./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2 --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 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:14,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:14,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:25:14,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:14,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:14,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:14,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:14,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:14,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:14,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:14,177 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:14,177 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:14,178 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:14,180 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:25:14,181 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:14,181 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:14,183 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:25:14,183 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:25:14,184 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:14,184 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:25:14,189 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:25:14,190 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:25:14,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:14,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:14,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:25:14,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:14,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:14,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:14,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:14,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:14,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:14,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:14,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:14,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:14,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:14,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:14,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:14,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:14,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:14,200 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:25:14,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:25:14,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:14,202 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:14,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:14,202 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_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee [2024-11-02 11:25:14,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:14,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:14,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:14,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:14,619 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:14,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i Unable to find full path for "g++" [2024-11-02 11:25:16,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:17,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:17,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i [2024-11-02 11:25:17,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/data/330b8e21e/c4c39b4b6c3b4beaab351efd1a6df014/FLAG0d6583bde [2024-11-02 11:25:17,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/data/330b8e21e/c4c39b4b6c3b4beaab351efd1a6df014 [2024-11-02 11:25:17,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:17,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:17,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:17,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:17,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:17,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:17" (1/1) ... [2024-11-02 11:25:17,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f941adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:17, skipping insertion in model container [2024-11-02 11:25:17,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:17" (1/1) ... [2024-11-02 11:25:17,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:17,681 WARN L251 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_892141e6-9613-4d4e-9716-8f05e6a0cee8/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i[1094,1107] [2024-11-02 11:25:17,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:17,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:17,994 WARN L251 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_892141e6-9613-4d4e-9716-8f05e6a0cee8/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i[1094,1107] [2024-11-02 11:25:18,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:18,125 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:18,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18 WrapperNode [2024-11-02 11:25:18,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:18,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:18,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:18,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:18,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,192 INFO L138 Inliner]: procedures = 187, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-02 11:25:18,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:18,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:18,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:18,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:18,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:18,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:18,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:18,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:18,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (1/1) ... [2024-11-02 11:25:18,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:18,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:18,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:18,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:25:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:18,461 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:18,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:18,640 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-02 11:25:18,640 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:18,729 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:18,729 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:25:18,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:18 BoogieIcfgContainer [2024-11-02 11:25:18,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:18,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:18,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:18,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:18,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:17" (1/3) ... [2024-11-02 11:25:18,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610db569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:18, skipping insertion in model container [2024-11-02 11:25:18,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:18" (2/3) ... [2024-11-02 11:25:18,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610db569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:18, skipping insertion in model container [2024-11-02 11:25:18,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:18" (3/3) ... [2024-11-02 11:25:18,748 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_18-simple-else_unknown_2_neg.i [2024-11-02 11:25:18,771 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:18,771 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 11:25:18,863 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:18,876 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2954140e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:18,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 11:25:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-02 11:25:18,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:18,897 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-02 11:25:18,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-02 11:25:18,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:18,909 INFO L85 PathProgramCache]: Analyzing trace with hash 62627, now seen corresponding path program 1 times [2024-11-02 11:25:18,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:18,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929969144] [2024-11-02 11:25:18,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:18,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:19,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:25:19,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929969144] [2024-11-02 11:25:19,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929969144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:19,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:19,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:25:19,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110535181] [2024-11-02 11:25:19,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:19,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:25:19,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:25:19,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:25:19,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:25:19,453 INFO L87 Difference]: Start difference. First operand has 8 states, 5 states have (on average 1.8) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:19,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:19,487 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2024-11-02 11:25:19,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:25:19,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-02 11:25:19,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:19,499 INFO L225 Difference]: With dead ends: 11 [2024-11-02 11:25:19,500 INFO L226 Difference]: Without dead ends: 5 [2024-11-02 11:25:19,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:25:19,510 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 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 [2024-11-02 11:25:19,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:25:19,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2024-11-02 11:25:19,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2024-11-02 11:25:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2024-11-02 11:25:19,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2024-11-02 11:25:19,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:19,553 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2024-11-02 11:25:19,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2024-11-02 11:25:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-02 11:25:19,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:19,555 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-02 11:25:19,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:25:19,556 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-02 11:25:19,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:19,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1947226, now seen corresponding path program 1 times [2024-11-02 11:25:19,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:19,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254702317] [2024-11-02 11:25:19,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:19,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:19,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:25:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:19,685 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:25:19,686 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:25:19,688 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-02 11:25:19,690 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-02 11:25:19,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 11:25:19,695 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 11:25:19,713 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:25:19,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:25:19 BoogieIcfgContainer [2024-11-02 11:25:19,722 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:25:19,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:25:19,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:25:19,723 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:25:19,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:18" (3/4) ... [2024-11-02 11:25:19,730 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:25:19,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:25:19,734 INFO L158 Benchmark]: Toolchain (without parser) took 2434.01ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 96.9MB in the beginning and 116.4MB in the end (delta: -19.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,734 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 130.0MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:19,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.93ms. Allocated memory is still 130.0MB. Free memory was 96.4MB in the beginning and 72.5MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.59ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 70.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,737 INFO L158 Benchmark]: Boogie Preprocessor took 44.28ms. Allocated memory is still 130.0MB. Free memory was 70.2MB in the beginning and 69.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,737 INFO L158 Benchmark]: RCFGBuilder took 491.40ms. Allocated memory is still 130.0MB. Free memory was 68.7MB in the beginning and 57.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,740 INFO L158 Benchmark]: TraceAbstraction took 989.71ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 56.6MB in the beginning and 117.4MB in the end (delta: -60.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:19,741 INFO L158 Benchmark]: Witness Printer took 9.94ms. Allocated memory is still 172.0MB. Free memory was 117.4MB in the beginning and 116.4MB in the end (delta: 974.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:19,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 130.0MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.93ms. Allocated memory is still 130.0MB. Free memory was 96.4MB in the beginning and 72.5MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.59ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 70.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.28ms. Allocated memory is still 130.0MB. Free memory was 70.2MB in the beginning and 69.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.40ms. Allocated memory is still 130.0MB. Free memory was 68.7MB in the beginning and 57.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 989.71ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 56.6MB in the beginning and 117.4MB in the end (delta: -60.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.94ms. Allocated memory is still 172.0MB. Free memory was 117.4MB in the beginning and 116.4MB in the end (delta: 974.3kB). 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: 727]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; [L730] int val; [L731] jmp_buf env_buffer2; [L732] val = _setjmp (env_buffer) [L733] CALL __VERIFIER_assert(!(global == 2)) [L19] COND FALSE !(!(cond)) VAL [global=0] [L733] RET __VERIFIER_assert(!(global == 2)) [L734] COND FALSE !(val != 0) [L738] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1 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=8occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 11:25:19,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2 --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 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:22,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:22,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-02 11:25:22,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:22,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:22,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:22,969 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:22,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:22,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:22,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:22,974 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:22,975 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:22,975 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:22,976 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:22,979 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:22,980 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:22,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:22,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:22,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:22,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:22,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:22,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:22,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:25:22,990 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:25:22,991 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:22,991 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:25:22,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:22,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:22,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:22,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:25:22,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:22,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:22,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:22,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:22,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:22,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:22,998 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:25:22,998 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:25:22,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:22,999 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:22,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:23,001 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_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410e0b4a38c89d302ff08a5c0f3773233f16a724a7ef577863a89b7ea0bac4ee [2024-11-02 11:25:23,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:23,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:23,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:23,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:23,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:23,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i Unable to find full path for "g++" [2024-11-02 11:25:26,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:26,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:26,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i [2024-11-02 11:25:26,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/data/ec593b66c/02ec181b23644f2783ad03588513e2a8/FLAG88e6a40d7 [2024-11-02 11:25:26,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/data/ec593b66c/02ec181b23644f2783ad03588513e2a8 [2024-11-02 11:25:26,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:26,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:26,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:26,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:26,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:26,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:26,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae461c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:26, skipping insertion in model container [2024-11-02 11:25:26,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:26" (1/1) ... [2024-11-02 11:25:26,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:26,953 WARN L251 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_892141e6-9613-4d4e-9716-8f05e6a0cee8/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i[1094,1107] [2024-11-02 11:25:27,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:27,355 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:27,373 WARN L251 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_892141e6-9613-4d4e-9716-8f05e6a0cee8/sv-benchmarks/c/longjmp/68-longjmp_18-simple-else_unknown_2_neg.i[1094,1107] [2024-11-02 11:25:27,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:27,467 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:27,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27 WrapperNode [2024-11-02 11:25:27,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:27,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:27,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:27,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:27,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,538 INFO L138 Inliner]: procedures = 188, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-02 11:25:27,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:27,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:27,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:27,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:27,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:27,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:27,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:27,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:27,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (1/1) ... [2024-11-02 11:25:27,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:27,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:27,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:27,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:25:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:27,847 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:27,851 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:28,150 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-02 11:25:28,150 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:28,169 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:28,169 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:25:28,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:28 BoogieIcfgContainer [2024-11-02 11:25:28,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:28,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:28,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:28,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:28,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:26" (1/3) ... [2024-11-02 11:25:28,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71647995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:28, skipping insertion in model container [2024-11-02 11:25:28,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:27" (2/3) ... [2024-11-02 11:25:28,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71647995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:28, skipping insertion in model container [2024-11-02 11:25:28,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:28" (3/3) ... [2024-11-02 11:25:28,188 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_18-simple-else_unknown_2_neg.i [2024-11-02 11:25:28,210 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:28,211 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 11:25:28,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:28,294 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6aae094b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:28,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-02 11:25:28,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-02 11:25:28,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:28,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-02 11:25:28,310 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-02 11:25:28,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:28,318 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-11-02 11:25:28,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:25:28,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681629966] [2024-11-02 11:25:28,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:28,334 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:28,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:25:28,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:25:28,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 11:25:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:28,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 11:25:28,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:25:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:25:28,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:25:28,660 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:25:28,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681629966] [2024-11-02 11:25:28,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681629966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:28,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:28,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 11:25:28,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673821610] [2024-11-02 11:25:28,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:28,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:25:28,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:25:28,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:25:28,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 11:25:28,745 INFO L87 Difference]: Start difference. First operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:28,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:28,792 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2024-11-02 11:25:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 11:25:28,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-02 11:25:28,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:28,804 INFO L225 Difference]: With dead ends: 19 [2024-11-02 11:25:28,805 INFO L226 Difference]: Without dead ends: 8 [2024-11-02 11:25:28,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:25:28,815 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 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 [2024-11-02 11:25:28,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:25:28,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-02 11:25:28,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-02 11:25:28,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2024-11-02 11:25:28,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 4 [2024-11-02 11:25:28,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:28,897 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2024-11-02 11:25:28,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:25:28,898 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-02 11:25:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-02 11:25:28,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:28,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:28,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 11:25:29,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:29,104 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-02 11:25:29,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:29,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1809678288, now seen corresponding path program 1 times [2024-11-02 11:25:29,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:25:29,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98896132] [2024-11-02 11:25:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:29,110 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:29,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:25:29,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:25:29,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 11:25:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:29,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:25:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:29,286 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-02 11:25:29,286 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:25:29,288 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-02 11:25:29,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-02 11:25:29,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 11:25:29,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:29,497 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 11:25:29,510 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:25:29,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:25:29 BoogieIcfgContainer [2024-11-02 11:25:29,514 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:25:29,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:25:29,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:25:29,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:25:29,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:28" (3/4) ... [2024-11-02 11:25:29,518 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:25:29,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:25:29,520 INFO L158 Benchmark]: Toolchain (without parser) took 3011.90ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 32.5MB in the beginning and 50.9MB in the end (delta: -18.4MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-11-02 11:25:29,520 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:29,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.12ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 32.3MB in the beginning and 47.5MB in the end (delta: -15.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-02 11:25:29,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.27ms. Allocated memory is still 86.0MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:29,522 INFO L158 Benchmark]: Boogie Preprocessor took 37.28ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 43.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:29,523 INFO L158 Benchmark]: RCFGBuilder took 594.96ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 55.8MB in the end (delta: -12.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-02 11:25:29,523 INFO L158 Benchmark]: TraceAbstraction took 1339.23ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 51.3MB in the end (delta: 3.5MB). Peak memory consumption was 986.0kB. Max. memory is 16.1GB. [2024-11-02 11:25:29,524 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 50.9MB in the end (delta: 418.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:29,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.12ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 32.3MB in the beginning and 47.5MB in the end (delta: -15.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.27ms. Allocated memory is still 86.0MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.28ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 43.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.96ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 55.8MB in the end (delta: -12.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1339.23ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 51.3MB in the end (delta: 3.5MB). Peak memory consumption was 986.0kB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 50.9MB in the end (delta: 418.3kB). 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: 727]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; [L732] val = _setjmp (env_buffer) [L733] CALL __VERIFIER_assert(!(global == 2)) [L19] COND FALSE !(!(cond)) VAL [global=0] [L733] RET __VERIFIER_assert(!(global == 2)) [L734] COND FALSE !(val != 0) VAL [global=0] [L738] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 1 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 11:25:29,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892141e6-9613-4d4e-9716-8f05e6a0cee8/bin/utaipan-verify-DbMuA5NWw2/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