./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX --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 e026d603530f5f2b94625e4bc7a618a196a2433d821b6633fe46dc404e028fe7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:24,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:24,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:14:24,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:24,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:24,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:24,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:24,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:24,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:24,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:24,782 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:24,783 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:24,784 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:24,786 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:14:24,787 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:24,787 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:24,788 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:14:24,788 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:14:24,789 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:24,789 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:14:24,790 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:14:24,791 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:14:24,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:24,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:14:24,793 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:14:24,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:14:24,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:14:24,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:24,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:14:24,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:24,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:14:24,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:14:24,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:14:24,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:24,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:24,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:24,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:24,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:24,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:24,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:14:24,801 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:14:24,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:14:24,801 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:14:24,802 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:24,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:24,803 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_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e026d603530f5f2b94625e4bc7a618a196a2433d821b6633fe46dc404e028fe7 [2023-11-12 00:14:25,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:25,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:25,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:25,159 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:25,159 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:25,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i [2023-11-12 00:14:28,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:28,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:28,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i [2023-11-12 00:14:28,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/data/4f13812d4/b2ea5ff5d3f64bc89398f2eb1bb091d6/FLAGef0313eb8 [2023-11-12 00:14:28,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/data/4f13812d4/b2ea5ff5d3f64bc89398f2eb1bb091d6 [2023-11-12 00:14:28,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:28,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:28,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:28,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:28,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:28,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:28" (1/1) ... [2023-11-12 00:14:28,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66220104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:28, skipping insertion in model container [2023-11-12 00:14:28,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:28" (1/1) ... [2023-11-12 00:14:28,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:28,906 WARN L240 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_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i[913,926] [2023-11-12 00:14:28,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:28,971 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:28,989 WARN L240 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_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i[913,926] [2023-11-12 00:14:29,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:29,039 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:29,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29 WrapperNode [2023-11-12 00:14:29,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:29,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:29,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:29,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:29,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,116 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2023-11-12 00:14:29,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:29,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:29,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:29,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:29,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:29,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:29,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:29,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:29,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (1/1) ... [2023-11-12 00:14:29,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:29,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:29,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:29,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:14:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:14:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:14:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:29,374 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:14:29,406 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:29,815 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:30,021 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:30,021 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:14:30,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:30 BoogieIcfgContainer [2023-11-12 00:14:30,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:30,027 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:30,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:30,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:30,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:28" (1/3) ... [2023-11-12 00:14:30,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6938e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:30, skipping insertion in model container [2023-11-12 00:14:30,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:29" (2/3) ... [2023-11-12 00:14:30,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6938e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:30, skipping insertion in model container [2023-11-12 00:14:30,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:30" (3/3) ... [2023-11-12 00:14:30,036 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-61.i [2023-11-12 00:14:30,058 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:30,059 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:14:30,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:30,129 INFO L357 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, mHoare=true, 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;@5c8de44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:30,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:14:30,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:14:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-12 00:14:30,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:30,153 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:30,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:30,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:30,161 INFO L85 PathProgramCache]: Analyzing trace with hash -855689709, now seen corresponding path program 1 times [2023-11-12 00:14:30,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:30,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212455307] [2023-11-12 00:14:30,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:14:30,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:14:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:14:30,995 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:14:30,997 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:14:30,999 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:14:31,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:14:31,006 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:14:31,011 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:14:31,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:14:31 BoogieIcfgContainer [2023-11-12 00:14:31,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:14:31,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:14:31,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:14:31,127 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:14:31,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:30" (3/4) ... [2023-11-12 00:14:31,130 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:14:31,132 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:14:31,133 INFO L158 Benchmark]: Toolchain (without parser) took 2436.20ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 80.4MB in the beginning and 125.7MB in the end (delta: -45.