./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2 --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 cc60dbcb40c1b152bb26088ff001d223dce864841f907f99b254c3b58eb0aa47 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:00,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:01,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:26:01,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:01,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:01,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:01,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:01,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:01,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:01,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:01,095 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:01,097 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:01,098 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:01,102 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:01,103 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:01,103 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:01,103 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:01,104 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:01,104 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:01,105 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:01,105 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:01,106 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:01,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:01,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:01,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:26:01,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:01,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:26:01,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:01,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:01,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:01,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:01,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:01,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:26:01,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:01,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:01,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:01,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:01,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:01,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:01,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:01,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:01,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:01,115 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:01,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:01,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:01,117 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:01,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:01,118 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_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc60dbcb40c1b152bb26088ff001d223dce864841f907f99b254c3b58eb0aa47 [2024-11-02 12:26:01,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:01,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:01,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:01,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:01,451 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:01,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i Unable to find full path for "g++" [2024-11-02 12:26:03,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:03,747 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:03,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i [2024-11-02 12:26:03,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/data/02f8b3baf/48836ea6664c49edb1ddeab55c438cb6/FLAG4373c0eff [2024-11-02 12:26:03,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/data/02f8b3baf/48836ea6664c49edb1ddeab55c438cb6 [2024-11-02 12:26:03,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:03,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:03,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:03,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:03,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:03,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:03" (1/1) ... [2024-11-02 12:26:03,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc25930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:03, skipping insertion in model container [2024-11-02 12:26:03,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:03" (1/1) ... [2024-11-02 12:26:03,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:04,059 WARN L251 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_9542f38b-10ca-478c-9e03-6f182cb1b175/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i[916,929] [2024-11-02 12:26:04,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:04,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:04,176 WARN L251 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_9542f38b-10ca-478c-9e03-6f182cb1b175/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i[916,929] [2024-11-02 12:26:04,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:04,245 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:04,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04 WrapperNode [2024-11-02 12:26:04,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:04,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:04,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:04,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:04,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,331 INFO L138 Inliner]: procedures = 30, calls = 132, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 413 [2024-11-02 12:26:04,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:04,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:04,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:04,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:04,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:04,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:04,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:04,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:04,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (1/1) ... [2024-11-02 12:26:04,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:04,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:04,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:04,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 12:26:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:26:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:26:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:26:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:26:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:26:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:04,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:04,641 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:04,644 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:05,281 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:05,282 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:05,921 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:05,921 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:26:05,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:05 BoogieIcfgContainer [2024-11-02 12:26:05,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:05,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:05,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:05,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:05,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:03" (1/3) ... [2024-11-02 12:26:05,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362d6494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:05, skipping insertion in model container [2024-11-02 12:26:05,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:04" (2/3) ... [2024-11-02 12:26:05,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362d6494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:05, skipping insertion in model container [2024-11-02 12:26:05,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:05" (3/3) ... [2024-11-02 12:26:05,930 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-78.i [2024-11-02 12:26:05,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:05,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:06,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:06,025 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;@35a5e576, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:06,026 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:26:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-02 12:26:06,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:06,040 INFO L215 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:06,040 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:06,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:06,046 INFO L85 PathProgramCache]: Analyzing trace with hash -375799891, now seen corresponding path program 1 times [2024-11-02 12:26:06,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:06,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056735689] [2024-11-02 12:26:06,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:06,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:26:07,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:26:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:26:07,733 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:26:07,735 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:26:07,737 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:26:07,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:26:07,746 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:26:07,807 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:26:07,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:26:07 BoogieIcfgContainer [2024-11-02 12:26:07,813 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:26:07,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:26:07,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:26:07,816 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:26:07,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:05" (3/4) ... [2024-11-02 12:26:07,819 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:26:07,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:26:07,822 INFO L158 Benchmark]: Toolchain (without parser) took 4038.05ms. Allocated memory was 148.9MB in the beginning and 249.6MB in the end (delta: 100.7MB). Free memory was 116.1MB in the beginning and 152.5MB in the end (delta: -36.4MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-11-02 12:26:07,823 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:26:07,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.51ms. Allocated memory is still 148.9MB. Free memory was 116.1MB in the beginning and 99.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:26:07,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.44ms. Allocated memory is still 148.9MB. Free memory was 99.3MB in the beginning and 95.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:26:07,827 INFO L158 Benchmark]: Boogie Preprocessor took 79.51ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 92.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:26:07,828 INFO L158 Benchmark]: RCFGBuilder took 1510.02ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 92.6MB in the beginning and 104.3MB in the end (delta: -11.7MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2024-11-02 12:26:07,829 INFO L158 Benchmark]: TraceAbstraction took 1889.33ms. Allocated memory was 186.6MB in the beginning and 249.6MB in the end (delta: 62.9MB). Free memory was 103.2MB in the beginning and 152.5MB in the end (delta: -49.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-11-02 12:26:07,831 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 249.6MB. Free memory was 152.5MB in the beginning and 152.5MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:26:07,834 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 148.9MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.51ms. Allocated memory is still 148.9MB. Free memory was 116.1MB in the beginning and 99.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.44ms. Allocated memory is still 148.9MB. Free memory was 99.3MB in the beginning and 95.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.51ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 92.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1510.02ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 92.6MB in the beginning and 104.3MB in the end (delta: -11.7MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1889.33ms. Allocated memory was 186.6MB in the beginning and 249.6MB in the end (delta: 62.9MB). Free memory was 103.2MB in the beginning and 152.5MB in the end (delta: -49.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 249.6MB. Free memory was 152.5MB in the beginning and 152.5MB in the end (delta: 2.7kB). 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 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L35] unsigned char isInitial = 0; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -200, 0, 1, 100.55, 4.75, 128.75, 128.5, 0.0, 127.875, 1, 16 }; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L81] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L82] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L82] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L83] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L84] WrapperStruct00.var_1_3 = __VERIFIER_nondet_uchar() [L85] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L86] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L88] EXPR WrapperStruct00.var_1_10 [L88] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L88] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) [L88] EXPR WrapperStruct00.var_1_10 [L88] EXPR WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L88] EXPR WrapperStruct00.var_1_10 [L88] EXPR WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L88] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] WrapperStruct00.var_1_11 = __VERIFIER_nondet_float() [L90] EXPR WrapperStruct00.var_1_11 [L90] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L90] EXPR WrapperStruct00.var_1_11 [L90] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L90] EXPR (WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L92] EXPR WrapperStruct00.var_1_13 [L92] EXPR WrapperStruct00.var_1_13 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 <= -1.0e-20F [L92] EXPR (WrapperStruct00.var_1_13 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) [L92] EXPR WrapperStruct00.var_1_13 [L92] EXPR WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F [L92] EXPR WrapperStruct00.var_1_13 [L92] EXPR WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F [L92] EXPR (WrapperStruct00.var_1_13 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_14 = __VERIFIER_nondet_double() [L94] EXPR WrapperStruct00.var_1_14 [L94] EXPR WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F [L94] EXPR (WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) [L94] EXPR WrapperStruct00.var_1_14 [L94] EXPR WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F [L94] EXPR WrapperStruct00.var_1_14 [L94] EXPR WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F [L94] EXPR (WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= 0.0F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] RET updateVariables() [L111] CALL step() [L52] EXPR WrapperStruct00.var_1_10 [L52] COND TRUE 0.8f > (- WrapperStruct00.var_1_10) [L53] EXPR WrapperStruct00.var_1_16 [L53] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_16 [L55] EXPR WrapperStruct00.var_1_15 [L55] EXPR WrapperStruct00.var_1_15 [L55] unsigned char stepLocal_1 = WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15; [L56] EXPR WrapperStruct00.var_1_3 [L56] unsigned char stepLocal_0 = WrapperStruct00.var_1_3; [L57] EXPR WrapperStruct00.var_1_2 [L57] COND FALSE !(WrapperStruct00.var_1_2 && stepLocal_0) [L64] WrapperStruct00.var_1_2 [L64] COND FALSE !(WrapperStruct00.var_1_2) [L67] EXPR WrapperStruct00.var_1_1 [L67] EXPR WrapperStruct00.var_1_15 [L67] COND TRUE WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15 [L68] EXPR WrapperStruct00.var_1_11 [L68] EXPR WrapperStruct00.var_1_10 [L68] EXPR ((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10) [L68] EXPR WrapperStruct00.var_1_11 [L68] EXPR ((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10) [L68] WrapperStruct00.var_1_9 = ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))) [L73] EXPR WrapperStruct00.var_1_1 [L73] signed long int stepLocal_2 = WrapperStruct00.var_1_1; [L74] COND FALSE !(stepLocal_2 <= ((((8u) < 0 ) ? -(8u) : (8u)))) [L77] EXPR WrapperStruct00.var_1_13 [L77] EXPR WrapperStruct00.var_1_14 [L77] EXPR WrapperStruct00.var_1_11 [L77] WrapperStruct00.var_1_12 = ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_11) [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR WrapperStruct00.var_1_2 [L102] EXPR WrapperStruct00.var_1_2 && WrapperStruct00.var_1_3 [L102] EXPR (WrapperStruct00.var_1_2 && WrapperStruct00.var_1_3) ? ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((signed long int) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_15 + 5) - WrapperStruct00.var_1_15)))) : 1 [L102] EXPR ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_3) ? ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((signed long int) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_15 + 5) - WrapperStruct00.var_1_15)))) : 1) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_9 == ((float) (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11))) : ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10)))) [L102] EXPR WrapperStruct00.var_1_2 [L102] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_9 == ((float) (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11))) : ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10))) [L102] EXPR WrapperStruct00.var_1_1 [L102] EXPR WrapperStruct00.var_1_15 [L102] EXPR (WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10)) [L102] EXPR WrapperStruct00.var_1_9 [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR WrapperStruct00.var_1_10 [L102] EXPR ((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10) [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR ((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10) [L102] EXPR (WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10)) [L102] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_9 == ((float) (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11))) : ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10))) [L102] EXPR ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_3) ? ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((signed long int) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_15 + 5) - WrapperStruct00.var_1_15)))) : 1) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_9 == ((float) (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11))) : ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10)))) [L102] EXPR (((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_3) ? ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((signed long int) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_15 + 5) - WrapperStruct00.var_1_15)))) : 1) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_9 == ((float) (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11))) : ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10))))) && ((WrapperStruct00.var_1_1 <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_10 - 99.5))) : (WrapperStruct00.var_1_12 == ((double) ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_11)))) [L102] EXPR WrapperStruct00.var_1_1 [L102] EXPR (WrapperStruct00.var_1_1 <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_10 - 99.5))) : (WrapperStruct00.var_1_12 == ((double) ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_11))) [L102] EXPR WrapperStruct00.var_1_12 [L102] EXPR WrapperStruct00.var_1_13 [L102] EXPR WrapperStruct00.var_1_14 [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR (WrapperStruct00.var_1_1 <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_10 - 99.5))) : (WrapperStruct00.var_1_12 == ((double) ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_11))) [L102] EXPR (((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_3) ? ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((signed long int) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_15 + 5) - WrapperStruct00.var_1_15)))) : 1) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_9 == ((float) (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11))) : ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10))))) && ((WrapperStruct00.var_1_1 <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_10 - 99.5))) : (WrapperStruct00.var_1_12 == ((double) ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_11)))) [L102] EXPR ((((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_3) ? ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((signed long int) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_15 + 5) - WrapperStruct00.var_1_15)))) : 1) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_9 == ((float) (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11))) : ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10))))) && ((WrapperStruct00.var_1_1 <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_10 - 99.5))) : (WrapperStruct00.var_1_12 == ((double) ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_11))))) && ((0.8f > (- WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_15 == ((unsigned char) WrapperStruct00.var_1_16)) : 1) [L102-L103] return ((((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_3) ? ((WrapperStruct00.var_1_2 && (WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((signed long int) (WrapperStruct00.var_1_15 - WrapperStruct00.var_1_15))) : (WrapperStruct00.var_1_1 == ((signed long int) ((WrapperStruct00.var_1_15 + 5) - WrapperStruct00.var_1_15)))) : 1) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_9 == ((float) (WrapperStruct00.var_1_10 - WrapperStruct00.var_1_11))) : ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_9 == ((float) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : (WrapperStruct00.var_1_9 == ((float) WrapperStruct00.var_1_10))))) && ((WrapperStruct00.var_1_1 <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_10 - 99.5))) : (WrapperStruct00.var_1_12 == ((double) ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14) - WrapperStruct00.var_1_11))))) && ((0.8f > (- WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_15 == ((unsigned char) WrapperStruct00.var_1_16)) : 1) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 10, 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=29occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 1 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 [2024-11-02 12:26:07,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2 --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 cc60dbcb40c1b152bb26088ff001d223dce864841f907f99b254c3b58eb0aa47 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:10,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:10,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:26:10,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:10,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:10,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:10,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:10,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:10,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:10,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:10,934 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:10,934 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:10,935 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:10,935 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:10,935 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:10,936 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:10,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:10,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:10,937 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:26:10,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:26:10,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:10,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:10,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:10,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:10,940 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:26:10,940 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:26:10,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:10,940 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:26:10,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:26:10,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:10,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:10,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:10,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:26:10,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:10,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:10,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:10,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:10,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:10,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:10,945 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:26:10,945 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:26:10,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:10,946 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:10,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:10,958 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc60dbcb40c1b152bb26088ff001d223dce864841f907f99b254c3b58eb0aa47 [2024-11-02 12:26:11,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:11,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:11,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:11,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:11,420 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:11,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i Unable to find full path for "g++" [2024-11-02 12:26:13,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:13,958 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:13,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i [2024-11-02 12:26:13,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/data/a97f7012c/d52f71c3aea1425c9ce08e805b536c47/FLAG288d6979c [2024-11-02 12:26:14,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/data/a97f7012c/d52f71c3aea1425c9ce08e805b536c47 [2024-11-02 12:26:14,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:14,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:14,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:14,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:14,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:14,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d13a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14, skipping insertion in model container [2024-11-02 12:26:14,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:14,661 WARN L251 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_9542f38b-10ca-478c-9e03-6f182cb1b175/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i[916,929] [2024-11-02 12:26:14,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:14,813 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:14,827 WARN L251 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_9542f38b-10ca-478c-9e03-6f182cb1b175/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-78.i[916,929] [2024-11-02 12:26:14,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:14,926 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:14,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14 WrapperNode [2024-11-02 12:26:14,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:14,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:14,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:14,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:14,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:14,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,092 INFO L138 Inliner]: procedures = 37, calls = 132, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 412 [2024-11-02 12:26:15,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:15,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:15,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:15,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:15,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:15,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:15,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:15,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:15,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (1/1) ... [2024-11-02 12:26:15,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:15,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:15,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:15,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-02 12:26:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-02 12:26:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-02 12:26:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:26:15,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:26:15,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-02 12:26:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:26:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-02 12:26:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-02 12:26:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-02 12:26:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-02 12:26:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:26:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:26:15,378 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:15,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:17,449 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:17,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:17,468 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:17,469 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:26:17,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:17 BoogieIcfgContainer [2024-11-02 12:26:17,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:17,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:17,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:17,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:17,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:14" (1/3) ... [2024-11-02 12:26:17,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28478568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:17, skipping insertion in model container [2024-11-02 12:26:17,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:14" (2/3) ... [2024-11-02 12:26:17,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28478568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:17, skipping insertion in model container [2024-11-02 12:26:17,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:17" (3/3) ... [2024-11-02 12:26:17,482 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-78.i [2024-11-02 12:26:17,503 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:17,504 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:17,565 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:17,573 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;@3d2e5f59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:17,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:26:17,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-02 12:26:17,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:17,592 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:17,593 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:17,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:17,600 INFO L85 PathProgramCache]: Analyzing trace with hash -438494555, now seen corresponding path program 1 times [2024-11-02 12:26:17,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:17,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495250928] [2024-11-02 12:26:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:17,618 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 [2024-11-02 12:26:17,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:17,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:17,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:18,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:26:18,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-02 12:26:18,263 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:18,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495250928] [2024-11-02 12:26:18,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495250928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:18,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:18,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:26:18,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459511179] [2024-11-02 12:26:18,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:18,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:26:18,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:18,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:26:18,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:26:18,331 INFO L87 Difference]: Start difference. First operand has 93 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-02 12:26:18,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:18,375 INFO L93 Difference]: Finished difference Result 179 states and 276 transitions. [2024-11-02 12:26:18,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:26:18,378 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2024-11-02 12:26:18,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:18,386 INFO L225 Difference]: With dead ends: 179 [2024-11-02 12:26:18,386 INFO L226 Difference]: Without dead ends: 89 [2024-11-02 12:26:18,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:26:18,396 INFO L432 NwaCegarLoop]: 129 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, 129 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 [2024-11-02 12:26:18,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:26:18,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-02 12:26:18,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-02 12:26:18,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:26:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 129 transitions. [2024-11-02 12:26:18,482 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 129 transitions. Word has length 98 [2024-11-02 12:26:18,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:18,487 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 129 transitions. [2024-11-02 12:26:18,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-02 12:26:18,487 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2024-11-02 12:26:18,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-02 12:26:18,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:18,497 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:18,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:18,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:18,701 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:18,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:18,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1706018639, now seen corresponding path program 1 times [2024-11-02 12:26:18,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:18,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503027015] [2024-11-02 12:26:18,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:18,709 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 [2024-11-02 12:26:18,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:18,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:18,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:19,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:26:19,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-02 12:26:19,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:19,295 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:19,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503027015] [2024-11-02 12:26:19,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503027015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:19,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:19,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:26:19,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220112057] [2024-11-02 12:26:19,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:19,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:26:19,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:19,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:26:19,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:26:19,303 INFO L87 Difference]: Start difference. First operand 89 states and 129 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-02 12:26:19,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:19,444 INFO L93 Difference]: Finished difference Result 177 states and 258 transitions. [2024-11-02 12:26:19,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:26:19,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2024-11-02 12:26:19,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:19,450 INFO L225 Difference]: With dead ends: 177 [2024-11-02 12:26:19,450 INFO L226 Difference]: Without dead ends: 91 [2024-11-02 12:26:19,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:26:19,452 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:19,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:26:19,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-02 12:26:19,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-02 12:26:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 79 states have internal predecessors, (111), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:26:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2024-11-02 12:26:19,474 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 98 [2024-11-02 12:26:19,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:19,476 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2024-11-02 12:26:19,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-02 12:26:19,476 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2024-11-02 12:26:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-02 12:26:19,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:19,479 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:19,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:19,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:19,680 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:19,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:19,681 INFO L85 PathProgramCache]: Analyzing trace with hash 322567471, now seen corresponding path program 1 times [2024-11-02 12:26:19,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:19,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877742390] [2024-11-02 12:26:19,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:19,686 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 [2024-11-02 12:26:19,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:19,689 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:19,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 (4)] Waiting until timeout for monitored process [2024-11-02 12:26:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:20,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:26:20,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-02 12:26:20,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:20,211 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:20,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877742390] [2024-11-02 12:26:20,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877742390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:20,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:20,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:26:20,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166366302] [2024-11-02 12:26:20,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:20,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:26:20,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:20,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:26:20,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:26:20,215 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 12:26:20,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:20,303 INFO L93 Difference]: Finished difference Result 181 states and 262 transitions. [2024-11-02 12:26:20,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:26:20,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 98 [2024-11-02 12:26:20,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:20,309 INFO L225 Difference]: With dead ends: 181 [2024-11-02 12:26:20,311 INFO L226 Difference]: Without dead ends: 93 [2024-11-02 12:26:20,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:26:20,315 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:20,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:26:20,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-02 12:26:20,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-02 12:26:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 81 states have internal predecessors, (113), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:26:20,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 133 transitions. [2024-11-02 12:26:20,337 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 133 transitions. Word has length 98 [2024-11-02 12:26:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:20,339 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 133 transitions. [2024-11-02 12:26:20,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 12:26:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2024-11-02 12:26:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-02 12:26:20,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:20,346 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:20,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 (4)] Forceful destruction successful, exit code 0 [2024-11-02 12:26:20,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:20,547 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:20,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:20,548 INFO L85 PathProgramCache]: Analyzing trace with hash -561605494, now seen corresponding path program 1 times [2024-11-02 12:26:20,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:20,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559551325] [2024-11-02 12:26:20,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:20,549 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 [2024-11-02 12:26:20,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:20,553 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:20,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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)] Waiting until timeout for monitored process [2024-11-02 12:26:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:21,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:26:21,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-02 12:26:21,244 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:21,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:21,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559551325] [2024-11-02 12:26:21,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559551325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:21,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:21,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:21,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564961876] [2024-11-02 12:26:21,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:21,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:26:21,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:21,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:26:21,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:26:21,248 INFO L87 Difference]: Start difference. First operand 93 states and 133 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 12:26:25,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:26:27,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:26:30,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:26:31,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:31,123 INFO L93 Difference]: Finished difference Result 208 states and 296 transitions. [2024-11-02 12:26:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:26:31,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 100 [2024-11-02 12:26:31,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:31,126 INFO L225 Difference]: With dead ends: 208 [2024-11-02 12:26:31,126 INFO L226 Difference]: Without dead ends: 118 [2024-11-02 12:26:31,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:26:31,128 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 30 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:31,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 407 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2024-11-02 12:26:31,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-02 12:26:31,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 97. [2024-11-02 12:26:31,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:26:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2024-11-02 12:26:31,137 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 100 [2024-11-02 12:26:31,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:31,137 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2024-11-02 12:26:31,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 12:26:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2024-11-02 12:26:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-02 12:26:31,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:31,139 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:31,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 12:26:31,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:31,340 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:31,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:31,341 INFO L85 PathProgramCache]: Analyzing trace with hash 449511756, now seen corresponding path program 1 times [2024-11-02 12:26:31,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:31,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390980960] [2024-11-02 12:26:31,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:31,342 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 [2024-11-02 12:26:31,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:31,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:31,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:31,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:26:31,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:32,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-02 12:26:32,136 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-02 12:26:32,136 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:32,136 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:32,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390980960] [2024-11-02 12:26:32,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390980960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:32,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:32,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:32,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095718610] [2024-11-02 12:26:32,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:32,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:32,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:32,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:32,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:32,141 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-02 12:26:35,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:26:37,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:26:37,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:37,198 INFO L93 Difference]: Finished difference Result 192 states and 272 transitions. [2024-11-02 12:26:37,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:26:37,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2024-11-02 12:26:37,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:37,201 INFO L225 Difference]: With dead ends: 192 [2024-11-02 12:26:37,201 INFO L226 Difference]: Without dead ends: 98 [2024-11-02 12:26:37,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:26:37,203 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 109 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:37,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 344 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-02 12:26:37,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-02 12:26:37,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-02 12:26:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:26:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2024-11-02 12:26:37,212 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 100 [2024-11-02 12:26:37,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:37,213 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2024-11-02 12:26:37,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-02 12:26:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2024-11-02 12:26:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-02 12:26:37,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:37,215 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:37,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 12:26:37,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:26:37,416 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:37,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:37,417 INFO L85 PathProgramCache]: Analyzing trace with hash -444122800, now seen corresponding path program 1 times [2024-11-02 12:26:37,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:37,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196862244] [2024-11-02 12:26:37,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:37,417 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 [2024-11-02 12:26:37,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:37,418 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:26:37,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-02 12:26:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:37,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:26:37,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-02 12:26:37,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:37,935 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:37,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196862244] [2024-11-02 12:26:37,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196862244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:37,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:37,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:26:37,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646090334] [2024-11-02 12:26:37,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:37,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:37,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:37,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:37,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:37,937 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-02 12:26:38,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:38,243 INFO L93 Difference]: Finished difference Result 195 states and 274 transitions. [2024-11-02 12:26:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:26:38,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 102 [2024-11-02 12:26:38,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:38,246 INFO L225 Difference]: With dead ends: 195 [2024-11-02 12:26:38,246 INFO L226 Difference]: Without dead ends: 99 [2024-11-02 12:26:38,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:26:38,247 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:38,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 543 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:26:38,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-02 12:26:38,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2024-11-02 12:26:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:26:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 135 transitions. [2024-11-02 12:26:38,257 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 135 transitions. Word has length 102 [2024-11-02 12:26:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:38,257 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 135 transitions. [2024-11-02 12:26:38,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-02 12:26:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2024-11-02 12:26:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-02 12:26:38,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:38,260 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:38,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9542f38b-10ca-478c-9e03-6f182cb1b175/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0