./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 20:39:37,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:39:37,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:39:37,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:39:37,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:39:37,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:39:37,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:39:37,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:39:37,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:39:37,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:39:37,311 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:39:37,312 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:39:37,317 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:39:37,322 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:39:37,322 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:39:37,323 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:39:37,324 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:39:37,325 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:39:37,326 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:39:37,326 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:39:37,327 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:39:37,327 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:39:37,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:39:37,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:39:37,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:39:37,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:39:37,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:39:37,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:39:37,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:39:37,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:39:37,333 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:39:37,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:39:37,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:39:37,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:39:37,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:39:37,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:39:37,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:39:37,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:39:37,335 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:39:37,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:39:37,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:39:37,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:39:37,336 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:39:37,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:39:37,337 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_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf [2023-11-23 20:39:37,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:39:37,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:39:37,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:39:37,642 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:39:37,643 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:39:37,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2023-11-23 20:39:41,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:39:41,366 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:39:41,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2023-11-23 20:39:41,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/data/94fad7590/1da5612b600943c9ad0ae7e09cd8b2b3/FLAGf39eca786 [2023-11-23 20:39:41,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/data/94fad7590/1da5612b600943c9ad0ae7e09cd8b2b3 [2023-11-23 20:39:41,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:39:41,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:39:41,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:39:41,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:39:41,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:39:41,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:41" (1/1) ... [2023-11-23 20:39:41,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c62b8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:41, skipping insertion in model container [2023-11-23 20:39:41,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:41" (1/1) ... [2023-11-23 20:39:41,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:39:41,668 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_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2023-11-23 20:39:41,811 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:39:41,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:39:41,941 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:39:41,959 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_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2023-11-23 20:39:41,988 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:39:42,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:39:42,052 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:39:42,061 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:39:42,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42 WrapperNode [2023-11-23 20:39:42,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:39:42,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:39:42,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:39:42,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:39:42,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,116 INFO L138 Inliner]: procedures = 188, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-11-23 20:39:42,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:39:42,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:39:42,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:39:42,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:39:42,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:39:42,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:39:42,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:39:42,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:39:42,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (1/1) ... [2023-11-23 20:39:42,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:39:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:39:42,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:39:42,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:39:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:39:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:39:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:39:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:39:42,360 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:39:42,363 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:39:42,498 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:39:42,522 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:39:42,523 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:39:42,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:39:42 BoogieIcfgContainer [2023-11-23 20:39:42,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:39:42,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:39:42,528 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:39:42,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:39:42,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:39:41" (1/3) ... [2023-11-23 20:39:42,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b68f6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:39:42, skipping insertion in model container [2023-11-23 20:39:42,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:42" (2/3) ... [2023-11-23 20:39:42,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b68f6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:39:42, skipping insertion in model container [2023-11-23 20:39:42,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:39:42" (3/3) ... [2023-11-23 20:39:42,535 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_19-simpler_true.i [2023-11-23 20:39:42,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:39:42,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 20:39:42,608 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:39:42,615 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;@2a59c41c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:39:42,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 20:39:42,620 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) [2023-11-23 20:39:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:39:42,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:39:42,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-23 20:39:42,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-23 20:39:42,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:39:42,635 INFO L85 PathProgramCache]: Analyzing trace with hash 53978, now seen corresponding path program 1 times [2023-11-23 20:39:42,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:39:42,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151064441] [2023-11-23 20:39:42,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:39:42,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:39:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:39:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:39:42,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:39:42,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151064441] [2023-11-23 20:39:42,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151064441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:39:42,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:39:42,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:39:42,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065828532] [2023-11-23 20:39:42,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:39:42,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:39:42,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:39:43,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:39:43,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:39:43,051 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) [2023-11-23 20:39:43,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:39:43,079 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2023-11-23 20:39:43,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:39:43,082 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 [2023-11-23 20:39:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:39:43,088 INFO L225 Difference]: With dead ends: 11 [2023-11-23 20:39:43,088 INFO L226 Difference]: Without dead ends: 5 [2023-11-23 20:39:43,091 INFO L412 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 [2023-11-23 20:39:43,095 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:39:43,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:39:43,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2023-11-23 20:39:43,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2023-11-23 20:39:43,128 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) [2023-11-23 20:39:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2023-11-23 20:39:43,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2023-11-23 20:39:43,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:39:43,131 INFO L495 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2023-11-23 20:39:43,131 INFO L496 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) [2023-11-23 20:39:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2023-11-23 20:39:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:39:43,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:39:43,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 20:39:43,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:39:43,133 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-23 20:39:43,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:39:43,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1678294, now seen corresponding path program 1 times [2023-11-23 20:39:43,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:39:43,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900164325] [2023-11-23 20:39:43,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:39:43,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:39:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:39:43,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:39:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:39:43,235 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:39:43,236 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:39:43,238 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-23 20:39:43,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-23 20:39:43,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:39:43,245 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 20:39:43,249 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:39:43,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:39:43 BoogieIcfgContainer [2023-11-23 20:39:43,279 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:39:43,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:39:43,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:39:43,280 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:39:43,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:39:42" (3/4) ... [2023-11-23 20:39:43,284 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:39:43,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:39:43,287 INFO L158 Benchmark]: Toolchain (without parser) took 1879.74ms. Allocated memory is still 195.0MB. Free memory was 152.1MB in the beginning and 154.8MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:39:43,289 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 113.2MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:39:43,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.91ms. Allocated memory is still 195.0MB. Free memory was 152.1MB in the beginning and 130.4MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:39:43,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.66ms. Allocated memory is still 195.0MB. Free memory was 130.4MB in the beginning and 128.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:39:43,299 INFO L158 Benchmark]: Boogie Preprocessor took 56.93ms. Allocated memory is still 195.0MB. Free memory was 128.7MB in the beginning and 127.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:39:43,299 INFO L158 Benchmark]: RCFGBuilder took 349.12ms. Allocated memory is still 195.0MB. Free memory was 127.0MB in the beginning and 116.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:39:43,300 INFO L158 Benchmark]: TraceAbstraction took 751.35ms. Allocated memory is still 195.0MB. Free memory was 116.1MB in the beginning and 154.8MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:39:43,300 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 195.0MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:39:43,308 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 113.2MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.91ms. Allocated memory is still 195.0MB. Free memory was 152.1MB in the beginning and 130.4MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.66ms. Allocated memory is still 195.0MB. Free memory was 130.4MB in the beginning and 128.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.93ms. Allocated memory is still 195.0MB. Free memory was 128.7MB in the beginning and 127.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.12ms. Allocated memory is still 195.0MB. Free memory was 127.0MB in the beginning and 116.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 751.35ms. Allocated memory is still 195.0MB. Free memory was 116.1MB in the beginning and 154.8MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 195.0MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 726]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds 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 [\old(cond)=1, cond=1, 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 3 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 [2023-11-23 20:39:43,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 20:39:46,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:39:46,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 20:39:46,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:39:46,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:39:46,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:39:46,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:39:46,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:39:46,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:39:46,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:39:46,175 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:39:46,175 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:39:46,176 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:39:46,176 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:39:46,177 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:39:46,177 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:39:46,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:39:46,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:39:46,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:39:46,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:39:46,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:39:46,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:39:46,181 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:39:46,182 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:39:46,182 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:39:46,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:39:46,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:39:46,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:39:46,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:39:46,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:39:46,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:39:46,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:39:46,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:39:46,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:39:46,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:39:46,186 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:39:46,186 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:39:46,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:39:46,187 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:39:46,187 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:39:46,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:39:46,192 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_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4b1285e1e15d49480c2da398d1b140bea8ea9759fba62976c73931387bed3cf [2023-11-23 20:39:46,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:39:46,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:39:46,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:39:46,695 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:39:46,696 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:39:46,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2023-11-23 20:39:50,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:39:50,429 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:39:50,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i [2023-11-23 20:39:50,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/data/ef692b72d/170e93c99bb94cc59e1a108335843136/FLAGbe7ed80a1 [2023-11-23 20:39:50,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/data/ef692b72d/170e93c99bb94cc59e1a108335843136 [2023-11-23 20:39:50,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:39:50,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:39:50,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:39:50,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:39:50,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:39:50,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:50" (1/1) ... [2023-11-23 20:39:50,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1079eb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:50, skipping insertion in model container [2023-11-23 20:39:50,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:39:50" (1/1) ... [2023-11-23 20:39:50,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:39:50,743 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_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2023-11-23 20:39:50,912 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:39:51,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:39:51,030 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:39:51,044 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_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/sv-benchmarks/c/longjmp/68-longjmp_19-simpler_true.i[1081,1094] [2023-11-23 20:39:51,072 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:39:51,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:39:51,222 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:39:51,230 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:39:51,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51 WrapperNode [2023-11-23 20:39:51,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:39:51,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:39:51,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:39:51,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:39:51,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,333 INFO L138 Inliner]: procedures = 189, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-11-23 20:39:51,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:39:51,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:39:51,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:39:51,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:39:51,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:39:51,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:39:51,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:39:51,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:39:51,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (1/1) ... [2023-11-23 