./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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_39768265-71d8-43c1-960a-95fed944d1a6/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 aa8cc58df8fe09b61997a2de9d9c5e7a83d2492c15b287abd5439e2c29784fc7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:25,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:26,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:29:26,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:26,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:26,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:26,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:26,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:26,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:26,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:26,070 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:26,071 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:26,071 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:26,072 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:29:26,074 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:26,074 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:26,075 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:29:26,075 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:29:26,075 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:26,076 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:29:26,076 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:29:26,080 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:29:26,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:26,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:26,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:29:26,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:29:26,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:29:26,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:26,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:26,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:26,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:26,095 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:26,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:29:26,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:26,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:26,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:26,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:26,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:26,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:26,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:26,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:26,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:26,099 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:29:26,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:29:26,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:26,100 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:26,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:26,100 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_39768265-71d8-43c1-960a-95fed944d1a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8cc58df8fe09b61997a2de9d9c5e7a83d2492c15b287abd5439e2c29784fc7 [2024-11-02 12:29:26,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:26,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:26,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:26,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:26,416 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:26,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i Unable to find full path for "g++" [2024-11-02 12:29:28,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:28,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:28,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i [2024-11-02 12:29:28,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/data/e3e5c7d71/8c5d12f5a7d344909bcba83712974ce6/FLAG757ea4ed7 [2024-11-02 12:29:28,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/data/e3e5c7d71/8c5d12f5a7d344909bcba83712974ce6 [2024-11-02 12:29:28,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:28,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:28,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:28,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:28,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:28,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:28" (1/1) ... [2024-11-02 12:29:28,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16df4e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:28, skipping insertion in model container [2024-11-02 12:29:28,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:28" (1/1) ... [2024-11-02 12:29:28,742 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:29,005 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_39768265-71d8-43c1-960a-95fed944d1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i[915,928] [2024-11-02 12:29:29,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:29,128 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:29,144 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_39768265-71d8-43c1-960a-95fed944d1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i[915,928] [2024-11-02 12:29:29,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:29,225 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:29,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29 WrapperNode [2024-11-02 12:29:29,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:29,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:29,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:29,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:29,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,302 INFO L138 Inliner]: procedures = 29, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 367 [2024-11-02 12:29:29,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:29,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:29,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:29,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:29,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:29,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:29,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:29,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:29,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (1/1) ... [2024-11-02 12:29:29,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:29,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:29,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:29,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:29:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:29:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:29:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:29:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-02 12:29:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:29:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:29:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:29:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:29,608 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:29,611 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:30,208 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:30,208 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:30,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:30,820 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:29:30,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:30 BoogieIcfgContainer [2024-11-02 12:29:30,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:30,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:30,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:30,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:30,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:28" (1/3) ... [2024-11-02 12:29:30,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b6582e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:30, skipping insertion in model container [2024-11-02 