./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:07:19,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:07:19,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:07:19,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:07:19,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:07:19,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:07:19,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:07:19,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:07:19,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:07:19,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:07:19,173 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:07:19,173 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:07:19,174 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:07:19,174 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:07:19,175 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:07:19,175 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:07:19,176 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:07:19,176 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:07:19,177 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:07:19,177 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:07:19,178 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:07:19,179 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:07:19,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:07:19,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:07:19,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:07:19,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:07:19,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:07:19,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:07:19,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:07:19,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:07:19,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:07:19,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:07:19,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:07:19,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:07:19,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:07:19,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:07:19,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:07:19,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:07:19,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:07:19,187 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:07:19,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:07:19,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:07:19,189 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:07:19,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:07:19,190 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_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf [2024-11-09 07:07:19,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:07:19,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:07:19,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:07:19,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:07:19,544 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:07:19,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i Unable to find full path for "g++" [2024-11-09 07:07:21,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:07:22,023 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:07:22,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2024-11-09 07:07:22,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/data/251136177/d7ee9b21cd0a4c91bb7f6ec7fbb7f9fd/FLAG604cf3327 [2024-11-09 07:07:22,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/data/251136177/d7ee9b21cd0a4c91bb7f6ec7fbb7f9fd [2024-11-09 07:07:22,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:07:22,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:07:22,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:07:22,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:07:22,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:07:22,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709d3b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22, skipping insertion in model container [2024-11-09 07:07:22,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:07:22,416 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2024-11-09 07:07:22,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:07:22,659 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:07:22,676 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2024-11-09 07:07:22,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:07:22,764 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:07:22,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22 WrapperNode [2024-11-09 07:07:22,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:07:22,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:07:22,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:07:22,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:07:22,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,817 INFO L138 Inliner]: procedures = 187, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-09 07:07:22,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:07:22,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:07:22,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:07:22,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:07:22,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:07:22,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:07:22,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:07:22,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:07:22,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (1/1) ... [2024-11-09 07:07:22,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:07:22,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:07:22,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:07:22,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:07:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:07:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:07:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:07:22,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:07:23,019 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:07:23,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:07:23,196 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-09 07:07:23,197 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:07:23,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:07:23,224 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:07:23,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:07:23 BoogieIcfgContainer [2024-11-09 07:07:23,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:07:23,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:07:23,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:07:23,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:07:23,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:07:22" (1/3) ... [2024-11-09 07:07:23,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fae7a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:07:23, skipping insertion in model container [2024-11-09 07:07:23,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:22" (2/3) ... [2024-11-09 07:07:23,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fae7a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:07:23, skipping insertion in model container [2024-11-09 07:07:23,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:07:23" (3/3) ... [2024-11-09 07:07:23,234 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_19-simpler_true.i [2024-11-09 07:07:23,253 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:07:23,254 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:07:23,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:07:23,322 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;@11505141, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:07:23,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:07:23,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:07:23,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 07:07:23,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:07:23,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 07:07:23,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-09 07:07:23,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:07:23,343 INFO L85 PathProgramCache]: Analyzing trace with hash 53978, now seen corresponding path program 1 times [2024-11-09 07:07:23,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:07:23,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341615249] [2024-11-09 07:07:23,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:07:23,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:07:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:07:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:07:23,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:07:23,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341615249] [2024-11-09 07:07:23,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341615249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:07:23,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:07:23,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:07:23,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361042430] [2024-11-09 07:07:23,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:07:23,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:07:23,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:07:23,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:07:23,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:07:23,709 INFO L87 Difference]: Start difference. First operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:07:23,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:07:23,746 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2024-11-09 07:07:23,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:07:23,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 07:07:23,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:07:23,756 INFO L225 Difference]: With dead ends: 11 [2024-11-09 07:07:23,757 INFO L226 Difference]: Without dead ends: 5 [2024-11-09 07:07:23,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:07:23,762 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:07:23,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:07:23,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2024-11-09 07:07:23,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2024-11-09 07:07:23,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:07:23,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2024-11-09 07:07:23,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2024-11-09 