./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.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_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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_032b459b-be62-473b-a72a-fec6cd3e5051/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 3106ad671e80524e3625bb66f68745fdb8c6d7eaeb9bf9e1410eb7f8dbbf84e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:41:16,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:41:16,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:41:16,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:41:16,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:41:16,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:41:16,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:41:16,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:41:16,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:41:16,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:41:16,340 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:41:16,340 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:41:16,341 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:41:16,341 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:41:16,342 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:41:16,342 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:41:16,343 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:41:16,343 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:41:16,344 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:41:16,344 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:41:16,345 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:41:16,349 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:41:16,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:41:16,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:41:16,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:41:16,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:41:16,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:41:16,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:41:16,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:41:16,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:41:16,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:41:16,353 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:41:16,354 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:41:16,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:41:16,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:41:16,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:41:16,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:41:16,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:41:16,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:41:16,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:41:16,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:41:16,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:41:16,357 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:41:16,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:41:16,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:41:16,358 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:41:16,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:41:16,358 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_032b459b-be62-473b-a72a-fec6cd3e5051/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3106ad671e80524e3625bb66f68745fdb8c6d7eaeb9bf9e1410eb7f8dbbf84e4 [2024-11-09 05:41:16,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:41:16,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:41:16,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:41:16,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:41:16,775 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:41:16,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i Unable to find full path for "g++" [2024-11-09 05:41:19,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:41:19,765 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:41:19,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i [2024-11-09 05:41:19,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/data/659236b46/ea8589f4c868465c8a0e45ab8e8e6785/FLAGee7d2158d [2024-11-09 05:41:19,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/data/659236b46/ea8589f4c868465c8a0e45ab8e8e6785 [2024-11-09 05:41:19,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:41:19,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:41:19,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:41:19,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:41:19,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:41:19,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:41:19" (1/1) ... [2024-11-09 05:41:19,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479a9c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:19, skipping insertion in model container [2024-11-09 05:41:19,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:41:19" (1/1) ... [2024-11-09 05:41:19,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:41:20,078 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_032b459b-be62-473b-a72a-fec6cd3e5051/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i[915,928] [2024-11-09 05:41:20,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:41:20,168 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:41:20,186 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_032b459b-be62-473b-a72a-fec6cd3e5051/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i[915,928] [2024-11-09 05:41:20,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:41:20,251 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:41:20,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20 WrapperNode [2024-11-09 05:41:20,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:41:20,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:41:20,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:41:20,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:41:20,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,309 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-11-09 05:41:20,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:41:20,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:41:20,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:41:20,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:41:20,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:41:20,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:41:20,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:41:20,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:41:20,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (1/1) ... [2024-11-09 05:41:20,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:41:20,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:41:20,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:41:20,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:41:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:41:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:41:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:41:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:41:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:41:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:41:20,593 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:41:20,598 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:41:21,095 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 05:41:21,095 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:41:21,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:41:21,365 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:41:21,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:41:21 BoogieIcfgContainer [2024-11-09 05:41:21,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:41:21,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:41:21,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:41:21,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:41:21,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:41:19" (1/3) ... [2024-11-09 05:41:21,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56732a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:41:21, skipping insertion in model container [2024-11-09 05:41:21,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:20" (2/3) ... [2024-11-09 05:41:21,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56732a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:41:21, skipping insertion in model container [2024-11-09 05:41:21,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:41:21" (3/3) ... [2024-11-09 05:41:21,378 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-98.i [2024-11-09 05:41:21,406 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:41:21,407 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:41:21,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:41:21,538 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;@45654a1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:41:21,538 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:41:21,554 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) [2024-11-09 05:41:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 05:41:21,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:21,569 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] [2024-11-09 05:41:21,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:41:21,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:21,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1860192468, now seen corresponding path program 1 times [2024-11-09 05:41:21,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:41:21,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121403777] [2024-11-09 05:41:21,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:21,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:41:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:41:22,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594472255] [2024-11-09 05:41:22,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:22,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:41:22,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:41:22,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:41:22,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:41:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:41:22,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:41:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:41:22,752 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:41:22,754 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:41:22,756 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:41:22,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:41:22,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:41:22,964 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:41:23,059 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:41:23,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:41:23 BoogieIcfgContainer [2024-11-09 05:41:23,062 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:41:23,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:41:23,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:41:23,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:41:23,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:41:21" (3/4) ... [2024-11-09 05:41:23,068 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:41:23,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:41:23,071 INFO L158 Benchmark]: Toolchain (without parser) took 3268.82ms. Allocated memory is still 132.1MB. Free memory was 101.6MB in the beginning and 52.1MB in the end (delta: 49.4MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-09 05:41:23,071 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 132.1MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:41:23,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.80ms. Allocated memory is still 132.1MB. Free memory was 101.6MB in the beginning and 87.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:41:23,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.17ms. Allocated memory is still 132.1MB. Free memory was 87.1MB in the beginning and 85.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:41:23,074 INFO L158 Benchmark]: Boogie Preprocessor took 38.27ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 83.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:41:23,076 INFO L158 Benchmark]: RCFGBuilder took 1010.46ms. Allocated memory is still 132.1MB. Free memory was 83.4MB in the beginning and 53.8MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 05:41:23,076 INFO L158 Benchmark]: TraceAbstraction took 1693.46ms. Allocated memory is still 132.1MB. Free memory was 53.4MB in the beginning and 52.8MB in the end (delta: 549.6kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-11-09 05:41:23,078 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 132.1MB. Free memory was 52.8MB in the beginning and 52.1MB in the end (delta: 677.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:41:23,081 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 132.1MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.80ms. Allocated memory is still 132.1MB. Free memory was 101.6MB in the beginning and 87.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.17ms. Allocated memory is still 132.1MB. Free memory was 87.1MB in the beginning and 85.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.27ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 83.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.46ms. Allocated memory is still 132.1MB. Free memory was 83.4MB in the beginning and 53.8MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1693.46ms. Allocated memory is still 132.1MB. Free memory was 53.4MB in the beginning and 52.8MB in the end (delta: 549.6kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 132.1MB. Free memory was 52.8MB in the beginning and 52.1MB in the end (delta: 677.3kB). 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 someBinaryDOUBLEComparisonOperation at line 43, overapproximation of shiftRight at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 4.8; [L23] double var_1_2 = 63.5; [L24] double var_1_3 = 9999999.5; [L25] double var_1_4 = 0.6; [L26] signed short int var_1_6 = 10; [L27] signed long int var_1_7 = -1; [L28] double var_1_8 = 32.34; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_11 = 1; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned long int var_1_15 = 0; [L35] unsigned long int var_1_16 = 2731588682; [L36] unsigned long int var_1_17 = 2; [L37] unsigned long int var_1_18 = 50; [L38] unsigned char last_1_var_1_9 = 0; [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] CALL updateLastVariables() [L91] last_1_var_1_9 = var_1_9 [L101] RET updateLastVariables() [L102] CALL updateVariables() [L58] var_1_2 = __VERIFIER_nondet_double() [L59] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L60] var_1_3 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L62] var_1_6 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L64] CALL assume_abort_if_not(var_1_6 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_6 <= 32) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L65] var_1_7 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L67] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L69] var_1_8 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L71] var_1_11 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L74] var_1_12 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L77] var_1_13 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L80] var_1_14 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L83] var_1_16 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L86] var_1_17 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L102] RET updateVariables() [L103] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) [L43] COND TRUE ((- var_1_2) * var_1_8) == var_1_1 [L44] var_1_9 = ((last_1_var_1_9 || var_1_11) && (var_1_12 && (var_1_13 && var_1_14))) [L46] COND TRUE \read(var_1_14) [L47] var_1_15 = var_1_6 [L51] var_1_18 = var_1_6 [L52] EXPR var_1_18 >> var_1_6 [L52] unsigned long int stepLocal_0 = (var_1_18 >> var_1_6) / var_1_7; [L53] COND FALSE !(8 < stepLocal_0) [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR (var_1_1 == ((double) (var_1_2 - var_1_3))) && ((8 < ((var_1_18 >> var_1_6) / var_1_7)) ? (var_1_4 == ((double) ((15.475 + 256.75) + var_1_8))) : 1) [L94-L95] return ((((var_1_1 == ((double) (var_1_2 - var_1_3))) && ((8 < ((var_1_18 >> var_1_6) / var_1_7)) ? (var_1_4 == ((double) ((15.475 + 256.75) + var_1_8))) : 1)) && ((((- var_1_2) * var_1_8) == var_1_1) ? (var_1_9 == ((unsigned char) ((last_1_var_1_9 || var_1_11) && (var_1_12 && (var_1_13 && var_1_14))))) : 1)) && (var_1_14 ? (var_1_15 == ((unsigned long int) var_1_6)) : (var_1_15 == ((unsigned long int) (var_1_16 - ((((var_1_6) > ((1251570750u - var_1_17))) ? (var_1_6) : ((1251570750u - var_1_17))))))))) && (var_1_18 == ((unsigned long int) var_1_6)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=0, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=0, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, 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: 0.0s SsaConstructionTime, 0.7s 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 [2024-11-09 05:41:23,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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_032b459b-be62-473b-a72a-fec6cd3e5051/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 3106ad671e80524e3625bb66f68745fdb8c6d7eaeb9bf9e1410eb7f8dbbf84e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:41:25,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:41:26,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:41:26,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:41:26,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:41:26,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:41:26,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:41:26,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:41:26,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:41:26,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:41:26,182 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:41:26,182 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:41:26,183 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:41:26,183 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:41:26,184 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:41:26,187 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:41:26,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:41:26,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:41:26,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:41:26,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:41:26,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:41:26,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:41:26,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:41:26,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:41:26,195 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:41:26,196 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:41:26,198 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:41:26,198 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:41:26,199 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:41:26,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:41:26,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:41:26,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:41:26,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:41:26,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:41:26,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:41:26,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:41:26,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:41:26,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:41:26,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:41:26,204 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:41:26,205 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:41:26,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:41:26,206 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:41:26,207 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_032b459b-be62-473b-a72a-fec6cd3e5051/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3106ad671e80524e3625bb66f68745fdb8c6d7eaeb9bf9e1410eb7f8dbbf84e4 [2024-11-09 05:41:26,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:41:26,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:41:26,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:41:26,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:41:26,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:41:26,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i Unable to find full path for "g++" [2024-11-09 05:41:29,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:41:29,696 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:41:29,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i [2024-11-09 05:41:29,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/data/389d39ae5/79fd5b76f4d148c1aa5db025716789a9/FLAG44f1e1205 [2024-11-09 05:41:29,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/data/389d39ae5/79fd5b76f4d148c1aa5db025716789a9 [2024-11-09 05:41:29,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:41:29,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:41:29,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:41:29,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:41:29,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:41:29,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:41:29" (1/1) ... [2024-11-09 05:41:29,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146d8b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:29, skipping insertion in model container [2024-11-09 05:41:29,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:41:29" (1/1) ... [2024-11-09 05:41:29,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:41:30,050 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_032b459b-be62-473b-a72a-fec6cd3e5051/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i[915,928] [2024-11-09 05:41:30,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:41:30,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:41:30,178 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_032b459b-be62-473b-a72a-fec6cd3e5051/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-98.i[915,928] [2024-11-09 05:41:30,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:41:30,240 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:41:30,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30 WrapperNode [2024-11-09 05:41:30,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:41:30,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:41:30,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:41:30,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:41:30,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,321 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-09 05:41:30,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:41:30,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:41:30,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:41:30,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:41:30,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:41:30,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:41:30,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:41:30,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:41:30,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (1/1) ... [2024-11-09 05:41:30,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:41:30,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:41:30,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:41:30,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:41:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:41:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:41:30,475 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:41:30,475 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:41:30,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:41:30,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:41:30,627 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:41:30,630 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:41:37,976 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 05:41:37,976 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:41:37,998 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:41:37,999 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:41:38,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:41:37 BoogieIcfgContainer [2024-11-09 05:41:38,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:41:38,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:41:38,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:41:38,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:41:38,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:41:29" (1/3) ... [2024-11-09 05:41:38,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eca386c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:41:38, skipping insertion in model container [2024-11-09 05:41:38,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:41:30" (2/3) ... [2024-11-09 05:41:38,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eca386c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:41:38, skipping insertion in model container [2024-11-09 05:41:38,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:41:37" (3/3) ... [2024-11-09 05:41:38,012 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-98.i [2024-11-09 05:41:38,035 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:41:38,036 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:41:38,135 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:41:38,143 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;@7c6bb855, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:41:38,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:41:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-09 05:41:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 05:41:38,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:38,166 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:38,167 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:41:38,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:38,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1615042515, now seen corresponding path program 1 times [2024-11-09 05:41:38,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:41:38,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232955850] [2024-11-09 05:41:38,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:38,192 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 05:41:38,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:41:38,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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 05:41:38,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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 05:41:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:38,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:41:38,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:41:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 05:41:39,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:41:39,034 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:41:39,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232955850] [2024-11-09 05:41:39,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232955850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:41:39,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:41:39,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:41:39,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791497032] [2024-11-09 05:41:39,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:41:39,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:41:39,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:41:39,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:41:39,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:41:39,083 INFO L87 Difference]: Start difference. First operand has 54 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:41:39,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:41:39,120 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-09 05:41:39,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:41:39,126 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-09 05:41:39,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:41:39,137 INFO L225 Difference]: With dead ends: 101 [2024-11-09 05:41:39,138 INFO L226 Difference]: Without dead ends: 50 [2024-11-09 05:41:39,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 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 05:41:39,147 INFO L432 NwaCegarLoop]: 72 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, 72 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 05:41:39,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:41:39,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-09 05:41:39,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-09 05:41:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 