12:29:30,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:29" (2/3) ... [2024-11-02 12:29:30,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b6582e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:30, skipping insertion in model container [2024-11-02 12:29:30,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:30" (3/3) ... [2024-11-02 12:29:30,834 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-9.i [2024-11-02 12:29:30,855 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:30,856 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:29:30,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:30,932 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;@46296a3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:30,933 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:29:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:29:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-02 12:29:30,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:30,949 INFO L215 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:30,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:30,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:30,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1388067204, now seen corresponding path program 1 times [2024-11-02 12:29:30,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:29:30,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570597944] [2024-11-02 12:29:30,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:30,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:29:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:29:32,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1454744753] [2024-11-02 12:29:32,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:32,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:29:32,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:32,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:29:32,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:29:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:33,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:29:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:33,901 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:29:33,904 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:29:33,905 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:29:33,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:29:34,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:29:34,112 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:29:34,198 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:29:34,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:29:34 BoogieIcfgContainer [2024-11-02 12:29:34,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:29:34,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:29:34,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:29:34,203 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:29:34,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:30" (3/4) ... [2024-11-02 12:29:34,206 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:29:34,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:29:34,208 INFO L158 Benchmark]: Toolchain (without parser) took 5514.41ms. Allocated memory was 125.8MB in the beginning and 218.1MB in the end (delta: 92.3MB). Free memory was 90.5MB in the beginning and 146.8MB in the end (delta: -56.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:34,208 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:34,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.40ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 75.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:29:34,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.07ms. Allocated memory is still 125.8MB. Free memory was 75.4MB in the beginning and 72.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:34,210 INFO L158 Benchmark]: Boogie Preprocessor took 60.29ms. Allocated memory is still 125.8MB. Free memory was 72.4MB in the beginning and 69.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:34,211 INFO L158 Benchmark]: RCFGBuilder took 1457.84ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 69.9MB in the beginning and 99.5MB in the end (delta: -29.6MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-02 12:29:34,212 INFO L158 Benchmark]: TraceAbstraction took 3376.89ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 98.4MB in the beginning and 146.8MB in the end (delta: -48.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:34,212 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 218.1MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:34,215 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 125.8MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.40ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 75.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.07ms. Allocated memory is still 125.8MB. Free memory was 75.4MB in the beginning and 72.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.29ms. Allocated memory is still 125.8MB. Free memory was 72.4MB in the beginning and 69.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1457.84ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 69.9MB in the beginning and 99.5MB in the end (delta: -29.6MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3376.89ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 98.4MB in the beginning and 146.8MB in the end (delta: -48.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 218.1MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of shiftLeft at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_3 = 4; [L25] unsigned char* var_1_3_Pointer = &(var_1_3); [L26] unsigned char var_1_7 = 0; [L27] unsigned char* var_1_7_Pointer = &(var_1_7); [L28] signed short int var_1_8 = 100; [L29] signed short int* var_1_8_Pointer = &(var_1_8); [L30] unsigned char var_1_9 = 32; [L31] unsigned char* var_1_9_Pointer = &(var_1_9); [L32] double var_1_10 = 9.2; [L33] double* var_1_10_Pointer = &(var_1_10); [L34] double var_1_11 = 0.975; [L35] double* var_1_11_Pointer = &(var_1_11); [L36] signed short int var_1_12 = 1; [L37] signed short int* var_1_12_Pointer = &(var_1_12); [L38] signed long int var_1_14 = -16; [L39] signed long int* var_1_14_Pointer = &(var_1_14); [L40] unsigned char last_1_var_1_1 = 10; [L41] double last_1_var_1_10 = 9.2; [L42] signed short int last_1_var_1_12 = 1; [L43] signed long int last_1_var_1_14 = -16; [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] CALL updateLastVariables() [L84] EXPR \read(var_1_1) [L84] last_1_var_1_1 = var_1_1 [L85] EXPR \read(var_1_10) [L85] last_1_var_1_10 = var_1_10 [L86] EXPR \read(var_1_12) [L86] last_1_var_1_12 = var_1_12 [L87] EXPR \read(var_1_14) [L87] last_1_var_1_14 = var_1_14 [L97] RET updateLastVariables() [L98] CALL updateVariables() [L74] var_1_3 = __VERIFIER_nondet_uchar() [L75] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L75] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L76] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L76] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] var_1_7 = __VERIFIER_nondet_uchar() [L78] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] var_1_11 = __VERIFIER_nondet_double() [L81] EXPR \read(var_1_11) [L81] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F [L81] EXPR \read(var_1_11) [L81] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F [L81] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L98] RET updateVariables() [L99] CALL step() [L47] unsigned char stepLocal_0 = last_1_var_1_10 > last_1_var_1_10; [L48] COND FALSE !(((last_1_var_1_12 + last_1_var_1_1) < 10) || stepLocal_0) [L51] (*(var_1_12_Pointer)) = last_1_var_1_12 [L53] EXPR \read(*var_1_12_Pointer) [L53] (*(var_1_14_Pointer)) = (*(var_1_12_Pointer)) [L54] EXPR \read(*var_1_12_Pointer) [L54] EXPR 10 << (*(var_1_12_Pointer)) [L54] EXPR \read(*var_1_3_Pointer) [L54] EXPR \read(*var_1_14_Pointer) [L54] COND FALSE !