./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.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_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/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_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/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_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/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 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:47:04,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:47:04,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:47:04,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:47:04,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:47:04,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:47:04,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:47:04,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:47:04,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:47:04,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:47:04,840 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:47:04,840 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:47:04,840 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:47:04,841 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:47:04,843 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:47:04,843 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:47:04,843 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:47:04,843 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:47:04,843 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:47:04,843 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:47:04,844 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:47:04,844 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:47:04,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:47:04,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:47:04,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:47:04,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:47:04,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:47:04,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:47:04,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:47:04,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:47:04,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:47:04,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:47:04,847 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:47:04,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:47:04,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:47:04,847 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:47:04,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:47:04,847 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_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/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 -> 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 [2024-11-14 04:47:05,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:47:05,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:47:05,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:47:05,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:47:05,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:47:05,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i Unable to find full path for "g++" [2024-11-14 04:47:07,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:47:07,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:47:07,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2024-11-14 04:47:07,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/data/4356d86b5/77adca8d7b9b458b92db22272cfbf55b/FLAG726723662 [2024-11-14 04:47:07,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/data/4356d86b5/77adca8d7b9b458b92db22272cfbf55b [2024-11-14 04:47:07,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:47:07,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:47:07,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:07,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:47:07,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:47:07,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bb617c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07, skipping insertion in model container [2024-11-14 04:47:07,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:47:07,553 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_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i[915,928] [2024-11-14 04:47:07,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:07,619 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:47:07,629 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_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i[915,928] [2024-11-14 04:47:07,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:07,666 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:47:07,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07 WrapperNode [2024-11-14 04:47:07,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:07,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:07,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:47:07,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:47:07,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,713 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-14 04:47:07,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:07,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:47:07,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:47:07,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:47:07,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:47:07,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:47:07,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:47:07,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:47:07,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (1/1) ... [2024-11-14 04:47:07,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:47:07,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:47:07,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:47:07,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:47:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:47:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:47:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:47:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:47:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:47:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:47:07,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:47:07,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:47:08,154 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 04:47:08,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:47:08,276 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:47:08,276 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:47:08,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:08 BoogieIcfgContainer [2024-11-14 04:47:08,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:47:08,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:47:08,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:47:08,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:47:08,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:47:07" (1/3) ... [2024-11-14 04:47:08,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1b8fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:08, skipping insertion in model container [2024-11-14 04:47:08,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:07" (2/3) ... [2024-11-14 04:47:08,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1b8fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:08, skipping insertion in model container [2024-11-14 04:47:08,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:08" (3/3) ... [2024-11-14 04:47:08,287 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-63.i [2024-11-14 04:47:08,304 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:47:08,306 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-63.i that has 2 procedures, 40 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:47:08,378 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:47:08,394 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;@13f53eea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:47:08,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:47:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:47:08,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-14 04:47:08,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:08,410 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:47:08,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:47:08,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:08,418 INFO L85 PathProgramCache]: Analyzing trace with hash 106805257, now seen corresponding path program 1 times [2024-11-14 04:47:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:47:08,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546788553] [2024-11-14 04:47:08,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:08,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:47:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:47:08,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597466630] [2024-11-14 04:47:08,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:08,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:47:08,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:47:08,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:47:08,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:47:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:47:08,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:47:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:47:09,140 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:47:09,142 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:47:09,144 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:47:09,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:47:09,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:47:09,349 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:47:09,399 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:47:09,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:47:09 BoogieIcfgContainer [2024-11-14 04:47:09,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:47:09,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:47:09,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:47:09,403 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:47:09,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:08" (3/4) ... [2024-11-14 04:47:09,406 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:47:09,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:47:09,408 INFO L158 Benchmark]: Toolchain (without parser) took 2026.41ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 107.2MB in the end (delta: 11.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-14 04:47:09,409 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:09,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.56ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 106.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:47:09,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.37ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 103.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:47:09,410 INFO L158 Benchmark]: Boogie Preprocessor took 31.72ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:09,410 INFO L158 Benchmark]: RCFGBuilder took 530.95ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 79.0MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:47:09,411 INFO L158 Benchmark]: TraceAbstraction took 1123.27ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 107.2MB in the end (delta: -28.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-14 04:47:09,411 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 107.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:47:09,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.56ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 106.0MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.37ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 103.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.72ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 530.95ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 79.0MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1123.27ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 107.2MB in the end (delta: -28.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 107.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 8.3; [L24] float var_1_3 = 2.25; [L25] float var_1_4 = 10.3; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] signed long int var_1_7 = 128; [L29] float var_1_8 = 9.8; [L30] signed long int var_1_9 = -256; [L31] unsigned short int var_1_10 = 5; [L32] signed char var_1_11 = 8; [L33] signed long int var_1_12 = 2; [L34] unsigned short int var_1_13 = 32; [L35] unsigned short int var_1_14 = 1; [L36] unsigned short int last_1_var_1_10 = 5; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_10 = var_1_10 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L63] var_1_3 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L65] var_1_4 = __VERIFIER_nondet_float() [L66] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L67] var_1_5 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L69] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L70] var_1_6 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L72] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L73] var_1_8 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-256] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-256] [L75] var_1_9 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_9 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_9 >= -2147483647) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L78] var_1_11 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_11 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_11 >= -128) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L82] var_1_12 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L86] var_1_13 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=6, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=6, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L89] var_1_14 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=6, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=6, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=6, var_1_14=0, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=6, var_1_14=0, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=0] [L105] RET updateVariables() [L106] CALL step() [L40] COND TRUE var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8) [L41] var_1_7 = ((((-200) > (last_1_var_1_10)) ? (-200) : (last_1_var_1_10))) [L45] COND FALSE !(var_1_8 > var_1_4) [L56] COND TRUE ((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4) [L57] var_1_1 = (var_1_5 && var_1_6) [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return (((((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 && var_1_6))) : 1) && ((var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8)) ? (var_1_7 == ((signed long int) ((((-200) > (last_1_var_1_10)) ? (-200) : (last_1_var_1_10))))) : (var_1_7 == ((signed long int) last_1_var_1_10)))) && ((var_1_8 > var_1_4) ? ((! var_1_6) ? (((var_1_9 / ((((var_1_11) > (-64)) ? (var_1_11) : (-64)))) < (var_1_7 / var_1_12)) ? (var_1_10 == ((unsigned short int) var_1_13)) : (var_1_10 == ((unsigned short int) var_1_13))) : (var_1_10 == ((unsigned short int) var_1_14))) : 1) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=6, var_1_14=0, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=-1, var_1_12=6, var_1_13=6, var_1_14=0, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:47:09,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/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_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/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 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:47:12,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:47:12,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:47:12,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:47:12,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:47:12,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:47:12,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:47:12,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:47:12,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:47:12,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:47:12,334 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:47:12,334 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:47:12,334 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:47:12,335 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:47:12,335 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:47:12,335 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:47:12,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:47:12,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:47:12,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:47:12,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:47:12,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:47:12,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:47:12,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:47:12,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:47:12,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:47:12,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:47:12,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:47:12,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:47:12,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:47:12,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:47:12,339 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:47:12,339 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:47:12,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:47:12,339 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:47:12,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/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 -> 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 [2024-11-14 04:47:12,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:47:12,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:47:12,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:47:12,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:47:12,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:47:12,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i Unable to find full path for "g++" [2024-11-14 04:47:14,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:47:14,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:47:14,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2024-11-14 04:47:14,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/data/8722af510/7ef12b6c28a745d698e773f8568a1987/FLAGbe31284cb [2024-11-14 04:47:14,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/data/8722af510/7ef12b6c28a745d698e773f8568a1987 [2024-11-14 04:47:14,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:47:14,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:47:14,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:14,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:47:14,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:47:14,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:14" (1/1) ... [2024-11-14 04:47:14,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae1fc18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:14, skipping insertion in model container [2024-11-14 04:47:14,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:47:14" (1/1) ... [2024-11-14 04:47:14,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:47:15,050 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_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i[915,928] [2024-11-14 04:47:15,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:15,147 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:47:15,162 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_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i[915,928] [2024-11-14 04:47:15,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:47:15,223 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:47:15,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15 WrapperNode [2024-11-14 04:47:15,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:47:15,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:15,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:47:15,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:47:15,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,294 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-14 04:47:15,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:47:15,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:47:15,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:47:15,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:47:15,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:47:15,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:47:15,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:47:15,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:47:15,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (1/1) ... [2024-11-14 04:47:15,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:47:15,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:47:15,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:47:15,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:47:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:47:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:47:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:47:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:47:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:47:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:47:15,493 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:47:15,495 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:47:18,063 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 04:47:18,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:47:18,077 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:47:18,077 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:47:18,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:18 BoogieIcfgContainer [2024-11-14 04:47:18,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:47:18,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:47:18,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:47:18,090 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:47:18,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:47:14" (1/3) ... [2024-11-14 04:47:18,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177431c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:18, skipping insertion in model container [2024-11-14 04:47:18,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:47:15" (2/3) ... [2024-11-14 04:47:18,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177431c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:47:18, skipping insertion in model container [2024-11-14 04:47:18,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:47:18" (3/3) ... [2024-11-14 04:47:18,094 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-63.i [2024-11-14 04:47:18,111 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:47:18,113 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-63.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:47:18,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:47:18,198 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;@5aa545d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:47:18,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:47:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:47:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-14 04:47:18,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:18,216 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:47:18,216 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:47:18,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:18,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1746123718, now seen corresponding path program 1 times [2024-11-14 04:47:18,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:47:18,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831376787] [2024-11-14 04:47:18,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:18,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:47:18,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:47:18,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:47:18,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:47:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:47:18,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:47:18,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:47:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-14 04:47:18,764 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:47:18,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:47:18,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831376787] [2024-11-14 04:47:18,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1831376787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:47:18,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:47:18,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:47:18,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992237319] [2024-11-14 04:47:18,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:47:18,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:47:18,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:47:18,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:47:18,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:47:18,802 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:47:18,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:47:18,835 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions. [2024-11-14 04:47:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:47:18,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 123 [2024-11-14 04:47:18,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:47:18,845 INFO L225 Difference]: With dead ends: 103 [2024-11-14 04:47:18,845 INFO L226 Difference]: Without dead ends: 51 [2024-11-14 04:47:18,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:47:18,851 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:47:18,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:47:18,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-14 04:47:18,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-14 04:47:18,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:47:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-14 04:47:18,901 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 123 [2024-11-14 04:47:18,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:47:18,901 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-14 04:47:18,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-14 04:47:18,902 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-14 04:47:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-14 04:47:18,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:47:18,905 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:47:18,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:47:19,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:47:19,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:47:19,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:47:19,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1748925694, now seen corresponding path program 1 times [2024-11-14 04:47:19,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:47:19,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446688513] [2024-11-14 04:47:19,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:47:19,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:47:19,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:47:19,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:47:19,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba09fc-789c-42e0-a3e3-6cd8cba1fbdf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:47:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:47:19,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 04:47:19,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:47:33,594 WARN L286 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:47:55,997 WARN L286 SmtUtils]: Spent 12.18s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:48:27,569 WARN L286 SmtUtils]: Spent 11.53s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)