07:07:23,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:07:23,797 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2024-11-09 07:07:23,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:07:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2024-11-09 07:07:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 07:07:23,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:07:23,798 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 07:07:23,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:07:23,799 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-09 07:07:23,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:07:23,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1678294, now seen corresponding path program 1 times [2024-11-09 07:07:23,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:07:23,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587292841] [2024-11-09 07:07:23,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:07:23,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:07:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:07:23,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:07:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:07:23,873 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:07:23,873 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:07:23,875 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-09 07:07:23,877 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-09 07:07:23,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:07:23,881 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:07:23,899 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:07:23,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:07:23 BoogieIcfgContainer [2024-11-09 07:07:23,905 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:07:23,906 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:07:23,906 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:07:23,906 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:07:23,909 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:07:23" (3/4) ... [2024-11-09 07:07:23,912 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:07:23,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:07:23,914 INFO L158 Benchmark]: Toolchain (without parser) took 1838.13ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 92.0MB in the beginning and 103.3MB in the end (delta: -11.4MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-09 07:07:23,916 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 134.2MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:07:23,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 687.40ms. Allocated memory is still 134.2MB. Free memory was 92.0MB in the beginning and 67.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 07:07:23,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.11ms. Allocated memory is still 134.2MB. Free memory was 67.8MB in the beginning and 66.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:07:23,917 INFO L158 Benchmark]: Boogie Preprocessor took 27.69ms. Allocated memory is still 134.2MB. Free memory was 66.1MB in the beginning and 64.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:07:23,917 INFO L158 Benchmark]: RCFGBuilder took 375.74ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 64.6MB in the beginning and 142.2MB in the end (delta: -77.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-09 07:07:23,918 INFO L158 Benchmark]: TraceAbstraction took 678.53ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 104.3MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 07:07:23,920 INFO L158 Benchmark]: Witness Printer took 7.15ms. Allocated memory is still 176.2MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:07:23,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 134.2MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 687.40ms. Allocated memory is still 134.2MB. Free memory was 92.0MB in the beginning and 67.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.11ms. Allocated memory is still 134.2MB. Free memory was 67.8MB in the beginning and 66.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.69ms. Allocated memory is still 134.2MB. Free memory was 66.1MB in the beginning and 64.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.74ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 64.6MB in the beginning and 142.2MB in the end (delta: -77.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 678.53ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 104.3MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 7.15ms. Allocated memory is still 176.2MB. Free memory is still 103.3MB. 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: 726]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 726. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; [L729] int val; [L730] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [global=0] [L730] RET __VERIFIER_assert(global == 0) [L732] CALL fun() [L726] longjmp(env_buffer, 2) VAL [global=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: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:07:23,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:07:26,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:07:26,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 07:07:26,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:07:26,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:07:26,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:07:26,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:07:26,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:07:26,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:07:26,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:07:26,758 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:07:26,759 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:07:26,759 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:07:26,760 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:07:26,762 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:07:26,762 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:07:26,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:07:26,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:07:26,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:07:26,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:07:26,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:07:26,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:07:26,773 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:07:26,773 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:07:26,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:07:26,774 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:07:26,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:07:26,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:07:26,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:07:26,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:07:26,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:07:26,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:07:26,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:07:26,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:07:26,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:07:26,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:07:26,778 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:07:26,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:07:26,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:07:26,778 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:07:26,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf [2024-11-09 07:07:27,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:07:27,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:07:27,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:07:27,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:07:27,284 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:07:27,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i Unable to find full path for "g++" [2024-11-09 07:07:29,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:07:29,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:07:29,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2024-11-09 07:07:29,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/data/746b7b6c8/61d396a3dabe436cad9db5d9d173c387/FLAG4f4e3de33 [2024-11-09 07:07:29,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/data/746b7b6c8/61d396a3dabe436cad9db5d9d173c387 [2024-11-09 07:07:29,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:07:29,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:07:29,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:07:29,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:07:29,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:07:29,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:07:29" (1/1) ... [2024-11-09 07:07:29,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2663a12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:29, skipping insertion in model container [2024-11-09 07:07:29,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:07:29" (1/1) ... [2024-11-09 07:07:30,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:07:30,278 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2024-11-09 07:07:30,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:07:30,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:07:30,608 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2024-11-09 07:07:30,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:07:30,731 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:07:30,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30 WrapperNode [2024-11-09 07:07:30,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:07:30,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:07:30,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:07:30,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:07:30,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,781 INFO L138 Inliner]: procedures = 188, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-09 07:07:30,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:07:30,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:07:30,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:07:30,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:07:30,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:07:30,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:07:30,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:07:30,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:07:30,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (1/1) ... [2024-11-09 