((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) [L57] (*(var_1_9_Pointer)) = 64 [L58] EXPR \read(*var_1_11_Pointer) [L58] (*(var_1_10_Pointer)) = (*(var_1_11_Pointer)) [L59] EXPR \read(*var_1_12_Pointer) [L59] COND TRUE (*(var_1_12_Pointer)) <= 16 [L60] EXPR \read(*var_1_3_Pointer) [L60] (*(var_1_1_Pointer)) = (*(var_1_3_Pointer)) [L99] RET step() [L100] CALL, EXPR property() [L90] EXPR \read(*var_1_12_Pointer) [L90] EXPR ((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) [L90] EXPR \read(*var_1_1_Pointer) [L90] EXPR \read(*var_1_3_Pointer) [L90] EXPR ((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) [L90] EXPR (((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1) [L90] EXPR \read(*var_1_12_Pointer) [L90] EXPR 10 << (*(var_1_12_Pointer)) [L90] EXPR \read(*var_1_3_Pointer) [L90] EXPR \read(*var_1_14_Pointer) [L90] EXPR ((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1 [L90] EXPR \read(*var_1_8_Pointer) [L90] EXPR \read(*var_1_12_Pointer) [L90] EXPR \read(*var_1_14_Pointer) [L90] EXPR ((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1 [L90] EXPR (((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1) [L90] EXPR ((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64)) [L90] EXPR (((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer)))) [L90] EXPR ((((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer))))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? ((*(var_1_12_Pointer)) == ((signed short int) (((((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? ((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : ((*(var_1_12_Pointer)) == ((signed short int) last_1_var_1_12))) [L90] EXPR (((((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer))))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? ((*(var_1_12_Pointer)) == ((signed short int) (((((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? ((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : ((*(var_1_12_Pointer)) == ((signed short int) last_1_var_1_12)))) && ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_12_Pointer)))) [L90-L91] return (((((((*(var_1_12_Pointer)) <= 16) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : (((((((*(var_1_10_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))))) < (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_3_Pointer)))))) && (((10 << (*(var_1_12_Pointer))) < ((*(var_1_3_Pointer)) * (*(var_1_14_Pointer)))) ? ((*(var_1_8_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) + (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(var_1_10_Pointer)) == ((double) (*(var_1_11_Pointer))))) && ((((last_1_var_1_12 + last_1_var_1_1) < 10) || (last_1_var_1_10 > last_1_var_1_10)) ? ((*(var_1_12_Pointer)) == ((signed short int) (((((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) > (last_1_var_1_1)) ? ((((*(var_1_3_Pointer)) + last_1_var_1_12) - ((((last_1_var_1_14) > (last_1_var_1_12)) ? (last_1_var_1_14) : (last_1_var_1_12))))) : (last_1_var_1_1))))) : ((*(var_1_12_Pointer)) == ((signed short int) last_1_var_1_12)))) && ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_12_Pointer)))) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_12=1, last_1_var_1_14=-16, last_1_var_1_1=10, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 5, 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=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:29:34,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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_39768265-71d8-43c1-960a-95fed944d1a6/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 aa8cc58df8fe09b61997a2de9d9c5e7a83d2492c15b287abd5439e2c29784fc7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:36,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:36,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:29:36,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:36,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:36,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:36,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:36,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:36,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:36,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:36,946 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:36,947 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:36,947 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:36,947 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:36,948 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:36,948 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:36,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:36,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:36,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:29:36,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:29:36,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:36,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:36,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:36,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:36,953 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:29:36,953 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:29:36,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:36,954 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:29:36,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:29:36,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:36,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:36,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:36,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:29:36,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:36,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:36,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:36,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:36,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:36,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:36,963 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:29:36,963 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:29:36,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:36,964 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:36,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:36,965 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_39768265-71d8-43c1-960a-95fed944d1a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa8cc58df8fe09b61997a2de9d9c5e7a83d2492c15b287abd5439e2c29784fc7 [2024-11-02 12:29:37,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:37,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:37,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:37,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:37,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:37,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i Unable to find full path for "g++" [2024-11-02 12:29:39,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:39,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:39,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i [2024-11-02 12:29:39,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/data/696c6fcae/4579418d30fc457e895ce4785643ff06/FLAG804473b10 [2024-11-02 12:29:39,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/data/696c6fcae/4579418d30fc457e895ce4785643ff06 [2024-11-02 12:29:39,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:39,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:39,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:39,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:39,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:39,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:39" (1/1) ... [2024-11-02 12:29:39,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6ab357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:39, skipping insertion in model container [2024-11-02 12:29:39,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:39" (1/1) ... [2024-11-02 12:29:39,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:40,137 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_39768265-71d8-43c1-960a-95fed944d1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i[915,928] [2024-11-02 12:29:40,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:40,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:40,258 