./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje --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 e08fff422fa05e55de9465eb7ce68add40168437de7b6f905b417b90cbb987a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:03:46,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:03:46,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:03:46,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:03:46,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:03:46,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:03:46,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:03:46,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:03:46,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:03:46,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:03:46,345 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:03:46,345 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:03:46,347 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:03:46,348 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:03:46,351 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:03:46,351 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:03:46,352 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:03:46,352 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:03:46,353 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:03:46,353 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:03:46,354 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:03:46,359 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:03:46,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:03:46,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:03:46,360 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:03:46,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:03:46,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:03:46,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:03:46,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:03:46,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:03:46,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:03:46,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:03:46,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:03:46,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:03:46,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:03:46,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:03:46,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:03:46,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:03:46,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:46,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:03:46,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:03:46,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:03:46,371 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:03:46,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:03:46,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:03:46,372 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:03:46,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:03:46,373 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08fff422fa05e55de9465eb7ce68add40168437de7b6f905b417b90cbb987a0 [2024-11-09 07:03:46,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:03:46,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:03:46,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:03:46,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:03:46,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:03:46,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i Unable to find full path for "g++" [2024-11-09 07:03:49,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:03:49,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:03:49,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i [2024-11-09 07:03:49,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/data/fe49b0960/3627599e035541128092ff6a7c037ab8/FLAG59b347691 [2024-11-09 07:03:49,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/data/fe49b0960/3627599e035541128092ff6a7c037ab8 [2024-11-09 07:03:49,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:03:49,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:03:49,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:49,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:03:49,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:03:49,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:49" (1/1) ... [2024-11-09 07:03:49,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea6a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:49, skipping insertion in model container [2024-11-09 07:03:49,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:49" (1/1) ... [2024-11-09 07:03:49,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:03:50,054 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_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i[913,926] [2024-11-09 07:03:50,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:50,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:03:50,173 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_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i[913,926] [2024-11-09 07:03:50,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:50,261 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:03:50,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50 WrapperNode [2024-11-09 07:03:50,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:50,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:50,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:03:50,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:03:50,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,345 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-09 07:03:50,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:50,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:03:50,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:03:50,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:03:50,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:03:50,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:03:50,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:03:50,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:03:50,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (1/1) ... [2024-11-09 07:03:50,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:50,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:50,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:03:50,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:03:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:03:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:03:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:03:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:03:50,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:03:50,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:03:50,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:03:50,657 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:03:51,259 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 07:03:51,259 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:03:51,653 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:03:51,653 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:03:51,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:51 BoogieIcfgContainer [2024-11-09 07:03:51,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:03:51,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:03:51,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:03:51,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:03:51,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:03:49" (1/3) ... [2024-11-09 07:03:51,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fed575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:51, skipping insertion in model container [2024-11-09 07:03:51,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:50" (2/3) ... [2024-11-09 07:03:51,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fed575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:03:51, skipping insertion in model container [2024-11-09 07:03:51,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:51" (3/3) ... [2024-11-09 07:03:51,672 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-20.i [2024-11-09 07:03:51,698 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:03:51,700 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:03:51,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:03:51,823 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;@3aa587f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:03:51,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:03:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 07:03:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 07:03:51,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:03:51,847 INFO L215 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:03:51,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:03:51,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:03:51,856 INFO L85 PathProgramCache]: Analyzing trace with hash 904686451, now seen corresponding path program 1 times [2024-11-09 07:03:51,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:03:51,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673796608] [2024-11-09 07:03:51,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:51,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:03:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:03:52,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450195239] [2024-11-09 07:03:52,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:03:52,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:03:52,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:52,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:03:52,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:03:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:03:52,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:03:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:03:52,978 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:03:52,982 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:03:52,984 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:03:53,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:03:53,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 07:03:53,197 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:03:53,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:03:53,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:03:53 BoogieIcfgContainer [2024-11-09 07:03:53,304 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:03:53,305 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:03:53,305 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:03:53,305 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:03:53,307 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:03:51" (3/4) ... [2024-11-09 07:03:53,310 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:03:53,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:03:53,314 INFO L158 Benchmark]: Toolchain (without parser) took 3543.73ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 102.1MB in the beginning and 94.7MB in the end (delta: 7.