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-12 00:14:31,134 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 56.4MB in the beginning and 56.2MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:14:31,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.99ms. Allocated memory is still 125.8MB. Free memory was 80.1MB in the beginning and 67.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:14:31,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.59ms. Allocated memory is still 125.8MB. Free memory was 67.1MB in the beginning and 64.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:14:31,142 INFO L158 Benchmark]: Boogie Preprocessor took 57.53ms. Allocated memory is still 125.8MB. Free memory was 64.1MB in the beginning and 62.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:14:31,143 INFO L158 Benchmark]: RCFGBuilder took 841.91ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 62.2MB in the beginning and 125.6MB in the end (delta: -63.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-12 00:14:31,145 INFO L158 Benchmark]: TraceAbstraction took 1098.65ms. Allocated memory is still 180.4MB. Free memory was 124.8MB in the beginning and 125.7MB in the end (delta: -837.4kB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-12 00:14:31,146 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 180.4MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:14:31,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 56.4MB in the beginning and 56.2MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.99ms. Allocated memory is still 125.8MB. Free memory was 80.1MB in the beginning and 67.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.59ms. Allocated memory is still 125.8MB. Free memory was 67.1MB in the beginning and 64.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.53ms. Allocated memory is still 125.8MB. Free memory was 64.1MB in the beginning and 62.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 841.91ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 62.2MB in the beginning and 125.6MB in the end (delta: -63.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1098.65ms. Allocated memory is still 180.4MB. Free memory was 124.8MB in the beginning and 125.7MB in the end (delta: -837.4kB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 180.4MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 8; [L27] unsigned char var_1_9 = 128; [L28] unsigned char var_1_10 = 64; [L29] unsigned char var_1_11 = 100; [L30] unsigned char var_1_12 = 5; [L31] unsigned char var_1_13 = 100; [L32] unsigned char var_1_14 = 32; [L33] unsigned char var_1_15 = 64; [L34] unsigned char var_1_16 = 50; [L35] unsigned char var_1_17 = 8; [L36] unsigned char var_1_18 = 0; [L37] signed char var_1_19 = 0; [L38] float var_1_20 = 255.5; [L39] float var_1_21 = 255.5; [L40] unsigned short int var_1_22 = 64; [L41] double var_1_23 = 32.5; [L117] isInitial = 1 [L118] FCALL initially() [L119] COND TRUE 1 [L120] FCALL updateLastVariables() [L121] CALL updateVariables() [L71] var_1_4 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 >= 127) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L82] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L83] var_1_10 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L85] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L86] var_1_12 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L88] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L89] var_1_13 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L91] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= 32) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L94] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L95] var_1_15 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_15 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_15 >= 32) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L97] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L98] var_1_16 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_16 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_16 >= 32) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L100] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L101] var_1_17 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L103] CALL assume_abort_if_not(var_1_17 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_17 <= 64) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L104] var_1_18 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L106] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=511/2, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L107] var_1_21 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=379, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=118, var_1_11=100, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=511/2, var_1_21=379, var_1_22=64, var_1_23=65/2, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L121] RET updateVariables() [L122] CALL step() [L45] COND TRUE \read(var_1_6) [L46] var_1_11 = (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))) [L50] unsigned char stepLocal_0 = var_1_6 || var_1_4; [L51] COND TRUE var_1_5 || stepLocal_0 [L52] var_1_19 = var_1_15 [L54] var_1_20 = var_1_21 [L55] var_1_22 = var_1_18 [L56] var_1_23 = 0.010000000000000009 [L57] COND FALSE !(var_1_20 < var_1_20) [L60] COND FALSE !(var_1_20 >= var_1_20) [L63] var_1_1 = var_1_6 [L66] COND FALSE !(var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20)))) [L122] RET step() [L123] CALL, EXPR property() [L113-L114] return (((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : ((var_1_20 >= var_1_20) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_6)))) && ((var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20)))) ? (var_1_7 == ((unsigned char) (var_1_9 - var_1_10))) : 1)) && (var_1_6 ? (var_1_11 == ((unsigned char) (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) : (var_1_11 == ((unsigned char) (((64 + var_1_14) + (var_1_15 + var_1_16)) - (var_1_17 + var_1_18)))))) && ((var_1_5 || (var_1_6 || var_1_4)) ? (var_1_19 == ((signed char) var_1_15)) : 1)) && (var_1_20 == ((float) var_1_21))) && (var_1_22 == ((unsigned short int) var_1_18))) && (var_1_23 == ((double) 0.010000000000000009)) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=118, var_1_11=125, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=63, var_1_19=64, var_1_1=1, var_1_20=379, var_1_21=379, var_1_22=63, var_1_23=10000000000000009/1000000000000000000, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=118, var_1_11=125, var_1_12=7, var_1_13=6, var_1_14=32, var_1_15=64, var_1_16=32, var_1_17=4, var_1_18=63, var_1_19=64, var_1_1=1, var_1_20=379, var_1_21=379, var_1_22=63, var_1_23=10000000000000009/1000000000000000000, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 25, 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=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:14:31,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX --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 e026d603530f5f2b94625e4bc7a618a196a2433d821b6633fe46dc404e028fe7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:33,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:33,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:14:34,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:34,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:34,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:34,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:34,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:34,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:34,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:34,064 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:34,064 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:34,065 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:34,067 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:34,067 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:34,068 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:34,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:34,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:14:34,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:14:34,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:14:34,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:34,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:14:34,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:34,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:14:34,074 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:14:34,074 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:14:34,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:14:34,075 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:14:34,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:14:34,076 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:34,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:34,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:14:34,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:34,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:34,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:34,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:34,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:14:34,081 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:14:34,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:14:34,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:14:34,082 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:34,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:34,083 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_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e026d603530f5f2b94625e4bc7a618a196a2433d821b6633fe46dc404e028fe7 [2023-11-12 00:14:34,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:34,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:34,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:34,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:34,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:34,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i [2023-11-12 00:14:37,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:38,011 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:38,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i [2023-11-12 00:14:38,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/data/08c8c3c98/6a0aeab0473e4729b40a9cabb74f5984/FLAGe39fb0317 [2023-11-12 00:14:38,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/data/08c8c3c98/6a0aeab0473e4729b40a9cabb74f5984 [2023-11-12 00:14:38,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:38,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:38,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:38,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:38,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:38,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cae2162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38, skipping insertion in model container [2023-11-12 00:14:38,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,113 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:38,296 WARN L240 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_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i[913,926] [2023-11-12 00:14:38,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:38,369 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:38,382 WARN L240 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_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-61.i[913,926] [2023-11-12 00:14:38,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:38,429 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:38,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38 WrapperNode [2023-11-12 00:14:38,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:38,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:38,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:38,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:38,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,480 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2023-11-12 00:14:38,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:38,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:38,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:38,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:38,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:38,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:38,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:38,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:38,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (1/1) ... [2023-11-12 00:14:38,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:38,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:38,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:38,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:14:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:14:38,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:14:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:38,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:38,837 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:14:38,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:39,666 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:39,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:39,674 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:14:39,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:39 BoogieIcfgContainer [2023-11-12 00:14:39,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:39,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:39,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:39,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:39,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:38" (1/3) ... [2023-11-12 00:14:39,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426fa3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:39, skipping insertion in model container [2023-11-12 00:14:39,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:38" (2/3) ... [2023-11-12 00:14:39,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426fa3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:39, skipping insertion in model container [2023-11-12 00:14:39,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:39" (3/3) ... [2023-11-12 00:14:39,686 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-61.i [2023-11-12 00:14:39,703 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:39,703 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:14:39,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:39,756 INFO L357 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, mHoare=true, 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;@35002a6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:39,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:14:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:14:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 00:14:39,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:39,783 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:39,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:39,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:39,789 INFO L85 PathProgramCache]: Analyzing trace with hash 871196680, now seen corresponding path program 1 times [2023-11-12 00:14:39,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:14:39,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565630868] [2023-11-12 00:14:39,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:39,806 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 [2023-11-12 00:14:39,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:14:39,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:14:39,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:14:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:40,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:14:40,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:14:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 00:14:40,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:14:40,142 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:14:40,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565630868] [2023-11-12 00:14:40,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565630868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:40,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:40,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:14:40,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057738488] [2023-11-12 00:14:40,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:40,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:14:40,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:14:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:14:40,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:14:40,221 INFO L87 Difference]: Start difference. First operand has 64 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:14:40,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:40,275 INFO L93 Difference]: Finished difference Result 121 states and 211 transitions. [2023-11-12 00:14:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:14:40,277 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 153 [2023-11-12 00:14:40,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:40,287 INFO L225 Difference]: With dead ends: 121 [2023-11-12 00:14:40,287 INFO L226 Difference]: Without dead ends: 60 [2023-11-12 00:14:40,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:14:40,295 INFO L413 NwaCegarLoop]: 88 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, 88 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 [2023-11-12 00:14:40,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:40,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-12 00:14:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-12 00:14:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:14:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 88 transitions. [2023-11-12 00:14:40,365 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 88 transitions. Word has length 153 [2023-11-12 00:14:40,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:40,369 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 88 transitions. [2023-11-12 00:14:40,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:14:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2023-11-12 00:14:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-12 00:14:40,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:40,381 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:40,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:14:40,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:14:40,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:40,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:40,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1458198054, now seen corresponding path program 1 times [2023-11-12 00:14:40,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:14:40,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816819764] [2023-11-12 00:14:40,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:40,604 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 [2023-11-12 00:14:40,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:14:40,637 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:14:40,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d20a9f-f8cf-4063-aafa-068a2fa4ab1a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:14:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:40,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 00:14:40,827 INFO L285 TraceCheckSpWp]: Computing forward predicates...