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_39768265-71d8-43c1-960a-95fed944d1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-9.i[915,928] [2024-11-02 12:29:40,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:40,347 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:40,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40 WrapperNode [2024-11-02 12:29:40,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:40,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:40,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:40,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:40,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,434 INFO L138 Inliner]: procedures = 36, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 353 [2024-11-02 12:29:40,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:40,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:40,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:40,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:40,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:40,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:40,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:40,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:40,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (1/1) ... [2024-11-02 12:29:40,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:40,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:40,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:40,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-02 12:29:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-02 12:29:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:29:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-02 12:29:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:29:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 12:29:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-02 12:29:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:29:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-02 12:29:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:29:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:29:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:29:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-02 12:29:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:29:40,896 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:40,899 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:41,716 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:41,716 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:41,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:41,745 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:29:41,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:41 BoogieIcfgContainer [2024-11-02 12:29:41,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:41,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:41,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:41,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:41,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:39" (1/3) ... [2024-11-02 12:29:41,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da5dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:41, skipping insertion in model container [2024-11-02 12:29:41,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:40" (2/3) ... [2024-11-02 12:29:41,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da5dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:41, skipping insertion in model container [2024-11-02 12:29:41,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:41" (3/3) ... [2024-11-02 12:29:41,763 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-9.i [2024-11-02 12:29:41,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:41,795 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:29:41,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:41,951 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;@2588085e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:41,952 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:29:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:29:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:29:41,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:41,973 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:41,973 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:41,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:41,980 INFO L85 PathProgramCache]: Analyzing trace with hash -562539789, now seen corresponding path program 1 times [2024-11-02 12:29:41,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:41,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280958091] [2024-11-02 12:29:42,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:42,000 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 12:29:42,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:42,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:42,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:42,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:29:42,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-02 12:29:42,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:42,434 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:42,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280958091] [2024-11-02 12:29:42,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [280958091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:42,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:42,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:29:42,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83760086] [2024-11-02 12:29:42,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:42,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:29:42,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:42,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:29:42,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:29:42,471 INFO L87 Difference]: Start difference. First operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:42,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:42,506 INFO L93 Difference]: Finished difference Result 133 states and 197 transitions. [2024-11-02 12:29:42,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:29:42,509 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-02 12:29:42,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:42,517 INFO L225 Difference]: With dead ends: 133 [2024-11-02 12:29:42,517 INFO L226 Difference]: Without dead ends: 66 [2024-11-02 12:29:42,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 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 12:29:42,523 INFO L432 NwaCegarLoop]: 92 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, 92 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 12:29:42,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:29:42,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-02 12:29:42,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-02 12:29:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 59 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:29:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 92 transitions. [2024-11-02 12:29:42,574 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 92 transitions. Word has length 60 [2024-11-02 12:29:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:42,575 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 92 transitions. [2024-11-02 12:29:42,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2024-11-02 12:29:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:29:42,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:42,579 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:42,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:29:42,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:42,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:42,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash -830046663, now seen corresponding path program 1 times [2024-11-02 12:29:42,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:42,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461883043] [2024-11-02 