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-11-09 07:03:53,315 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 144.7MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:03:53,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.00ms. Allocated memory is still 144.7MB. Free memory was 102.1MB in the beginning and 86.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:03:53,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.42ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 82.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:03:53,317 INFO L158 Benchmark]: Boogie Preprocessor took 66.30ms. Allocated memory is still 144.7MB. Free memory was 82.7MB in the beginning and 80.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:03:53,318 INFO L158 Benchmark]: RCFGBuilder took 1239.84ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 80.6MB in the beginning and 147.1MB in the end (delta: -66.6MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-11-09 07:03:53,319 INFO L158 Benchmark]: TraceAbstraction took 1643.17ms. Allocated memory is still 190.8MB. Free memory was 146.1MB in the beginning and 95.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-09 07:03:53,320 INFO L158 Benchmark]: Witness Printer took 7.91ms. Allocated memory is still 190.8MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:03:53,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 144.7MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.00ms. Allocated memory is still 144.7MB. Free memory was 102.1MB in the beginning and 86.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.42ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 82.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.30ms. Allocated memory is still 144.7MB. Free memory was 82.7MB in the beginning and 80.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1239.84ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 80.6MB in the beginning and 147.1MB in the end (delta: -66.6MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1643.17ms. Allocated memory is still 190.8MB. Free memory was 146.1MB in the beginning and 95.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 7.91ms. Allocated memory is still 190.8MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.0MB). 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 64, overapproximation of shiftLeft at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] unsigned char last_1_var_1_6 = 32; [L40] unsigned short int last_1_var_1_8 = 100; [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L114] last_1_var_1_6 = var_1_6 [L115] last_1_var_1_8 = var_1_8 [L125] RET updateLastVariables() [L126] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L87] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L88] var_1_3 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L90] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L91] var_1_4 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L93] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L94] var_1_5 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L96] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L97] var_1_10 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L99] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L100] var_1_11 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L102] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L103] var_1_12 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L105] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L106] var_1_13 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L108] var_1_14 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L110] var_1_16 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L126] RET updateVariables() [L127] CALL step() [L44] signed long int stepLocal_0 = 64 + (var_1_5 / var_1_3); [L45] COND TRUE stepLocal_0 != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6)) [L46] var_1_6 = var_1_4 [L50] COND FALSE !(\read(var_1_2)) [L53] var_1_1 = (var_1_4 + var_1_5) [L55] COND FALSE !(((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) [L58] var_1_9 = var_1_13 [L60] var_1_15 = (var_1_14 + var_1_16) [L61] COND FALSE !(\read(var_1_2)) [L64] COND TRUE var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13)))) [L65] var_1_17 = var_1_4 [L70] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) [L75] var_1_18 = var_1_16 [L77] signed long int stepLocal_1 = var_1_3 - var_1_5; [L78] COND TRUE (var_1_17 + var_1_6) >= stepLocal_1 [L79] var_1_8 = ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))) [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L118-L119] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_16=63/2, var_1_17=127, var_1_18=63/2, var_1_1=237, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=1151, var_1_8=152, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_16=63/2, var_1_17=127, var_1_18=63/2, var_1_1=237, var_1_2=-256, var_1_3=152, var_1_4=1151, var_1_5=1134, var_1_6=1151, var_1_8=152, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 17, 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=36occurred 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: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 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 [2024-11-09 07:03:53,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje --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 e08fff422fa05e55de9465eb7ce68add40168437de7b6f905b417b90cbb987a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:03:56,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:03:56,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:03:56,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:03:56,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:03:56,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:03:56,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:03:56,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:03:56,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:03:56,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:03:56,746 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:03:56,747 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:03:56,747 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:03:56,748 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:03:56,752 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:03:56,753 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:03:56,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:03:56,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:03:56,754 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:03:56,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:03:56,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:03:56,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:03:56,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:03:56,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:03:56,759 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:03:56,760 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:03:56,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:03:56,760 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:03:56,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:03:56,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:03:56,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:03:56,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:03:56,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:03:56,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:03:56,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:03:56,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:56,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:03:56,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:03:56,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:03:56,764 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:03:56,765 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:03:56,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:03:56,767 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:03:56,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08fff422fa05e55de9465eb7ce68add40168437de7b6f905b417b90cbb987a0 [2024-11-09 07:03:57,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:03:57,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:03:57,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:03:57,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:03:57,341 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:03:57,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i Unable to find full path for "g++" [2024-11-09 07:03:59,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:04:00,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:04:00,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i [2024-11-09 07:04:00,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/data/cb113a57b/e9520bb65ceb4ea689da83fde0ce8271/FLAG532250a1f [2024-11-09 07:04:00,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/data/cb113a57b/e9520bb65ceb4ea689da83fde0ce8271 [2024-11-09 07:04:00,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:04:00,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:04:00,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:04:00,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:04:00,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:04:00,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:04:00" (1/1) ... [2024-11-09 07:04:00,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4a6574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:00, skipping insertion in model container [2024-11-09 07:04:00,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:04:00" (1/1) ... [2024-11-09 07:04:00,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:04:00,905 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_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i[913,926] [2024-11-09 07:04:01,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:04:01,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:04:01,072 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_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-20.i[913,926] [2024-11-09 07:04:01,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:04:01,173 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:04:01,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01 WrapperNode [2024-11-09 07:04:01,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:04:01,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:04:01,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:04:01,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:04:01,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,267 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-09 07:04:01,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:04:01,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:04:01,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:04:01,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:04:01,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:04:01,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:04:01,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:04:01,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:04:01,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (1/1) ... [2024-11-09 07:04:01,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:04:01,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:04:01,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:04:01,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:04:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:04:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:04:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:04:01,499 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:04:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:04:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:04:01,612 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:04:01,616 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:04:06,936 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 07:04:06,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:04:06,953 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:04:06,954 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:04:06,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:04:06 BoogieIcfgContainer [2024-11-09 07:04:06,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:04:06,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:04:06,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:04:06,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:04:06,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:04:00" (1/3) ... [2024-11-09 07:04:06,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f67637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:04:06, skipping insertion in model container [2024-11-09 07:04:06,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:04:01" (2/3) ... [2024-11-09 07:04:06,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f67637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:04:06, skipping insertion in model container [2024-11-09 07:04:06,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:04:06" (3/3) ... [2024-11-09 07:04:06,967 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-20.i [2024-11-09 07:04:06,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:04:06,989 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:04:07,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:04:07,081 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;@418671c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:04:07,082 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:04:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 07:04:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 07:04:07,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:04:07,105 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:04:07,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:04:07,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:04:07,116 INFO L85 PathProgramCache]: Analyzing trace with hash -972461345, now seen corresponding path program 1 times [2024-11-09 07:04:07,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:04:07,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123097832] [2024-11-09 07:04:07,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:07,143 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 [2024-11-09 07:04:07,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:04:07,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:04:07,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:04:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:07,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:04:07,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 07:04:07,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:04:07,895 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:04:07,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123097832] [2024-11-09 07:04:07,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123097832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:04:07,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:04:07,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:04:07,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205610097] [2024-11-09 07:04:07,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:04:07,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:04:07,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:04:07,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:04:07,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:04:07,954 INFO L87 Difference]: Start difference. First operand has 56 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 07:04:08,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:04:08,015 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2024-11-09 07:04:08,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:04:08,020 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2024-11-09 07:04:08,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:04:08,034 INFO L225 Difference]: With dead ends: 105 [2024-11-09 07:04:08,035 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 07:04:08,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:04:08,050 INFO L432 NwaCegarLoop]: 76 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, 76 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 [2024-11-09 07:04:08,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:04:08,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 07:04:08,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-09 07:04:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 07:04:08,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-11-09 07:04:08,113 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 112 [2024-11-09 07:04:08,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:04:08,114 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-11-09 07:04:08,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 07:04:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-09 07:04:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 07:04:08,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:04:08,122 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:04:08,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:04:08,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:04:08,323 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:04:08,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:04:08,325 INFO L85 PathProgramCache]: Analyzing trace with hash 986990937, now seen corresponding path program 1 times [2024-11-09 07:04:08,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:04:08,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594258821] [2024-11-09 07:04:08,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:04:08,330 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 [2024-11-09 07:04:08,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:04:08,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:04:08,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3f6452-a8e7-4dbe-be6b-e687d15c050f/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:04:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:04:09,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-09 07:04:09,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:04:53,325 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:05:44,292 WARN L286 SmtUtils]: Spent 21.03s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:06:39,023 WARN L286 SmtUtils]: Spent 21.91s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:08:05,358 WARN L286 SmtUtils]: Spent 35.37s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:09:34,648 WARN L286 SmtUtils]: Spent 35.83s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 07:11:09,469 WARN L286 SmtUtils]: Spent 37.90s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)