20:39:51,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:39:51,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:39:51,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:39:51,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:39:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:39:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:39:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:39:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:39:51,568 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:39:51,571 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:39:51,694 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:39:51,745 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:39:51,754 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:39:51,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:39:51 BoogieIcfgContainer [2023-11-23 20:39:51,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:39:51,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:39:51,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:39:51,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:39:51,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:39:50" (1/3) ... [2023-11-23 20:39:51,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fde2b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:39:51, skipping insertion in model container [2023-11-23 20:39:51,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:39:51" (2/3) ... [2023-11-23 20:39:51,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fde2b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:39:51, skipping insertion in model container [2023-11-23 20:39:51,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:39:51" (3/3) ... [2023-11-23 20:39:51,769 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_19-simpler_true.i [2023-11-23 20:39:51,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:39:51,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 20:39:51,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:39:51,862 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;@3e3e0a71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:39:51,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 20:39:51,868 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) [2023-11-23 20:39:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:39:51,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:39:51,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-23 20:39:51,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-23 20:39:51,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:39:51,886 INFO L85 PathProgramCache]: Analyzing trace with hash 53978, now seen corresponding path program 1 times [2023-11-23 20:39:51,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:39:51,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432564167] [2023-11-23 20:39:51,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:39:51,924 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 [2023-11-23 20:39:51,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:39:51,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:39:51,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:39:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:39:52,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:39:52,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:39:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:39:52,199 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:39:52,200 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:39:52,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432564167] [2023-11-23 20:39:52,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432564167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:39:52,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:39:52,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:39:52,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14234005] [2023-11-23 20:39:52,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:39:52,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:39:52,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:39:52,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:39:52,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:39:52,260 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) [2023-11-23 20:39:52,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:39:52,304 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2023-11-23 20:39:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:39:52,307 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 [2023-11-23 20:39:52,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:39:52,316 INFO L225 Difference]: With dead ends: 11 [2023-11-23 20:39:52,316 INFO L226 Difference]: Without dead ends: 5 [2023-11-23 20:39:52,319 INFO L412 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 [2023-11-23 20:39:52,326 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:39:52,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:39:52,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2023-11-23 20:39:52,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2023-11-23 20:39:52,366 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) [2023-11-23 20:39:52,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2023-11-23 20:39:52,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2023-11-23 20:39:52,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:39:52,369 INFO L495 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2023-11-23 20:39:52,370 INFO L496 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) [2023-11-23 20:39:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2023-11-23 20:39:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:39:52,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:39:52,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 20:39:52,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:39:52,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:39:52,575 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-23 20:39:52,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:39:52,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1678294, now seen corresponding path program 1 times [2023-11-23 20:39:52,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:39:52,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195668044] [2023-11-23 20:39:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:39:52,577 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 [2023-11-23 20:39:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:39:52,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:39:52,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:39:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:39:52,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:39:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:39:52,739 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 20:39:52,739 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:39:52,741 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-23 20:39:52,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-23 20:39:52,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:39:52,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:39:52,948 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 20:39:52,952 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:39:52,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:39:52 BoogieIcfgContainer [2023-11-23 20:39:52,976 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:39:52,976 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:39:52,977 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:39:52,977 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:39:52,977 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:39:51" (3/4) ... [2023-11-23 20:39:52,980 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:39:52,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:39:52,984 INFO L158 Benchmark]: Toolchain (without parser) took 2499.02ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 60.9MB in the beginning and 78.2MB in the end (delta: -17.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-23 20:39:52,990 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 61.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:39:52,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.91ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 59.2MB in the end (delta: 1.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-23 20:39:52,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.25ms. Allocated memory is still 86.0MB. Free memory was 59.2MB in the beginning and 57.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:39:52,993 INFO L158 Benchmark]: Boogie Preprocessor took 54.21ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 55.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:39:52,993 INFO L158 Benchmark]: RCFGBuilder took 365.56ms. Allocated memory is still 86.0MB. Free memory was 55.8MB in the beginning and 45.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:39:52,994 INFO L158 Benchmark]: TraceAbstraction took 1217.76ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 44.5MB in the beginning and 78.6MB in the end (delta: -34.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2023-11-23 20:39:52,999 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 121.6MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:39:53,002 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 86.0MB. Free memory was 62.1MB in the beginning and 61.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.91ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 59.2MB in the end (delta: 1.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.25ms. Allocated memory is still 86.0MB. Free memory was 59.2MB in the beginning and 57.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.21ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 55.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.56ms. Allocated memory is still 86.0MB. Free memory was 55.8MB in the beginning and 45.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1217.76ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 44.5MB in the beginning and 78.6MB in the end (delta: -34.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 121.6MB. Free memory is still 78.2MB. 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 unknown kind of specification holds Unable to prove that unknown kind of specification holds 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 [\old(cond)=1, cond=1, 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: 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, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 3 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 2 NumberOfNonLiveVariables, 30 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 [2023-11-23 20:39:53,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c07f1f4-3ab4-4b03-b468-ca6283681ef9/bin/utaipan-verify-mE87zJ7Ire/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