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) [2024-11-09 05:41:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-09 05:41:39,215 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 124 [2024-11-09 05:41:39,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:41:39,217 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-09 05:41:39,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:41:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-09 05:41:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 05:41:39,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:41:39,226 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:41:39,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:41:39,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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 05:41:39,427 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:41:39,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:41:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash 27584429, now seen corresponding path program 1 times [2024-11-09 05:41:39,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:41:39,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575595558] [2024-11-09 05:41:39,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:41:39,430 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 05:41:39,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:41:39,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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 05:41:39,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_032b459b-be62-473b-a72a-fec6cd3e5051/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 05:41:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:41:40,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 05:41:40,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:42:26,111 WARN L851 $PredicateComparison]: unable to prove that (and (fp.eq (fp.mul c_currentRoundingMode (fp.neg c_~var_1_2~0) c_~var_1_8~0) c_~var_1_1~0) (= (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_1~0) (bvsge ((_ zero_extend 24) c_~var_1_11~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_14~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_12~0) (_ bv1 32)) (= (_ bv1 8) c_~var_1_9~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32))) is different from false [2024-11-09 05:43:02,633 WARN L851 $PredicateComparison]: unable to prove that (and (fp.eq (fp.mul c_currentRoundingMode (fp.neg c_~var_1_2~0) c_~var_1_8~0) c_~var_1_1~0) (= (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_1~0) (bvsge ((_ zero_extend 24) c_~var_1_11~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_14~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_12~0) (_ bv1 32)) (= c_~var_1_15~0 ((_ sign_extend 16) c_~var_1_6~0)) (= (_ bv1 8) c_~var_1_9~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32))) is different from false [2024-11-09 05:43:04,666 WARN L873 $PredicateComparison]: unable to prove that (and (fp.eq (fp.mul c_currentRoundingMode (fp.neg c_~var_1_2~0) c_~var_1_8~0) c_~var_1_1~0) (= (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_1~0) (bvsge ((_ zero_extend 24) c_~var_1_11~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_14~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_12~0) (_ bv1 32)) (= c_~var_1_15~0 ((_ sign_extend 16) c_~var_1_6~0)) (= (_ bv1 8) c_~var_1_9~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32))) is different from true [2024-11-09 05:43:49,368 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_6~0))) (and (fp.eq (fp.mul c_currentRoundingMode (fp.neg c_~var_1_2~0) c_~var_1_8~0) c_~var_1_1~0) (= (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_1~0) (bvsge ((_ zero_extend 24) c_~var_1_11~0) (_ bv1 32)) (= (bvudiv (bvlshr c_~var_1_18~0 .cse0) c_~var_1_7~0) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (= .cse0 c_~var_1_18~0) (bvsge ((_ zero_extend 24) c_~var_1_14~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_12~0) (_ bv1 32)) (= c_~var_1_15~0 .cse0) (= (_ bv1 8) c_~var_1_9~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)))) is different from true [2024-11-09 05:44:32,829 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_6~0))) (and (fp.eq (fp.mul c_currentRoundingMode (fp.neg c_~var_1_2~0) c_~var_1_8~0) c_~var_1_1~0) (= (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_1~0) (bvsge ((_ zero_extend 24) c_~var_1_11~0) (_ bv1 32)) (not (bvult (_ bv8 32) (bvudiv (bvlshr c_~var_1_18~0 .cse0) c_~var_1_7~0))) (= .cse0 c_~var_1_18~0) (bvsge ((_ zero_extend 24) c_~var_1_14~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_12~0) (_ bv1 32)) (= c_~var_1_15~0 .cse0) (= (_ bv1 8) c_~var_1_9~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)))) is different from false [2024-11-09 05:44:34,862 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_6~0))) (and (fp.eq (fp.mul c_currentRoundingMode (fp.neg c_~var_1_2~0) c_~var_1_8~0) c_~var_1_1~0) (= (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_1~0) (bvsge ((_ zero_extend 24) c_~var_1_11~0) (_ bv1 32)) (not (bvult (_ bv8 32) (bvudiv (bvlshr c_~var_1_18~0 .cse0) c_~var_1_7~0))) (= .cse0 c_~var_1_18~0) (bvsge ((_ zero_extend 24) c_~var_1_14~0) (_ bv1 32)) (bvsge ((_ zero_extend 24) c_~var_1_12~0) (_ bv1 32)) (= c_~var_1_15~0 .cse0) (= (_ bv1 8) c_~var_1_9~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)))) is different from true [2024-11-09 05:48:55,329 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)))) (or (and .cse0 (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.eq ~var_1_4~0 (fp.add currentRoundingMode (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 619.0 40.0)) ((_ to_fp 11 53) currentRoundingMode (/ 1027.0 4.0))) ~var_1_8~0)) (fp.eq (fp.mul currentRoundingMode (fp.neg ~var_1_2~0) ~var_1_8~0) (fp.sub currentRoundingMode ~var_1_2~0 ~var_1_3~0))))) (and .cse0 (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (not (fp.eq ~var_1_4~0 (fp.add currentRoundingMode (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 619.0 40.0)) ((_ to_fp 11 53) currentRoundingMode (/ 1027.0 4.0))) ~var_1_8~0))) (fp.eq (fp.mul currentRoundingMode (fp.neg ~var_1_2~0) ~var_1_8~0) (fp.sub currentRoundingMode ~var_1_2~0 ~var_1_3~0))))))) is different from false [2024-11-09 05:49:18,019 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)))) (or (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (fp.eq ~var_1_4~0 (fp.add currentRoundingMode (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 619.0 40.0)) ((_ to_fp 11 53) currentRoundingMode (/ 1027.0 4.0))) ~var_1_8~0)) (fp.eq (fp.mul currentRoundingMode (fp.neg ~var_1_2~0) ~var_1_8~0) (fp.sub currentRoundingMode ~var_1_2~0 ~var_1_3~0)))) .cse0) (and .cse0 (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode) (~var_1_8~0 (_ FloatingPoint 11 53))) (and (not (fp.eq ~var_1_4~0 (fp.add currentRoundingMode (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 619.0 40.0)) ((_ to_fp 11 53) currentRoundingMode (/ 1027.0 4.0))) ~var_1_8~0))) (fp.eq (fp.mul currentRoundingMode (fp.neg ~var_1_2~0) ~var_1_8~0) (fp.sub currentRoundingMode ~var_1_2~0 ~var_1_3~0))))))) is different from false [2024-11-09 05:49:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 519 proven. 78 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-09 05:49:18,035 INFO L311 TraceCheckSpWp]: Computing backward predicates...