12:29:42,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:42,782 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 12:29:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:42,783 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:42,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:43,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:29:43,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:29:43,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:43,166 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:43,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461883043] [2024-11-02 12:29:43,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [461883043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:43,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:43,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:29:43,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562136794] [2024-11-02 12:29:43,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:43,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:29:43,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:43,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:29:43,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:29:43,176 INFO L87 Difference]: Start difference. First operand 66 states and 92 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:43,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:43,231 INFO L93 Difference]: Finished difference Result 132 states and 185 transitions. [2024-11-02 12:29:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:29:43,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-02 12:29:43,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:43,233 INFO L225 Difference]: With dead ends: 132 [2024-11-02 12:29:43,233 INFO L226 Difference]: Without dead ends: 69 [2024-11-02 12:29:43,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 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 12:29:43,235 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:43,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 256 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:29:43,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-02 12:29:43,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-02 12:29:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:29:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2024-11-02 12:29:43,245 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 60 [2024-11-02 12:29:43,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:43,247 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2024-11-02 12:29:43,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-11-02 12:29:43,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:29:43,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:43,250 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:43,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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)] Ended with exit code 0 [2024-11-02 12:29:43,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:43,454 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:43,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:43,455 INFO L85 PathProgramCache]: Analyzing trace with hash -128982085, now seen corresponding path program 1 times [2024-11-02 12:29:43,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:43,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663186422] [2024-11-02 12:29:43,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:43,456 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 12:29:43,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:43,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:43,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:43,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:29:43,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:43,780 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:29:43,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:43,780 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:43,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663186422] [2024-11-02 12:29:43,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663186422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:43,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:43,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:29:43,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417536686] [2024-11-02 12:29:43,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:43,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:29:43,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:43,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:29:43,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:29:43,784 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:43,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:43,855 INFO L93 Difference]: Finished difference Result 136 states and 189 transitions. [2024-11-02 12:29:43,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:29:43,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-02 12:29:43,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:43,857 INFO L225 Difference]: With dead ends: 136 [2024-11-02 12:29:43,858 INFO L226 Difference]: Without dead ends: 71 [2024-11-02 12:29:43,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:29:43,859 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 1 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:43,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 333 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:29:43,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-02 12:29:43,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-11-02 12:29:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:29:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2024-11-02 12:29:43,868 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 60 [2024-11-02 12:29:43,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:43,868 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2024-11-02 12:29:43,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2024-11-02 12:29:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:29:43,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:43,871 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:43,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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)] Ended with exit code 0 [2024-11-02 12:29:44,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:44,075 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:44,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:44,076 INFO L85 PathProgramCache]: Analyzing trace with hash 551076285, now seen corresponding path program 1 times [2024-11-02 12:29:44,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:44,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525946081] [2024-11-02 12:29:44,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:44,078 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 12:29:44,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:44,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:44,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:44,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:29:44,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:44,437 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:29:44,437 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:44,437 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:44,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525946081] [2024-11-02 12:29:44,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525946081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:44,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:44,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 12:29:44,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086425019] [2024-11-02 12:29:44,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:44,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 