./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_neg.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91 --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 a3acf536be746f9202956c98e9abec0e13d033c115fcc8a988c1d2080c39a1fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:03,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:03,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:57:03,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:03,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:03,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:03,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:03,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:03,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:03,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:03,189 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:03,190 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:03,190 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:03,192 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:57:03,193 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:03,193 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:03,194 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:57:03,194 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:57:03,195 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:03,195 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:57:03,196 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:57:03,197 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:57:03,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:03,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:03,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:57:03,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:03,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:03,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:03,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:03,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:03,229 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:03,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:03,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:03,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:03,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:03,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:03,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:03,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:03,233 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:57:03,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:57:03,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:03,236 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:03,236 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:03,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:03,237 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_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3acf536be746f9202956c98e9abec0e13d033c115fcc8a988c1d2080c39a1fc [2023-11-24 23:57:03,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:03,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:03,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:03,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:03,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:03,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_neg.i [2023-11-24 23:57:06,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:07,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:07,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_neg.i [2023-11-24 23:57:07,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/data/3244cae84/c4859e3b665e4109b32ad3445aa0e506/FLAG59bc71877 [2023-11-24 23:57:07,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/data/3244cae84/c4859e3b665e4109b32ad3445aa0e506 [2023-11-24 23:57:07,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:07,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:07,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:07,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:07,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:07,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7cc42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07, skipping insertion in model container [2023-11-24 23:57:07,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:07,284 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_740617bb-b902-4c0d-8a61-f66839235e60/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_neg.i[1098,1111] [2023-11-24 23:57:07,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:07,317 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:07,330 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_740617bb-b902-4c0d-8a61-f66839235e60/sv-benchmarks/c/longjmp/68-longjmp_12-counting-global_unknown_1_neg.i[1098,1111] [2023-11-24 23:57:07,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:07,354 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:07,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07 WrapperNode [2023-11-24 23:57:07,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:07,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:07,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:07,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:07,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,399 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2023-11-24 23:57:07,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:07,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:07,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:07,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:07,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:07,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:07,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:07,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:07,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:07,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:07,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:07,665 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:07,668 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:07,775 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:07,795 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:07,795 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:07,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:07 BoogieIcfgContainer [2023-11-24 23:57:07,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:07,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:07,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:07,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:07,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:07" (1/3) ... [2023-11-24 23:57:07,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:07, skipping insertion in model container [2023-11-24 23:57:07,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07" (2/3) ... [2023-11-24 23:57:07,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:07, skipping insertion in model container [2023-11-24 23:57:07,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:07" (3/3) ... [2023-11-24 23:57:07,807 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_12-counting-global_unknown_1_neg.i [2023-11-24 23:57:07,826 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:07,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:57:07,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:07,881 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;@63925559, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:07,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:57:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 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) [2023-11-24 23:57:07,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:57:07,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:07,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-24 23:57:07,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-24 23:57:07,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash 59744, now seen corresponding path program 1 times [2023-11-24 23:57:07,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:07,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988243292] [2023-11-24 23:57:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:08,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:08,054 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:57:08,056 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:08,058 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-24 23:57:08,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (0 of 2 remaining) [2023-11-24 23:57:08,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:57:08,066 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:57:08,072 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:08,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:08 BoogieIcfgContainer [2023-11-24 23:57:08,095 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:08,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:08,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:08,100 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:08,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:07" (3/4) ... [2023-11-24 23:57:08,102 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:57:08,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:57:08,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:08,158 INFO L158 Benchmark]: Toolchain (without parser) took 1107.02ms. Allocated memory is still 201.3MB. Free memory was 168.5MB in the beginning and 147.0MB in the end (delta: 21.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,159 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 130.0MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:08,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.16ms. Allocated memory is still 201.3MB. Free memory was 168.3MB in the beginning and 160.5MB in the end (delta: 7.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.76ms. Allocated memory is still 201.3MB. Free memory was 160.5MB in the beginning and 159.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:08,164 INFO L158 Benchmark]: Boogie Preprocessor took 40.02ms. Allocated memory is still 201.3MB. Free memory was 159.3MB in the beginning and 158.4MB in the end (delta: 831.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,167 INFO L158 Benchmark]: RCFGBuilder took 356.70ms. Allocated memory is still 201.3MB. Free memory was 158.4MB in the beginning and 162.8MB in the end (delta: -4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,168 INFO L158 Benchmark]: TraceAbstraction took 295.65ms. Allocated memory is still 201.3MB. Free memory was 162.5MB in the beginning and 148.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,169 INFO L158 Benchmark]: Witness Printer took 57.12ms. Allocated memory is still 201.3MB. Free memory was 148.1MB in the beginning and 147.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 130.0MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.16ms. Allocated memory is still 201.3MB. Free memory was 168.3MB in the beginning and 160.5MB in the end (delta: 7.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.76ms. Allocated memory is still 201.3MB. Free memory was 160.5MB in the beginning and 159.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.02ms. Allocated memory is still 201.3MB. Free memory was 159.3MB in the beginning and 158.4MB in the end (delta: 831.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.70ms. Allocated memory is still 201.3MB. Free memory was 158.4MB in the beginning and 162.8MB in the end (delta: -4.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 295.65ms. Allocated memory is still 201.3MB. Free memory was 162.5MB in the beginning and 148.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 57.12ms. Allocated memory is still 201.3MB. Free memory was 148.1MB in the beginning and 147.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L44] jmp_buf my_jump_buffer; [L45] int count = 0; [L54] CALL __VERIFIER_assert(!(count == 0)) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, count=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, count=0] - UnprovableResult [Line: 49]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:57:08,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_740617bb-b902-4c0d-8a61-f66839235e60/bin/utaipan-verify-SwPr7d2a91/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE