./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/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_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/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_560cd375-e86c-49a4-8650-ac5b9b740dc0/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 943b906ff0eea778295f4040f6f96bfc69b085a13ca3432561338e055a9cdab8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:15,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:15,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:58:15,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:15,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:15,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:15,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:15,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:15,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:15,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:15,562 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:15,564 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:15,565 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:15,567 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:15,568 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:15,568 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:15,569 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:15,570 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:15,570 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:15,571 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:15,572 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:15,573 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:15,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:15,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:15,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:15,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:15,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:15,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:15,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:15,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:15,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:15,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:15,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:15,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:15,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:15,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:15,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:15,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:15,584 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:15,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:15,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:15,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:15,586 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:15,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:15,587 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_560cd375-e86c-49a4-8650-ac5b9b740dc0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 943b906ff0eea778295f4040f6f96bfc69b085a13ca3432561338e055a9cdab8 [2023-11-24 23:58:15,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:15,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:15,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:15,987 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:15,988 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:15,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i [2023-11-24 23:58:19,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:19,447 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:19,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i [2023-11-24 23:58:19,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/data/fc8130ac9/8d1f575cf7d843b49385a4237e9b8d34/FLAGe4d2da641 [2023-11-24 23:58:19,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/data/fc8130ac9/8d1f575cf7d843b49385a4237e9b8d34 [2023-11-24 23:58:19,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:19,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:19,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:19,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:19,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:19,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b88529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19, skipping insertion in model container [2023-11-24 23:58:19,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:19,652 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_560cd375-e86c-49a4-8650-ac5b9b740dc0/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i[1097,1110] [2023-11-24 23:58:19,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:19,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:19,701 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_560cd375-e86c-49a4-8650-ac5b9b740dc0/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i[1097,1110] [2023-11-24 23:58:19,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:19,724 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:19,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19 WrapperNode [2023-11-24 23:58:19,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:19,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:19,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:19,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:19,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,766 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-11-24 23:58:19,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:19,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:19,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:19,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:19,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:19,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:19,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:19,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:19,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (1/1) ... [2023-11-24 23:58:19,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:19,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:19,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:19,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:19,938 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:19,940 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:20,055 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:20,077 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:20,077 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:58:20,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:20 BoogieIcfgContainer [2023-11-24 23:58:20,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:20,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:20,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:20,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:20,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:19" (1/3) ... [2023-11-24 23:58:20,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b463510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:20, skipping insertion in model container [2023-11-24 23:58:20,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:19" (2/3) ... [2023-11-24 23:58:20,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b463510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:20, skipping insertion in model container [2023-11-24 23:58:20,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:20" (3/3) ... [2023-11-24 23:58:20,089 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_13-counting-local_unknown_1_pos.i [2023-11-24 23:58:20,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:20,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:58:20,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:20,166 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;@422c6a52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:20,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:58:20,171 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 23:58:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:58:20,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:20,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-24 23:58:20,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-24 23:58:20,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:20,185 INFO L85 PathProgramCache]: Analyzing trace with hash 58783, now seen corresponding path program 1 times [2023-11-24 23:58:20,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:20,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299896741] [2023-11-24 23:58:20,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:20,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:20,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:20,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299896741] [2023-11-24 23:58:20,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299896741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:20,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:20,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:58:20,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363991977] [2023-11-24 23:58:20,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:20,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:20,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:20,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:20,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:20,523 INFO L87 Difference]: Start difference. First 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) 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) [2023-11-24 23:58:20,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:20,609 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2023-11-24 23:58:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:20,612 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 [2023-11-24 23:58:20,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:20,617 INFO L225 Difference]: With dead ends: 16 [2023-11-24 23:58:20,618 INFO L226 Difference]: Without dead ends: 6 [2023-11-24 23:58:20,620 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 [2023-11-24 23:58:20,637 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:20,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:58:20,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2023-11-24 23:58:20,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-11-24 23:58:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:58:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2023-11-24 23:58:20,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 3 [2023-11-24 23:58:20,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:20,671 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2023-11-24 23:58:20,671 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) [2023-11-24 23:58:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-11-24 23:58:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:58:20,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:20,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-24 23:58:20,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:58:20,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-24 23:58:20,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:20,674 INFO L85 PathProgramCache]: Analyzing trace with hash 56644707, now seen corresponding path program 1 times [2023-11-24 23:58:20,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:20,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125094095] [2023-11-24 23:58:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:20,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:20,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:58:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:20,753 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:58:20,753 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:58:20,755 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-24 23:58:20,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-24 23:58:20,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:58:20,764 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:58:20,769 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:58:20,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:58:20 BoogieIcfgContainer [2023-11-24 23:58:20,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:58:20,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:58:20,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:58:20,794 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:58:20,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:20" (3/4) ... [2023-11-24 23:58:20,797 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:58:20,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:58:20,800 INFO L158 Benchmark]: Toolchain (without parser) took 1328.01ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 93.3MB in the beginning and 157.0MB in the end (delta: -63.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:20,801 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:20,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.37ms. Allocated memory is still 134.2MB. Free memory was 92.9MB in the beginning and 82.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:58:20,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.75ms. Allocated memory is still 134.2MB. Free memory was 82.4MB in the beginning and 80.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:20,808 INFO L158 Benchmark]: Boogie Preprocessor took 27.08ms. Allocated memory is still 134.2MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:20,808 INFO L158 Benchmark]: RCFGBuilder took 284.27ms. Allocated memory is still 134.2MB. Free memory was 79.5MB in the beginning and 69.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:58:20,809 INFO L158 Benchmark]: TraceAbstraction took 710.75ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 69.0MB in the beginning and 157.0MB in the end (delta: -88.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:20,809 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 192.9MB. Free memory is still 157.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:20,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 134.2MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.37ms. Allocated memory is still 134.2MB. Free memory was 92.9MB in the beginning and 82.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.75ms. Allocated memory is still 134.2MB. Free memory was 82.4MB in the beginning and 80.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.08ms. Allocated memory is still 134.2MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.27ms. Allocated memory is still 134.2MB. Free memory was 79.5MB in the beginning and 69.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 710.75ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 69.0MB in the beginning and 157.0MB in the end (delta: -88.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 192.9MB. Free memory is still 157.0MB. 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: 47]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 47. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L51] volatile int count = 0; [L53] CALL __VERIFIER_assert(count == 0) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L53] RET __VERIFIER_assert(count == 0) [L54] COND TRUE count < 5 [L55] count++ [L56] CALL foo(count) [L47] longjmp(my_jump_buffer, 1) VAL [\old(count)=1, count=1] - 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 5 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=10occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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 [2023-11-24 23:58:20,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/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_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/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 943b906ff0eea778295f4040f6f96bfc69b085a13ca3432561338e055a9cdab8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:23,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:23,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-24 23:58:23,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:23,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:24,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:24,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:24,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:24,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:24,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:24,011 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:24,011 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:24,012 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:24,014 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:24,014 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:24,015 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:24,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:24,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:24,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:24,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:24,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:24,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:24,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:58:24,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:58:24,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:58:24,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:24,022 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:24,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:24,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:58:24,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:24,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:24,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:24,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:24,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:24,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:24,027 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:58:24,028 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:58:24,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:24,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:24,029 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:24,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:24,030 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_560cd375-e86c-49a4-8650-ac5b9b740dc0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 943b906ff0eea778295f4040f6f96bfc69b085a13ca3432561338e055a9cdab8 [2023-11-24 23:58:24,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:24,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:24,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:24,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:24,492 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:24,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i [2023-11-24 23:58:27,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:27,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:27,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i [2023-11-24 23:58:27,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/data/9cad191e7/fb772616c25344828419ef10cc93198f/FLAG4f856a01b [2023-11-24 23:58:27,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/data/9cad191e7/fb772616c25344828419ef10cc93198f [2023-11-24 23:58:27,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:27,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:27,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:27,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:27,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:27,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75481e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27, skipping insertion in model container [2023-11-24 23:58:27,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:28,227 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_560cd375-e86c-49a4-8650-ac5b9b740dc0/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i[1097,1110] [2023-11-24 23:58:28,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:28,293 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:28,315 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_560cd375-e86c-49a4-8650-ac5b9b740dc0/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_unknown_1_pos.i[1097,1110] [2023-11-24 23:58:28,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:28,360 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:28,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28 WrapperNode [2023-11-24 23:58:28,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:28,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:28,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:28,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:28,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,417 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-11-24 23:58:28,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:28,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:28,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:28,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:28,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:28,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:28,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:28,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:28,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (1/1) ... [2023-11-24 23:58:28,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:28,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:28,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:28,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:28,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:28,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:58:28,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:28,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:28,688 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:28,691 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:28,957 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:28,991 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:28,991 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:58:28,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:28 BoogieIcfgContainer [2023-11-24 23:58:28,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:28,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:28,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:29,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:29,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:27" (1/3) ... [2023-11-24 23:58:29,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4f0b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:29, skipping insertion in model container [2023-11-24 23:58:29,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:28" (2/3) ... [2023-11-24 23:58:29,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4f0b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:29, skipping insertion in model container [2023-11-24 23:58:29,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:28" (3/3) ... [2023-11-24 23:58:29,010 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_13-counting-local_unknown_1_pos.i [2023-11-24 23:58:29,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:29,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:58:29,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:29,121 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;@4a3fdc67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:29,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:58:29,127 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 23:58:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:58:29,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:29,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-24 23:58:29,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-24 23:58:29,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:29,146 INFO L85 PathProgramCache]: Analyzing trace with hash 58783, now seen corresponding path program 1 times [2023-11-24 23:58:29,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:29,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119320702] [2023-11-24 23:58:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:29,170 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 [2023-11-24 23:58:29,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:29,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:58:29,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:29,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:58:29,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:58:29,401 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:29,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:29,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119320702] [2023-11-24 23:58:29,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119320702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:29,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:29,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:58:29,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710909262] [2023-11-24 23:58:29,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:29,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:29,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:29,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:29,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:29,476 INFO L87 Difference]: Start difference. First 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) 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) [2023-11-24 23:58:29,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:29,522 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2023-11-24 23:58:29,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:29,526 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 [2023-11-24 23:58:29,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:29,536 INFO L225 Difference]: With dead ends: 16 [2023-11-24 23:58:29,536 INFO L226 Difference]: Without dead ends: 6 [2023-11-24 23:58:29,540 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 [2023-11-24 23:58:29,544 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:29,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:58:29,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2023-11-24 23:58:29,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-11-24 23:58:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:58:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2023-11-24 23:58:29,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 3 [2023-11-24 23:58:29,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:29,584 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2023-11-24 23:58:29,585 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) [2023-11-24 23:58:29,585 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-11-24 23:58:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:58:29,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:29,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-24 23:58:29,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:58:29,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:29,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2023-11-24 23:58:29,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:29,790 INFO L85 PathProgramCache]: Analyzing trace with hash 56644707, now seen corresponding path program 1 times [2023-11-24 23:58:29,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:29,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279839256] [2023-11-24 23:58:29,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:29,792 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 [2023-11-24 23:58:29,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:29,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:58:29,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:29,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:58:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:29,928 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:58:29,928 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:58:29,930 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-24 23:58:29,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-24 23:58:29,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:30,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:58:30,139 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:58:30,142 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:58:30,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:58:30 BoogieIcfgContainer [2023-11-24 23:58:30,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:58:30,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:58:30,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:58:30,160 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:58:30,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:28" (3/4) ... [2023-11-24 23:58:30,163 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:58:30,165 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:58:30,166 INFO L158 Benchmark]: Toolchain (without parser) took 2219.32ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 43.1MB in the beginning and 53.9MB in the end (delta: -10.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-24 23:58:30,166 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:30,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.13ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 31.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:58:30,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.74ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 31.7MB in the beginning and 66.8MB in the end (delta: -35.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:30,168 INFO L158 Benchmark]: Boogie Preprocessor took 53.18ms. Allocated memory is still 88.1MB. Free memory was 66.8MB in the beginning and 65.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:30,169 INFO L158 Benchmark]: RCFGBuilder took 518.09ms. Allocated memory is still 88.1MB. Free memory was 65.5MB in the beginning and 55.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:58:30,170 INFO L158 Benchmark]: TraceAbstraction took 1163.85ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 54.4MB in the end (delta: 254.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:30,170 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 88.1MB. Free memory was 54.4MB in the beginning and 53.9MB in the end (delta: 441.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:30,174 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.13ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 31.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.74ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 31.7MB in the beginning and 66.8MB in the end (delta: -35.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.18ms. Allocated memory is still 88.1MB. Free memory was 66.8MB in the beginning and 65.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.09ms. Allocated memory is still 88.1MB. Free memory was 65.5MB in the beginning and 55.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1163.85ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 54.4MB in the end (delta: 254.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 88.1MB. Free memory was 54.4MB in the beginning and 53.9MB in the end (delta: 441.0kB). 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 - UnprovableResult [Line: 47]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 47. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L51] volatile int count = 0; [L53] CALL __VERIFIER_assert(count == 0) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L53] RET __VERIFIER_assert(count == 0) [L54] COND TRUE count < 5 [L55] count++ [L56] CALL foo(count) [L47] longjmp(my_jump_buffer, 1) VAL [\old(count)=1, count=1] - 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, 10 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, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 5 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=10occurred 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 2 NumberOfNonLiveVariables, 29 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 [2023-11-24 23:58:30,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560cd375-e86c-49a4-8650-ac5b9b740dc0/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 Result: UNKNOWN: Overapproximated counterexample