12:29:44,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:44,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 12:29:44,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:29:44,441 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:44,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:44,557 INFO L93 Difference]: Finished difference Result 142 states and 196 transitions. [2024-11-02 12:29:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:29:44,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-02 12:29:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:44,560 INFO L225 Difference]: With dead ends: 142 [2024-11-02 12:29:44,560 INFO L226 Difference]: Without dead ends: 75 [2024-11-02 12:29:44,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:29:44,562 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:44,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 479 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:29:44,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-02 12:29:44,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-02 12:29:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.3432835820895523) internal successors, (90), 67 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:29:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2024-11-02 12:29:44,573 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 60 [2024-11-02 12:29:44,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:44,574 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2024-11-02 12:29:44,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-11-02 12:29:44,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:29:44,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:44,576 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:44,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:29:44,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:44,780 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:44,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:44,781 INFO L85 PathProgramCache]: Analyzing trace with hash 552923327, now seen corresponding path program 1 times [2024-11-02 12:29:44,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:44,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [944302620] [2024-11-02 12:29:44,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:44,782 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 12:29:44,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:44,786 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:44,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:45,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-02 12:29:45,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:45,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-02 12:29:46,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-02 12:29:47,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-02 12:29:47,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-02 12:29:47,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-02 12:29:47,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-02 12:29:47,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-11-02 12:29:47,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-02 12:29:47,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2024-11-02 12:29:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-02 12:29:47,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:29:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-02 12:29:48,038 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:48,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [944302620] [2024-11-02 12:29:48,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [944302620] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-02 12:29:48,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 12:29:48,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-02 12:29:48,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613042693] [2024-11-02 12:29:48,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:48,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:29:48,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:48,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:29:48,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-02 12:29:48,041 INFO L87 Difference]: Start difference. First operand 74 states and 100 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:48,975 INFO L93 Difference]: Finished difference Result 149 states and 202 transitions. [2024-11-02 12:29:48,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:29:48,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-02 12:29:48,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:48,981 INFO L225 Difference]: With dead ends: 149 [2024-11-02 12:29:48,981 INFO L226 Difference]: Without dead ends: 78 [2024-11-02 12:29:48,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-02 12:29:48,985 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 44 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:48,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 235 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-02 12:29:48,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-02 12:29:48,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2024-11-02 12:29:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-02 12:29:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2024-11-02 12:29:48,999 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 60 [2024-11-02 12:29:48,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:49,000 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2024-11-02 12:29:49,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-02 12:29:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2024-11-02 12:29:49,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-02 12:29:49,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:49,003 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:49,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:29:49,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:49,204 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:49,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:49,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1489190506, now seen corresponding path program 1 times [2024-11-02 12:29:49,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:49,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502258533] [2024-11-02 12:29:49,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:49,206 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 12:29:49,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:49,208 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:49,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/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 12:29:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:49,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-02 12:29:49,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:51,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-02 12:29:52,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-02 12:29:52,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-02 12:29:53,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-02 12:29:53,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 150 [2024-11-02 12:29:53,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 149 [2024-11-02 12:29:53,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2024-11-02 12:29:53,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2024-11-02 12:29:53,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 140 [2024-11-02 12:29:54,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:29:54,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 351 treesize of output 131 [2024-11-02 12:29:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-02 12:29:54,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:29:54,772 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_138))) (fp.eq (let ((.cse0 (let ((.cse1 (select .cse2 c_~var_1_10_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_10_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_10_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse3 (let ((.cse4 (select .cse2 c_~var_1_11_Pointer~0.base))) (concat (select .cse4 (bvadd (_ bv4 32) c_~var_1_11_Pointer~0.offset)) (select .cse4 c_~var_1_11_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))) is different from false [2024-11-02 12:29:54,916 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_26| (_ BitVec 64)) (~var_1_9_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_136 (_ BitVec 32)) (v_ArrVal_138 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse2 (bvadd (_ bv4 32) c_~var_1_11_Pointer~0.offset)) (.cse3 (store |c_#memory_int| c_~var_1_9_Pointer~0.base (store (select |c_#memory_int| c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset v_ArrVal_136)))) (or (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_26|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_26|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_26|)) (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_11_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_11_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (let ((.cse6 (bvadd ~var_1_10_Pointer~0.offset (_ bv4 32)))) (let ((.cse7 (store (store .cse3 c_~var_1_10_Pointer~0.base (store (store (select .cse3 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_26|)) .cse6 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_26|))) c_~var_1_1_Pointer~0.base v_ArrVal_138))) (fp.eq (let ((.cse4 (let ((.cse5 (select .cse7 c_~var_1_10_Pointer~0.base))) (concat (select .cse5 .cse6) (select .cse5 ~var_1_10_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (let ((.cse8 (let ((.cse9 (select .cse7 c_~var_1_11_Pointer~0.base))) (concat (select .cse9 .cse2) (select .cse9 c_~var_1_11_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))))))))) is different from false [2024-11-02 12:29:55,211 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_134 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_26| (_ BitVec 64)) (~var_1_9_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_136 (_ BitVec 32)) (v_ArrVal_138 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse2 (bvadd (_ bv4 32) c_~var_1_11_Pointer~0.offset)) (.cse3 (let ((.cse10 (store |c_#memory_int| c_~var_1_8_Pointer~0.base v_ArrVal_134))) (store .cse10 c_~var_1_9_Pointer~0.base (store (select .cse10 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset v_ArrVal_136))))) (or (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_26|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_26|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_26|)) (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_11_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_11_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (let ((.cse6 (bvadd ~var_1_10_Pointer~0.offset (_ bv4 32)))) (let ((.cse7 (store (store .cse3 c_~var_1_10_Pointer~0.base (store (store (select .cse3 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_26|)) .cse6 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_26|))) c_~var_1_1_Pointer~0.base v_ArrVal_138))) (fp.eq (let ((.cse4 (let ((.cse5 (select .cse7 c_~var_1_10_Pointer~0.base))) (concat (select .cse5 .cse6) (select .cse5 ~var_1_10_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (let ((.cse8 (let ((.cse9 (select .cse7 c_~var_1_11_Pointer~0.base))) (concat (select .cse9 .cse2) (select .cse9 c_~var_1_11_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))))))))) is different from false [2024-11-02 12:29:55,395 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_134 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_26| (_ BitVec 64)) (~var_1_9_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_133 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_136 (_ BitVec 32)) (v_ArrVal_138 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse6 (bvadd (_ bv4 32) c_~var_1_11_Pointer~0.offset)) (.cse7 (let ((.cse10 (store (store |c_#memory_int| c_~var_1_14_Pointer~0.base v_ArrVal_133) c_~var_1_8_Pointer~0.base v_ArrVal_134))) (store .cse10 c_~var_1_9_Pointer~0.base (store (select .cse10 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset v_ArrVal_136))))) (or (let ((.cse2 (bvadd ~var_1_10_Pointer~0.offset (_ bv4 32)))) (let ((.cse3 (store (store .cse7 c_~var_1_10_Pointer~0.base (store (store (select .cse7 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_26|)) .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_26|))) c_~var_1_1_Pointer~0.base v_ArrVal_138))) (fp.eq (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_10_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 ~var_1_10_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse4 (let ((.cse5 (select .cse3 c_~var_1_11_Pointer~0.base))) (concat (select .cse5 .cse6) (select .cse5 c_~var_1_11_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_26|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_26|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_26|)) (let ((.cse8 (let ((.cse9 (select .cse7 c_~var_1_11_Pointer~0.base))) (concat (select .cse9 .cse6) (select .cse9 c_~var_1_11_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8)))))))) is different from false [2024-11-02 12:29:55,657 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_134 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_26| (_ BitVec 64)) (~var_1_9_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_132 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_133 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_136 (_ BitVec 32)) (v_ArrVal_138 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_10_Pointer~0.offset (_ BitVec 32))) (let ((.cse2 (bvadd (_ bv4 32) c_~var_1_11_Pointer~0.offset)) (.cse3 (let ((.cse10 (store (store (store |c_#memory_int| c_~var_1_12_Pointer~0.base v_ArrVal_132) c_~var_1_14_Pointer~0.base v_ArrVal_133) c_~var_1_8_Pointer~0.base v_ArrVal_134))) (store .cse10 c_~var_1_9_Pointer~0.base (store (select .cse10 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset v_ArrVal_136))))) (or (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_26|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_26|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_26|)) (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_11_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_11_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (let ((.cse6 (bvadd ~var_1_10_Pointer~0.offset (_ bv4 32)))) (let ((.cse7 (store (store .cse3 c_~var_1_10_Pointer~0.base (store (store (select .cse3 c_~var_1_10_Pointer~0.base) ~var_1_10_Pointer~0.offset ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_26|)) .cse6 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_26|))) c_~var_1_1_Pointer~0.base v_ArrVal_138))) (fp.eq (let ((.cse4 (let ((.cse5 (select .cse7 c_~var_1_10_Pointer~0.base))) (concat (select .cse5 .cse6) (select .cse5 ~var_1_10_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (let ((.cse8 (let ((.cse9 (select .cse7 c_~var_1_11_Pointer~0.base))) (concat (select .cse9 .cse2) (select .cse9 c_~var_1_11_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))))))))) is different from false [2024-11-02 12:29:56,151 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:56,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502258533] [2024-11-02 12:29:56,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502258533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:29:56,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1693905771] [2024-11-02 12:29:56,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:56,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:29:56,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:29:56,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:29:56,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39768265-71d8-43c1-960a-95fed944d1a6/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-02 12:29:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:57,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-02 12:29:57,468 INFO L278 TraceCheckSpWp]: Computing forward predicates...