07:07:30,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:07:30,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:07:30,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:07:30,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:07:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:07:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:07:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:07:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:07:31,012 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:07:31,015 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:07:31,259 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 07:07:31,261 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:07:31,274 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:07:31,275 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:07:31,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:07:31 BoogieIcfgContainer [2024-11-09 07:07:31,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:07:31,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:07:31,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:07:31,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:07:31,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:07:29" (1/3) ... [2024-11-09 07:07:31,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222e0c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:07:31, skipping insertion in model container [2024-11-09 07:07:31,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:07:30" (2/3) ... [2024-11-09 07:07:31,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222e0c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:07:31, skipping insertion in model container [2024-11-09 07:07:31,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:07:31" (3/3) ... [2024-11-09 07:07:31,287 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_19-simpler_true.i [2024-11-09 07:07:31,330 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:07:31,331 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 07:07:31,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:07:31,415 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;@1e09dedd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:07:31,416 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 07:07:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:07:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 07:07:31,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:07:31,430 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 07:07:31,430 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-09 07:07:31,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:07:31,440 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-11-09 07:07:31,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:07:31,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436311857] [2024-11-09 07:07:31,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:07:31,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:07:31,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:07:31,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:07:31,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 07:07:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:07:31,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:07:31,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:07:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:07:31,728 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:07:31,733 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:07:31,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436311857] [2024-11-09 07:07:31,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436311857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:07:31,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:07:31,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:07:31,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418462007] [2024-11-09 07:07:31,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:07:31,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:07:31,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:07:31,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:07:31,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:07:31,781 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:07:31,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:07:31,815 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2024-11-09 07:07:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:07:31,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 07:07:31,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:07:31,827 INFO L225 Difference]: With dead ends: 15 [2024-11-09 07:07:31,827 INFO L226 Difference]: Without dead ends: 6 [2024-11-09 07:07:31,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:07:31,836 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:07:31,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:07:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2024-11-09 07:07:31,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-11-09 07:07:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:07:31,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2024-11-09 07:07:31,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4 [2024-11-09 07:07:31,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:07:31,876 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2024-11-09 07:07:31,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:07:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-11-09 07:07:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 07:07:31,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:07:31,878 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 07:07:31,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 07:07:32,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:07:32,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-09 07:07:32,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:07:32,079 INFO L85 PathProgramCache]: Analyzing trace with hash 28698731, now seen corresponding path program 1 times [2024-11-09 07:07:32,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:07:32,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388052508] [2024-11-09 07:07:32,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:07:32,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:07:32,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:07:32,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 07:07:32,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 07:07:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:07:32,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:07:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:07:32,239 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 07:07:32,239 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:07:32,241 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-09 07:07:32,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-09 07:07:32,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 07:07:32,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 07:07:32,450 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:07:32,467 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:07:32,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:07:32 BoogieIcfgContainer [2024-11-09 07:07:32,471 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:07:32,472 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:07:32,472 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:07:32,472 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:07:32,473 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:07:31" (3/4) ... [2024-11-09 07:07:32,476 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:07:32,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:07:32,479 INFO L158 Benchmark]: Toolchain (without parser) took 2502.87ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.5MB in the beginning and 68.7MB in the end (delta: -21.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-11-09 07:07:32,479 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:07:32,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.76ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 44.1MB in the end (delta: 3.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-09 07:07:32,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.59ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 41.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:07:32,481 INFO L158 Benchmark]: Boogie Preprocessor took 50.61ms. Allocated memory is still 73.4MB. Free memory was 41.9MB in the beginning and 40.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:07:32,482 INFO L158 Benchmark]: RCFGBuilder took 444.09ms. Allocated memory is still 73.4MB. Free memory was 40.2MB in the beginning and 29.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 07:07:32,483 INFO L158 Benchmark]: TraceAbstraction took 1190.92ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 29.1MB in the beginning and 68.7MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:07:32,483 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 98.6MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:07:32,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.76ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 44.1MB in the end (delta: 3.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.59ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 41.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.61ms. Allocated memory is still 73.4MB. Free memory was 41.9MB in the beginning and 40.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.09ms. Allocated memory is still 73.4MB. Free memory was 40.2MB in the beginning and 29.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1190.92ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 29.1MB in the beginning and 68.7MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 98.6MB. Free memory is still 68.7MB. 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: 726]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 726. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L729] int val; [L730] CALL __VERIFIER_assert(global == 0) [L19] COND FALSE !(!(cond)) VAL [global=0] [L730] RET __VERIFIER_assert(global == 0) [L732] CALL fun() [L726] longjmp(env_buffer, 2) VAL [global=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: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 1 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:07:32,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d46ea31-30ae-4039-82c4-cd299e19e2c0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample