:39,833 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 03:25:39,834 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 03:25:39,834 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 03:25:39,950 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:25:39,950 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:25:39,951 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:25:39,953 INFO L158 Benchmark]: Toolchain (without parser) took 149502.02ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 119.3MB in the beginning and 491.4MB in the end (delta: -372.1MB). Peak memory consumption was 183.6MB. Max. memory is 16.1GB. [2024-11-14 03:25:39,953 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:39,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.55ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 106.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:25:39,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.86ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 104.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:25:39,955 INFO L158 Benchmark]: Boogie Preprocessor took 34.10ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:39,955 INFO L158 Benchmark]: RCFGBuilder took 993.77ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 69.7MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 03:25:39,955 INFO L158 Benchmark]: TraceAbstraction took 147961.37ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 69.1MB in the beginning and 499.7MB in the end (delta: -430.5MB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. [2024-11-14 03:25:39,956 INFO L158 Benchmark]: Witness Printer took 131.74ms. Allocated memory is still 704.6MB. Free memory was 499.7MB in the beginning and 491.4MB in the end (delta: 8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:25:39,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.55ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 106.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.86ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 104.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.10ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 993.77ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 69.7MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 147961.37ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 69.1MB in the beginning and 499.7MB in the end (delta: -430.5MB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. * Witness Printer took 131.74ms. Allocated memory is still 704.6MB. Free memory was 499.7MB in the beginning and 491.4MB in the end (delta: 8.2MB). 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 - 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 147.6s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 25 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.4s SatisfiabilityAnalysisTime, 140.7s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 609 SizeOfPredicates, 10 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 224/240 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: 99]: Loop Invariant Derived loop invariant: ((((((var_1_10 <= 32766) && (var_1_13 <= 0)) && (0 <= var_1_11)) && (0 <= (var_1_10 + 1))) && (var_1_11 <= 32766)) && (var_1_14 == 1)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (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)))) RESULT: Ultimate proved your program to be correct! [2024-11-14 03:25:40,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf7ee3e-8a2c-4b48-a663-903324f0b468/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE