./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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 62ea2a992a63f62694d044d93223d6b697490145b70f7277a2bce759d06cac7e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:02:33,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:02:33,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:02:33,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:02:33,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:02:33,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:02:33,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:02:33,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:02:33,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:02:33,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:02:33,239 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:02:33,239 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:02:33,240 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:02:33,240 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:02:33,241 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:02:33,241 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:02:33,241 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:02:33,242 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:02:33,242 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:02:33,242 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:02:33,243 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:02:33,248 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:02:33,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:02:33,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:02:33,249 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:02:33,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:02:33,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:02:33,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:02:33,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:02:33,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:02:33,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:02:33,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:02:33,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:02:33,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:02:33,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:02:33,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:02:33,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:02:33,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:02:33,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:02:33,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:02:33,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:02:33,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:02:33,259 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:02:33,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:02:33,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:02:33,259 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:02:33,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:02:33,260 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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62ea2a992a63f62694d044d93223d6b697490145b70f7277a2bce759d06cac7e [2024-11-09 05:02:33,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:02:33,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:02:33,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:02:33,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:02:33,595 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:02:33,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i Unable to find full path for "g++" [2024-11-09 05:02:35,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:02:35,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:02:35,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i [2024-11-09 05:02:35,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/data/cc2e9ad33/483a1dfc31454db8b35e8fe2fd8fb19a/FLAG6da7f3e7b [2024-11-09 05:02:35,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/data/cc2e9ad33/483a1dfc31454db8b35e8fe2fd8fb19a [2024-11-09 05:02:35,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:02:35,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:02:35,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:02:35,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:02:35,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:02:35,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:02:35" (1/1) ... [2024-11-09 05:02:35,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26508aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:35, skipping insertion in model container [2024-11-09 05:02:35,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:02:35" (1/1) ... [2024-11-09 05:02:36,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:02:36,206 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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i[916,929] [2024-11-09 05:02:36,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:02:36,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:02:36,287 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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i[916,929] [2024-11-09 05:02:36,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:02:36,339 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:02:36,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36 WrapperNode [2024-11-09 05:02:36,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:02:36,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:02:36,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:02:36,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:02:36,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,400 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-11-09 05:02:36,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:02:36,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:02:36,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:02:36,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:02:36,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:02:36,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:02:36,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:02:36,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:02:36,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (1/1) ... [2024-11-09 05:02:36,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:02:36,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:02:36,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:02:36,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:02:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:02:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:02:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:02:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:02:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:02:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:02:36,587 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:02:36,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:02:36,969 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 05:02:36,969 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:02:37,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:02:37,110 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:02:37,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:02:37 BoogieIcfgContainer [2024-11-09 05:02:37,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:02:37,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:02:37,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:02:37,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:02:37,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:02:35" (1/3) ... [2024-11-09 05:02:37,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6903314d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:02:37, skipping insertion in model container [2024-11-09 05:02:37,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:36" (2/3) ... [2024-11-09 05:02:37,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6903314d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:02:37, skipping insertion in model container [2024-11-09 05:02:37,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:02:37" (3/3) ... [2024-11-09 05:02:37,125 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-6.i [2024-11-09 05:02:37,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:02:37,144 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:02:37,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:02:37,210 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;@27617b45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:02:37,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:02:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 05:02:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 05:02:37,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:37,224 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:02:37,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:37,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:37,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1127828719, now seen corresponding path program 1 times [2024-11-09 05:02:37,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:37,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483177840] [2024-11-09 05:02:37,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:37,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:02:37,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029627358] [2024-11-09 05:02:37,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:37,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:02:37,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:02:37,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:02:37,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:02:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:02:37,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:02:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:02:37,831 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:02:37,834 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:02:37,836 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:02:37,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:02:38,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:02:38,042 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:02:38,146 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:02:38,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:02:38 BoogieIcfgContainer [2024-11-09 05:02:38,154 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:02:38,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:02:38,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:02:38,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:02:38,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:02:37" (3/4) ... [2024-11-09 05:02:38,161 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:02:38,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:02:38,165 INFO L158 Benchmark]: Toolchain (without parser) took 2189.62ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 76.5MB in the end (delta: 46.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-11-09 05:02:38,165 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:02:38,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.53ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 107.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:02:38,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.30ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 105.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:02:38,169 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 165.7MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:02:38,169 INFO L158 Benchmark]: RCFGBuilder took 678.59ms. Allocated memory is still 165.7MB. Free memory was 103.1MB in the beginning and 116.4MB in the end (delta: -13.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-09 05:02:38,171 INFO L158 Benchmark]: TraceAbstraction took 1040.94ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 76.5MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 05:02:38,172 INFO L158 Benchmark]: Witness Printer took 8.56ms. Allocated memory is still 165.7MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:02:38,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.53ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 107.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.30ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 105.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 165.7MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 678.59ms. Allocated memory is still 165.7MB. Free memory was 103.1MB in the beginning and 116.4MB in the end (delta: -13.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1040.94ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 76.5MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 8.56ms. Allocated memory is still 165.7MB. Free memory is still 76.5MB. 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 117, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 100.25; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 8; [L25] unsigned char var_1_4 = 0; [L26] double var_1_5 = 1.9; [L27] double var_1_6 = 7.5; [L28] double var_1_7 = 64.25; [L29] signed long int var_1_8 = 2; [L30] signed long int var_1_9 = 1000000000; [L31] signed long int var_1_10 = 1000000000; [L32] signed long int var_1_11 = 1957998270; [L33] float var_1_12 = 50.25; [L34] float var_1_13 = 9.8; [L35] float var_1_14 = 25.5; [L36] float var_1_15 = 3.5; [L37] signed long int var_1_16 = -500; [L38] unsigned char var_1_17 = 1; [L39] unsigned char var_1_18 = 1; [L40] unsigned char var_1_19 = 0; [L121] isInitial = 1 [L122] FCALL initially() [L123] COND TRUE 1 [L124] FCALL updateLastVariables() [L125] CALL updateVariables() [L82] var_1_2 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L84] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L85] var_1_3 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L87] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L90] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L91] var_1_5 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L93] var_1_6 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L95] var_1_7 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1000000000] [L97] var_1_9 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_9 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_9 >= 536870911) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L99] CALL assume_abort_if_not(var_1_9 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_9 <= 1073741823) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L100] var_1_10 = __VERIFIER_nondet_long() [L101] CALL assume_abort_if_not(var_1_10 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_10 >= 536870911) VAL [isInitial=1, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L102] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, var_1_10=536870911, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L103] var_1_11 = __VERIFIER_nondet_long() [L104] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L105] CALL assume_abort_if_not(var_1_11 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_11 <= 2147483646) VAL [isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L106] var_1_14 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L108] var_1_15 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L110] var_1_18 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L112] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=1, var_1_8=2, var_1_9=1073741822] [L125] RET updateVariables() [L126] CALL step() [L44] unsigned char stepLocal_0 = var_1_4; [L45] COND TRUE \read(var_1_2) [L46] COND TRUE var_1_3 >= stepLocal_0 [L47] var_1_1 = (var_1_5 + var_1_6) [L54] var_1_8 = (((var_1_9 + var_1_10) - var_1_3) - (var_1_11 - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) [L55] signed long int stepLocal_1 = (((var_1_3) < (var_1_9)) ? (var_1_3) : (var_1_9)); [L56] COND TRUE stepLocal_1 >= (var_1_4 - var_1_11) [L57] var_1_12 = var_1_7 [L59] signed long int stepLocal_2 = var_1_8; [L60] COND TRUE stepLocal_2 < var_1_11 [L61] var_1_13 = ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f) [L65] COND TRUE (((((- var_1_15)) > ((var_1_13 * var_1_6))) ? ((- var_1_15)) : ((var_1_13 * var_1_6)))) < var_1_5 [L66] COND TRUE var_1_11 != ((((var_1_8) < (var_1_10)) ? (var_1_8) : (var_1_10))) [L67] COND TRUE \read(var_1_2) [L68] var_1_16 = var_1_3 [L72] var_1_17 = (((var_1_3 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18) [L73] COND TRUE \read(var_1_17) [L74] COND TRUE var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (var_1_13 * 63.375)) [L75] var_1_19 = var_1_18 [L126] RET step() [L127] CALL, EXPR property() [L117-L118] return ((((((var_1_2 ? ((var_1_3 >= var_1_4) ? (var_1_1 == ((double) (var_1_5 + var_1_6))) : (var_1_1 == ((double) (4.125 - var_1_7)))) : (var_1_1 == ((double) var_1_5))) && (var_1_8 == ((signed long int) (((var_1_9 + var_1_10) - var_1_3) - (var_1_11 - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) && ((((((var_1_3) < (var_1_9)) ? (var_1_3) : (var_1_9))) >= (var_1_4 - var_1_11)) ? (var_1_12 == ((float) var_1_7)) : 1)) && ((var_1_8 < var_1_11) ? (var_1_13 == ((float) ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f))) : (var_1_13 == ((float) (var_1_15 + ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))))))) && (((((((- var_1_15)) > ((var_1_13 * var_1_6))) ? ((- var_1_15)) : ((var_1_13 * var_1_6)))) < var_1_5) ? ((var_1_11 != ((((var_1_8) < (var_1_10)) ? (var_1_8) : (var_1_10)))) ? (var_1_2 ? (var_1_16 == ((signed long int) var_1_3)) : 1) : 1) : 1)) && (var_1_17 == ((unsigned char) (((var_1_3 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18)))) && (var_1_17 ? ((var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (var_1_13 * 63.375))) ? (var_1_19 == ((unsigned char) var_1_18)) : 1) : (var_1_19 == ((unsigned char) var_1_18))) ; [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=2, var_1_16=118, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=1, var_1_3=118, var_1_4=118, var_1_5=0, var_1_7=2, var_1_8=536870910, var_1_9=1073741822] [L19] reach_error() VAL [isInitial=1, var_1_10=536870911, var_1_11=1073741823, var_1_12=2, var_1_16=118, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=0, var_1_2=1, var_1_3=118, var_1_4=118, var_1_5=0, var_1_7=2, var_1_8=536870910, var_1_9=1073741822] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:02:38,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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 62ea2a992a63f62694d044d93223d6b697490145b70f7277a2bce759d06cac7e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:02:40,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:02:40,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:02:40,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:02:40,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:02:40,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:02:40,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:02:40,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:02:40,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:02:40,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:02:40,778 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:02:40,779 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:02:40,779 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:02:40,779 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:02:40,780 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:02:40,780 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:02:40,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:02:40,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:02:40,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:02:40,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:02:40,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:02:40,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:02:40,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:02:40,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:02:40,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:02:40,787 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:02:40,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:02:40,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:02:40,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:02:40,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:02:40,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:02:40,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:02:40,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:02:40,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:02:40,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:02:40,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:02:40,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:02:40,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:02:40,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:02:40,793 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:02:40,794 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:02:40,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:02:40,794 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:02:40,796 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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62ea2a992a63f62694d044d93223d6b697490145b70f7277a2bce759d06cac7e [2024-11-09 05:02:41,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:02:41,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:02:41,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:02:41,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:02:41,251 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:02:41,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i Unable to find full path for "g++" [2024-11-09 05:02:43,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:02:43,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:02:43,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i [2024-11-09 05:02:43,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/data/652297a4c/6af15c38615a4250b61c144a0c326cd9/FLAG1dedd7ada [2024-11-09 05:02:43,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/data/652297a4c/6af15c38615a4250b61c144a0c326cd9 [2024-11-09 05:02:43,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:02:43,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:02:43,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:02:43,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:02:43,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:02:43,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:02:43" (1/1) ... [2024-11-09 05:02:43,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e0381b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:43, skipping insertion in model container [2024-11-09 05:02:43,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:02:43" (1/1) ... [2024-11-09 05:02:43,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:02:43,947 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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i[916,929] [2024-11-09 05:02:44,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:02:44,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:02:44,087 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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i[916,929] [2024-11-09 05:02:44,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:02:44,187 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:02:44,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44 WrapperNode [2024-11-09 05:02:44,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:02:44,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:02:44,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:02:44,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:02:44,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,241 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-09 05:02:44,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:02:44,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:02:44,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:02:44,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:02:44,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:02:44,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:02:44,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:02:44,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:02:44,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (1/1) ... [2024-11-09 05:02:44,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:02:44,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:02:44,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:02:44,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:02:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:02:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:02:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:02:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:02:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:02:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:02:44,495 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:02:44,497 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:02:56,714 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 05:02:56,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:02:56,733 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:02:56,735 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:02:56,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:02:56 BoogieIcfgContainer [2024-11-09 05:02:56,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:02:56,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:02:56,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:02:56,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:02:56,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:02:43" (1/3) ... [2024-11-09 05:02:56,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb6c5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:02:56, skipping insertion in model container [2024-11-09 05:02:56,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:02:44" (2/3) ... [2024-11-09 05:02:56,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb6c5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:02:56, skipping insertion in model container [2024-11-09 05:02:56,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:02:56" (3/3) ... [2024-11-09 05:02:56,761 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-6.i [2024-11-09 05:02:56,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:02:56,780 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:02:56,848 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:02:56,855 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;@775e79ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:02:56,856 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:02:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 05:02:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 05:02:56,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:56,873 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:02:56,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:56,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:56,880 INFO L85 PathProgramCache]: Analyzing trace with hash -66702788, now seen corresponding path program 1 times [2024-11-09 05:02:56,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:02:56,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346336819] [2024-11-09 05:02:56,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:56,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:02:56,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:02:56,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:02:56,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 05:02:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:58,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:02:58,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:02:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-09 05:02:58,127 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:02:58,127 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:02:58,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346336819] [2024-11-09 05:02:58,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346336819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:58,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:02:58,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:02:58,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221617837] [2024-11-09 05:02:58,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:58,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:02:58,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:02:58,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:02:58,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:02:58,167 INFO L87 Difference]: Start difference. First operand has 62 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:02:58,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:58,206 INFO L93 Difference]: Finished difference Result 117 states and 197 transitions. [2024-11-09 05:02:58,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:02:58,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-11-09 05:02:58,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:58,221 INFO L225 Difference]: With dead ends: 117 [2024-11-09 05:02:58,222 INFO L226 Difference]: Without dead ends: 58 [2024-11-09 05:02:58,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:02:58,231 INFO L432 NwaCegarLoop]: 85 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, 85 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:58,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:02:58,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-09 05:02:58,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-09 05:02:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 05:02:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-11-09 05:02:58,295 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 124 [2024-11-09 05:02:58,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:58,296 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-11-09 05:02:58,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:02:58,298 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-11-09 05:02:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 05:02:58,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:58,321 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:02:58,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:02:58,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:02:58,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:02:58,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:58,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1489488838, now seen corresponding path program 1 times [2024-11-09 05:02:58,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:02:58,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065257494] [2024-11-09 05:02:58,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:58,524 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:02:58,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:02:58,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:02:58,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 05:02:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:59,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:02:59,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-09 05:03:00,549 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 05:03:02,248 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:03:02,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065257494] [2024-11-09 05:03:02,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065257494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:03:02,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [9452450] [2024-11-09 05:03:02,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:02,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:03:02,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:03:02,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:03:02,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:03:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:03,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:03:03,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-09 05:03:04,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-09 05:03:05,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [9452450] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:03:05,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559297377] [2024-11-09 05:03:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:05,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:05,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:05,794 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:03:05,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:03:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:06,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:03:06,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:07,737 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-09 05:03:07,737 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:03:07,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559297377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:07,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-09 05:03:07,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 6, 6, 6] total 12 [2024-11-09 05:03:07,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599464649] [2024-11-09 05:03:07,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:07,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 05:03:07,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:03:07,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 05:03:07,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:03:07,744 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:03:12,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:14,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:16,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:18,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:20,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:22,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:24,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:26,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:28,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:30,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:30,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:30,467 INFO L93 Difference]: Finished difference Result 123 states and 175 transitions. [2024-11-09 05:03:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 05:03:30,550 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-11-09 05:03:30,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:30,552 INFO L225 Difference]: With dead ends: 123 [2024-11-09 05:03:30,552 INFO L226 Difference]: Without dead ends: 68 [2024-11-09 05:03:30,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 604 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:03:30,555 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 125 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 117 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:30,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 180 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 151 Invalid, 9 Unknown, 0 Unchecked, 21.8s Time] [2024-11-09 05:03:30,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-09 05:03:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2024-11-09 05:03:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 43 states have internal predecessors, (52), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 05:03:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 90 transitions. [2024-11-09 05:03:30,572 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 90 transitions. Word has length 124 [2024-11-09 05:03:30,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:30,572 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 90 transitions. [2024-11-09 05:03:30,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 05:03:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2024-11-09 05:03:30,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 05:03:30,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:30,576 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:30,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:30,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:30,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:03:31,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:03:31,177 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:03:31,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:31,178 INFO L85 PathProgramCache]: Analyzing trace with hash 834926007, now seen corresponding path program 1 times [2024-11-09 05:03:31,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:03:31,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113437414] [2024-11-09 05:03:31,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:31,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:03:31,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:03:31,182 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:03:31,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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 05:03:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:32,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:03:32,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 437 proven. 39 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-09 05:03:34,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:35,497 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:03:35,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113437414] [2024-11-09 05:03:35,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113437414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:35,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1429955909] [2024-11-09 05:03:35,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:35,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:03:35,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:03:35,505 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:03:35,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 05:03:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:37,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:03:37,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 428 proven. 57 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-09 05:03:40,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:41,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1429955909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:41,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994316009] [2024-11-09 05:03:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:41,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:03:41,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:03:41,407 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:03:41,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:03:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:43,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 05:03:43,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:03:46,362 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 428 proven. 57 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-09 05:03:46,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:03:46,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994316009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:03:46,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:03:46,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 13 [2024-11-09 05:03:46,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101634688] [2024-11-09 05:03:46,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:03:46,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 05:03:46,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:03:46,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 05:03:46,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-09 05:03:46,809 INFO L87 Difference]: Start difference. First operand 66 states and 90 transitions. Second operand has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 5 states have call successors, (27), 5 states have call predecessors, (27), 8 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-09 05:03:52,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:54,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:55,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:58,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:04:00,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:04:02,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:04:04,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:04:06,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:04:08,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:04:10,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:04:12,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:04:12,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:12,540 INFO L93 Difference]: Finished difference Result 143 states and 188 transitions. [2024-11-09 05:04:12,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:04:12,665 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 5 states have call successors, (27), 5 states have call predecessors, (27), 8 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 125 [2024-11-09 05:04:12,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:12,667 INFO L225 Difference]: With dead ends: 143 [2024-11-09 05:04:12,667 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 05:04:12,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-11-09 05:04:12,669 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 110 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 49 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:12,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 169 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 181 Invalid, 10 Unknown, 0 Unchecked, 25.2s Time] [2024-11-09 05:04:12,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 05:04:12,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2024-11-09 05:04:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 05:04:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 98 transitions. [2024-11-09 05:04:12,684 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 98 transitions. Word has length 125 [2024-11-09 05:04:12,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:12,685 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 98 transitions. [2024-11-09 05:04:12,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 5 states have call successors, (27), 5 states have call predecessors, (27), 8 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-09 05:04:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions. [2024-11-09 05:04:12,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 05:04:12,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:12,688 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:04:12,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 05:04:12,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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 05:04:13,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 05:04:13,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:04:13,289 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:04:13,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:13,290 INFO L85 PathProgramCache]: Analyzing trace with hash 133861429, now seen corresponding path program 1 times [2024-11-09 05:04:13,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:04:13,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847229933] [2024-11-09 05:04:13,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:13,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:04:13,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:04:13,292 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:04:13,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f8ec84-0938-49ff-b5dd-702286f6b5d4/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 05:04:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:15,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 05:04:15,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:06:14,349 WARN L286 SmtUtils]: Spent 26.11s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:07:57,769 WARN L286 SmtUtils]: Spent 24.43s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:10:12,002 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (bvsge c_~var_1_9~0 (_ bv536870911 32)) (= c_~var_1_19~0 c_~var_1_18~0) (= c_~var_1_8~0 (bvadd c_~var_1_10~0 (bvneg ((_ zero_extend 24) c_~var_1_3~0)) c_~var_1_9~0 (bvneg (bvadd c_~var_1_11~0 (bvneg ((_ zero_extend 24) c_~var_1_4~0)))))) (bvsge c_~var_1_11~0 (_ bv1073741823 32)) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (= (_ bv1 8) c_~var_1_17~0) (bvsle c_~var_1_10~0 (_ bv1073741823 32)) (= (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 7386826171811256300.0) (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0)) ((_ to_fp 8 24) c_currentRoundingMode (/ 27.0 5.0))) c_~var_1_13~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))) (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (fp.geq c_~var_1_7~0 .cse2) (bvslt c_~var_1_8~0 c_~var_1_11~0) (let ((.cse3 (fp.lt c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse4 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 507.0 8.0))))) (or (and .cse3 (fp.gt c_~var_1_7~0 (fp.mul c_currentRoundingMode (fp.neg c_~var_1_5~0) .cse4))) (and (not .cse3) (fp.gt c_~var_1_7~0 (fp.mul c_currentRoundingMode c_~var_1_5~0 .cse4))))) (= c_~var_1_5~0 c_~var_1_1~0) (bvsle c_~var_1_9~0 (_ bv1073741823 32)) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge c_~var_1_10~0 (_ bv536870911 32)) (= (_ bv0 8) c_~var_1_2~0)))) is different from false [2024-11-09 05:10:14,069 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (bvsge c_~var_1_9~0 (_ bv536870911 32)) (= c_~var_1_19~0 c_~var_1_18~0) (= c_~var_1_8~0 (bvadd c_~var_1_10~0 (bvneg ((_ zero_extend 24) c_~var_1_3~0)) c_~var_1_9~0 (bvneg (bvadd c_~var_1_11~0 (bvneg ((_ zero_extend 24) c_~var_1_4~0)))))) (bvsge c_~var_1_11~0 (_ bv1073741823 32)) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (= (_ bv1 8) c_~var_1_17~0) (bvsle c_~var_1_10~0 (_ bv1073741823 32)) (= (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 7386826171811256300.0) (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0)) ((_ to_fp 8 24) c_currentRoundingMode (/ 27.0 5.0))) c_~var_1_13~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))) (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (fp.geq c_~var_1_7~0 .cse2) (bvslt c_~var_1_8~0 c_~var_1_11~0) (let ((.cse3 (fp.lt c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse4 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 507.0 8.0))))) (or (and .cse3 (fp.gt c_~var_1_7~0 (fp.mul c_currentRoundingMode (fp.neg c_~var_1_5~0) .cse4))) (and (not .cse3) (fp.gt c_~var_1_7~0 (fp.mul c_currentRoundingMode c_~var_1_5~0 .cse4))))) (= c_~var_1_5~0 c_~var_1_1~0) (bvsle c_~var_1_9~0 (_ bv1073741823 32)) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge c_~var_1_10~0 (_ bv536870911 32)) (= (_ bv0 8) c_~var_1_2~0)))) is different from true