./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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_972735f8-d82c-48bd-8248-3c541d1c5c71/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 024fd0f7f784f62d28de40aae573edce10a68ac5b0624f441dc23a0b8d5d66c0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:48:01,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:48:01,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:48:01,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:48:01,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:48:01,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:48:01,261 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:48:01,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:48:01,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:48:01,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:48:01,267 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:48:01,267 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:48:01,267 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:48:01,268 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:48:01,268 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:48:01,270 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:48:01,271 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:48:01,271 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:48:01,272 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:48:01,275 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:48:01,276 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:48:01,276 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:48:01,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:48:01,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:48:01,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:48:01,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:48:01,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:48:01,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:48:01,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:48:01,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:48:01,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:48:01,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:48:01,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:48:01,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:48:01,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:48:01,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:48:01,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:48:01,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:48:01,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:48:01,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:48:01,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:48:01,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:48:01,290 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:48:01,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:48:01,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:48:01,291 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:48:01,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:48:01,292 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_972735f8-d82c-48bd-8248-3c541d1c5c71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024fd0f7f784f62d28de40aae573edce10a68ac5b0624f441dc23a0b8d5d66c0 [2024-11-09 06:48:01,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:48:01,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:48:01,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:48:01,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:48:01,674 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:48:01,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i Unable to find full path for "g++" [2024-11-09 06:48:04,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:48:04,408 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:48:04,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i [2024-11-09 06:48:04,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/data/57d8698bb/0e066e62908340c28786b74afc4fe052/FLAG41cda2582 [2024-11-09 06:48:04,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/data/57d8698bb/0e066e62908340c28786b74afc4fe052 [2024-11-09 06:48:04,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:48:04,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:48:04,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:48:04,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:48:04,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:48:04,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:48:04" (1/1) ... [2024-11-09 06:48:04,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c4c8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:04, skipping insertion in model container [2024-11-09 06:48:04,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:48:04" (1/1) ... [2024-11-09 06:48:04,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:48:05,039 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_972735f8-d82c-48bd-8248-3c541d1c5c71/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i[913,926] [2024-11-09 06:48:05,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:48:05,169 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:48:05,186 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_972735f8-d82c-48bd-8248-3c541d1c5c71/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i[913,926] [2024-11-09 06:48:05,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:48:05,260 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:48:05,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05 WrapperNode [2024-11-09 06:48:05,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:48:05,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:48:05,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:48:05,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:48:05,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,377 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2024-11-09 06:48:05,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:48:05,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:48:05,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:48:05,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:48:05,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:48:05,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:48:05,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:48:05,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:48:05,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (1/1) ... [2024-11-09 06:48:05,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:48:05,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:48:05,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:48:05,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:48:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:48:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:48:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:48:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:48:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:48:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:48:05,694 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:48:05,699 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:48:06,320 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 06:48:06,320 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:48:06,621 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:48:06,621 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:48:06,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:06 BoogieIcfgContainer [2024-11-09 06:48:06,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:48:06,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:48:06,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:48:06,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:48:06,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:48:04" (1/3) ... [2024-11-09 06:48:06,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267a3831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:48:06, skipping insertion in model container [2024-11-09 06:48:06,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:05" (2/3) ... [2024-11-09 06:48:06,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267a3831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:48:06, skipping insertion in model container [2024-11-09 06:48:06,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:06" (3/3) ... [2024-11-09 06:48:06,635 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-58.i [2024-11-09 06:48:06,659 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:48:06,660 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:48:06,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:48:06,761 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;@6824fa72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:48:06,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:48:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 06:48:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 06:48:06,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:48:06,783 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:06,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:48:06,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:48:06,791 INFO L85 PathProgramCache]: Analyzing trace with hash 128876724, now seen corresponding path program 1 times [2024-11-09 06:48:06,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:48:06,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815686825] [2024-11-09 06:48:06,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:06,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:48:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:48:07,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284220871] [2024-11-09 06:48:07,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:07,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:48:07,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:48:07,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:48:07,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:48:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:48:07,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:48:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:48:08,023 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:48:08,026 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:48:08,028 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:48:08,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:48:08,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:48:08,237 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:48:08,373 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:48:08,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:48:08 BoogieIcfgContainer [2024-11-09 06:48:08,383 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:48:08,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:48:08,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:48:08,384 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:48:08,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:06" (3/4) ... [2024-11-09 06:48:08,388 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:48:08,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:48:08,392 INFO L158 Benchmark]: Toolchain (without parser) took 3687.46ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 115.2MB in the beginning and 115.1MB in the end (delta: 103.7kB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,392 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:48:08,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.81ms. Allocated memory is still 159.4MB. Free memory was 115.2MB in the beginning and 99.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.71ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 95.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,395 INFO L158 Benchmark]: Boogie Preprocessor took 73.27ms. Allocated memory is still 159.4MB. Free memory was 95.8MB in the beginning and 93.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,396 INFO L158 Benchmark]: RCFGBuilder took 1165.22ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 93.7MB in the beginning and 173.8MB in the end (delta: -80.1MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,396 INFO L158 Benchmark]: TraceAbstraction took 1757.70ms. Allocated memory is still 218.1MB. Free memory was 172.7MB in the beginning and 116.1MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-09 06:48:08,397 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 218.1MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:48:08,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.81ms. Allocated memory is still 159.4MB. Free memory was 115.2MB in the beginning and 99.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.71ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 95.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.27ms. Allocated memory is still 159.4MB. Free memory was 95.8MB in the beginning and 93.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1165.22ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 93.7MB in the beginning and 173.8MB in the end (delta: -80.1MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1757.70ms. Allocated memory is still 218.1MB. Free memory was 172.7MB in the beginning and 116.1MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 218.1MB. Free memory is still 115.1MB. 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 138. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_3 = 16; [L24] unsigned char var_1_5 = 200; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] signed short int var_1_10 = 128; [L30] signed short int var_1_11 = 5; [L31] signed char var_1_12 = -2; [L32] signed char var_1_13 = -32; [L33] signed char var_1_14 = 2; [L34] signed char var_1_15 = 25; [L35] signed char var_1_16 = 1; [L36] signed char var_1_17 = 0; [L37] signed long int var_1_18 = -16; [L38] float var_1_19 = 2.775; [L39] unsigned long int var_1_20 = 2381110720; [L40] float var_1_21 = 10000000000000.5; [L41] signed short int last_1_var_1_10 = 128; [L42] signed short int last_1_var_1_11 = 5; [L43] signed char last_1_var_1_15 = 25; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] CALL updateLastVariables() [L133] last_1_var_1_10 = var_1_10 [L134] last_1_var_1_11 = var_1_11 [L135] last_1_var_1_15 = var_1_15 [L145] RET updateLastVariables() [L146] CALL updateVariables() [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L99] var_1_5 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L101] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L102] var_1_6 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_7=0, var_1_8=0, var_1_9=0] [L104] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L105] var_1_7 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_8=0, var_1_9=0] [L107] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L108] var_1_8 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_9=0] [L110] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L111] var_1_9 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0] [L113] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L114] var_1_13 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L116] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L117] var_1_14 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_14 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L119] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L120] var_1_16 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L122] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L123] var_1_17 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L125] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L126] var_1_20 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L128] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L129] var_1_21 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L146] RET updateVariables() [L147] CALL step() [L47] COND FALSE !((last_1_var_1_15 / var_1_3) <= 2) [L58] var_1_1 = var_1_5 [L60] unsigned char stepLocal_0 = var_1_1; [L61] COND TRUE var_1_3 <= stepLocal_0 [L62] var_1_10 = ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))) [L64] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) [L65] COND FALSE !(\read(var_1_7)) [L68] signed char stepLocal_2 = var_1_16; [L69] COND TRUE stepLocal_2 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3))) [L70] var_1_18 = (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))) [L74] COND TRUE 100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_15) [L75] COND TRUE var_1_20 > 1u [L76] COND TRUE \read(var_1_9) [L77] var_1_19 = var_1_21 [L85] signed long int stepLocal_1 = ((((var_1_15) < (var_1_10)) ? (var_1_15) : (var_1_10))) + var_1_5; [L86] COND FALSE !(last_1_var_1_11 >= stepLocal_1) [L89] COND FALSE !(\read(var_1_8)) [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return ((((((((last_1_var_1_15 / var_1_3) <= 2) ? ((var_1_3 < (((((~ last_1_var_1_15)) < (last_1_var_1_10)) ? ((~ last_1_var_1_15)) : (last_1_var_1_10)))) ? (var_1_1 == ((unsigned char) ((((var_1_5) < (16)) ? (var_1_5) : (16))))) : ((((var_1_6 || var_1_7) && var_1_8) || var_1_9) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5)))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_3 <= var_1_1) ? (var_1_10 == ((signed short int) ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))))) : 1)) && ((last_1_var_1_11 >= (((((var_1_15) < (var_1_10)) ? (var_1_15) : (var_1_10))) + var_1_5)) ? (var_1_11 == ((signed short int) ((var_1_5 + var_1_15) + var_1_3))) : (var_1_8 ? (var_1_11 == ((signed short int) var_1_3)) : 1))) && (var_1_12 == ((signed char) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) && (var_1_7 ? (var_1_15 == ((signed char) (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17))) : 1)) && ((var_1_16 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3)))) ? (var_1_18 == ((signed long int) (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))))) : (var_1_18 == ((signed long int) 4)))) && ((100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_15)) ? ((var_1_20 > 1u) ? (var_1_9 ? (var_1_19 == ((float) var_1_21)) : (var_1_19 == ((float) var_1_21))) : (var_1_19 == ((float) var_1_21))) : 1) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=2, var_1_11=5, var_1_12=-1, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=64, var_1_19=2, var_1_1=4, var_1_20=-2147483649, var_1_21=2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=2, var_1_11=5, var_1_12=-1, var_1_13=2, var_1_14=-1, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=64, var_1_19=2, var_1_1=4, var_1_20=-2147483649, var_1_21=2, var_1_3=258, var_1_5=4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 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 06:48:08,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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_972735f8-d82c-48bd-8248-3c541d1c5c71/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 024fd0f7f784f62d28de40aae573edce10a68ac5b0624f441dc23a0b8d5d66c0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:48:11,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:48:11,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:48:11,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:48:11,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:48:11,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:48:11,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:48:11,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:48:11,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:48:11,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:48:11,575 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:48:11,576 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:48:11,576 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:48:11,577 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:48:11,577 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:48:11,578 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:48:11,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:48:11,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:48:11,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:48:11,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:48:11,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:48:11,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:48:11,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:48:11,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:48:11,589 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:48:11,589 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:48:11,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:48:11,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:48:11,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:48:11,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:48:11,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:48:11,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:48:11,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:48:11,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:48:11,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:48:11,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:48:11,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:48:11,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:48:11,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:48:11,597 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:48:11,598 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:48:11,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:48:11,599 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:48:11,599 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_972735f8-d82c-48bd-8248-3c541d1c5c71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024fd0f7f784f62d28de40aae573edce10a68ac5b0624f441dc23a0b8d5d66c0 [2024-11-09 06:48:12,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:48:12,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:48:12,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:48:12,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:48:12,172 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:48:12,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i Unable to find full path for "g++" [2024-11-09 06:48:14,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:48:14,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:48:14,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i [2024-11-09 06:48:14,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/data/715024a18/b7dfee8b652740f6ba80b6481e41bb62/FLAG86a1e658c [2024-11-09 06:48:14,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/data/715024a18/b7dfee8b652740f6ba80b6481e41bb62 [2024-11-09 06:48:14,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:48:14,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:48:14,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:48:14,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:48:14,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:48:14,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:48:14" (1/1) ... [2024-11-09 06:48:14,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205a714e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:14, skipping insertion in model container [2024-11-09 06:48:14,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:48:14" (1/1) ... [2024-11-09 06:48:14,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:48:15,209 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_972735f8-d82c-48bd-8248-3c541d1c5c71/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i[913,926] [2024-11-09 06:48:15,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:48:15,416 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:48:15,473 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_972735f8-d82c-48bd-8248-3c541d1c5c71/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-58.i[913,926] [2024-11-09 06:48:15,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:48:15,546 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:48:15,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15 WrapperNode [2024-11-09 06:48:15,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:48:15,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:48:15,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:48:15,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:48:15,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,635 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2024-11-09 06:48:15,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:48:15,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:48:15,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:48:15,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:48:15,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:48:15,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:48:15,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:48:15,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:48:15,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (1/1) ... [2024-11-09 06:48:15,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:48:15,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:48:15,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:48:15,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:48:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:48:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:48:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:48:15,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:48:15,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:48:15,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:48:15,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:48:15,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:48:16,422 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 06:48:16,423 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:48:16,446 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:48:16,447 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:48:16,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:16 BoogieIcfgContainer [2024-11-09 06:48:16,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:48:16,452 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:48:16,452 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:48:16,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:48:16,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:48:14" (1/3) ... [2024-11-09 06:48:16,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4327c679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:48:16, skipping insertion in model container [2024-11-09 06:48:16,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:48:15" (2/3) ... [2024-11-09 06:48:16,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4327c679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:48:16, skipping insertion in model container [2024-11-09 06:48:16,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:48:16" (3/3) ... [2024-11-09 06:48:16,461 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-58.i [2024-11-09 06:48:16,486 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:48:16,487 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:48:16,576 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:48:16,584 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;@27e7fa56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:48:16,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:48:16,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 06:48:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:48:16,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:48:16,611 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:16,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:48:16,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:48:16,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1348747642, now seen corresponding path program 1 times [2024-11-09 06:48:16,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:48:16,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475448190] [2024-11-09 06:48:16,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:16,639 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 06:48:16,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:48:16,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 06:48:16,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 06:48:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:17,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:48:17,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:48:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-09 06:48:17,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:48:17,142 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:48:17,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475448190] [2024-11-09 06:48:17,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475448190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:48:17,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:48:17,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:48:17,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252764117] [2024-11-09 06:48:17,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:48:17,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:48:17,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:48:17,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:48:17,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:48:17,196 INFO L87 Difference]: Start difference. First operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 06:48:17,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:48:17,242 INFO L93 Difference]: Finished difference Result 133 states and 232 transitions. [2024-11-09 06:48:17,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:48:17,245 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 151 [2024-11-09 06:48:17,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:48:17,255 INFO L225 Difference]: With dead ends: 133 [2024-11-09 06:48:17,256 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 06:48:17,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 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 06:48:17,265 INFO L432 NwaCegarLoop]: 100 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, 100 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 06:48:17,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:48:17,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 06:48:17,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 06:48:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 06:48:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 100 transitions. [2024-11-09 06:48:17,323 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 100 transitions. Word has length 151 [2024-11-09 06:48:17,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:48:17,324 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 100 transitions. [2024-11-09 06:48:17,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 06:48:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2024-11-09 06:48:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 06:48:17,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:48:17,330 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:17,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 06:48:17,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 06:48:17,531 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:48:17,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:48:17,532 INFO L85 PathProgramCache]: Analyzing trace with hash 784719170, now seen corresponding path program 1 times [2024-11-09 06:48:17,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:48:17,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978237791] [2024-11-09 06:48:17,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:17,534 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 06:48:17,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:48:17,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 06:48:17,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 06:48:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:17,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:48:17,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:48:18,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-09 06:48:18,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:48:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-09 06:48:19,499 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:48:19,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978237791] [2024-11-09 06:48:19,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978237791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:48:19,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1881873265] [2024-11-09 06:48:19,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:19,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:48:19,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:48:19,507 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:48:19,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 06:48:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:21,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 06:48:21,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:48:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-09 06:48:21,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:48:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-09 06:48:22,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1881873265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:48:22,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328319176] [2024-11-09 06:48:22,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:22,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:48:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:48:22,222 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:48:22,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:48:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:22,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:48:22,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:48:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-09 06:48:22,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:48:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-09 06:48:23,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328319176] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:48:23,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 06:48:23,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2024-11-09 06:48:23,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125755810] [2024-11-09 06:48:23,424 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 06:48:23,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 06:48:23,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:48:23,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 06:48:23,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:48:23,434 INFO L87 Difference]: Start difference. First operand 66 states and 100 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-09 06:48:24,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:48:24,991 INFO L93 Difference]: Finished difference Result 249 states and 374 transitions. [2024-11-09 06:48:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:48:24,993 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 151 [2024-11-09 06:48:24,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:48:25,001 INFO L225 Difference]: With dead ends: 249 [2024-11-09 06:48:25,002 INFO L226 Difference]: Without dead ends: 186 [2024-11-09 06:48:25,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:48:25,004 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 302 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:48:25,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 223 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 06:48:25,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-09 06:48:25,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 177. [2024-11-09 06:48:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 103 states have (on average 1.2524271844660195) internal successors, (129), 104 states have internal predecessors, (129), 69 states have call successors, (69), 4 states have call predecessors, (69), 4 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-09 06:48:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 267 transitions. [2024-11-09 06:48:25,057 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 267 transitions. Word has length 151 [2024-11-09 06:48:25,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:48:25,058 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 267 transitions. [2024-11-09 06:48:25,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-09 06:48:25,059 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 267 transitions. [2024-11-09 06:48:25,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 06:48:25,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:48:25,062 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:25,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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)] Ended with exit code 0 [2024-11-09 06:48:25,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 06:48:25,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:48:25,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 06:48:25,667 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:48:25,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:48:25,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1010927649, now seen corresponding path program 1 times [2024-11-09 06:48:25,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:48:25,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613805153] [2024-11-09 06:48:25,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:25,670 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 06:48:25,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:48:25,674 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 06:48:25,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 (6)] Waiting until timeout for monitored process [2024-11-09 06:48:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:25,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:48:25,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:48:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-09 06:48:25,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:48:26,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-09 06:48:26,308 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:48:26,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613805153] [2024-11-09 06:48:26,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613805153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:48:26,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [338016462] [2024-11-09 06:48:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:26,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:48:26,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:48:26,313 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:48:26,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 06:48:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:26,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:48:26,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:48:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-09 06:48:27,068 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:48:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-09 06:48:27,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [338016462] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:48:27,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517290924] [2024-11-09 06:48:27,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:27,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:48:27,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:48:27,315 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:48:27,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 06:48:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:27,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:48:27,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:48:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-09 06:48:27,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:48:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-09 06:48:27,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517290924] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:48:27,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 06:48:27,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2024-11-09 06:48:27,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844887900] [2024-11-09 06:48:27,821 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 06:48:27,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:48:27,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:48:27,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:48:27,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:48:27,825 INFO L87 Difference]: Start difference. First operand 177 states and 267 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-09 06:48:28,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:48:28,348 INFO L93 Difference]: Finished difference Result 251 states and 375 transitions. [2024-11-09 06:48:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:48:28,352 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 152 [2024-11-09 06:48:28,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:48:28,355 INFO L225 Difference]: With dead ends: 251 [2024-11-09 06:48:28,356 INFO L226 Difference]: Without dead ends: 142 [2024-11-09 06:48:28,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 909 GetRequests, 900 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-09 06:48:28,359 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 127 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:48:28,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 159 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:48:28,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-09 06:48:28,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 70. [2024-11-09 06:48:28,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 43 states have internal predecessors, (53), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 06:48:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 101 transitions. [2024-11-09 06:48:28,384 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 101 transitions. Word has length 152 [2024-11-09 06:48:28,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:48:28,385 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 101 transitions. [2024-11-09 06:48:28,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-09 06:48:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2024-11-09 06:48:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 06:48:28,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:48:28,390 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:28,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 (6)] Forceful destruction successful, exit code 0 [2024-11-09 06:48:28,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 06:48:28,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 06:48:28,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:48:28,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:48:28,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:48:28,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1842202135, now seen corresponding path program 1 times [2024-11-09 06:48:28,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:48:28,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183590618] [2024-11-09 06:48:28,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:48:28,994 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 06:48:28,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:48:28,998 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 06:48:29,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972735f8-d82c-48bd-8248-3c541d1c5c71/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 (9)] Waiting until timeout for monitored process [2024-11-09 06:48:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:48:29,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 06:48:29,259 INFO L278 TraceCheckSpWp]: Computing forward predicates...