./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh --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 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:29:48,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:29:48,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 16:29:48,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:29:48,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:29:48,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:29:48,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:29:48,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:29:48,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:29:48,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:29:48,999 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:29:49,000 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:29:49,000 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:29:49,001 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:29:49,001 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:29:49,002 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:29:49,002 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:29:49,003 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:29:49,003 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:29:49,004 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:29:49,004 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:29:49,005 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:29:49,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:29:49,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:29:49,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:29:49,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:29:49,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:29:49,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:29:49,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:29:49,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:29:49,010 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:29:49,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:29:49,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:29:49,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:29:49,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:29:49,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:29:49,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:29:49,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:29:49,012 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:29:49,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:29:49,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:29:49,013 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:29:49,013 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:29:49,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:29:49,013 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_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 [2023-12-02 16:29:49,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:29:49,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:29:49,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:29:49,259 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:29:49,260 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:29:49,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2023-12-02 16:29:52,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:29:52,316 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:29:52,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2023-12-02 16:29:52,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/data/c6e56d274/bcc3fd4ca2d24c6fa081d42198596b45/FLAG4db440910 [2023-12-02 16:29:52,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/data/c6e56d274/bcc3fd4ca2d24c6fa081d42198596b45 [2023-12-02 16:29:52,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:29:52,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:29:52,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:29:52,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:29:52,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:29:52,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c9fdde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52, skipping insertion in model container [2023-12-02 16:29:52,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:29:52,576 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_9b33aca0-a537-48ae-945e-abd03df9558b/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2023-12-02 16:29:52,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:29:52,762 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:29:52,775 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_9b33aca0-a537-48ae-945e-abd03df9558b/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2023-12-02 16:29:52,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:29:52,853 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:29:52,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52 WrapperNode [2023-12-02 16:29:52,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:29:52,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:29:52,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:29:52,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:29:52,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,893 INFO L138 Inliner]: procedures = 192, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2023-12-02 16:29:52,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:29:52,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:29:52,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:29:52,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:29:52,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:29:52,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:29:52,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:29:52,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:29:52,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (1/1) ... [2023-12-02 16:29:52,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:29:52,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:29:52,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:29:52,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:29:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 16:29:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 16:29:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:29:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:29:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:29:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:29:53,062 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:29:53,065 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:29:53,159 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:29:53,180 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:29:53,180 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 16:29:53,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:29:53 BoogieIcfgContainer [2023-12-02 16:29:53,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:29:53,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:29:53,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:29:53,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:29:53,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:29:52" (1/3) ... [2023-12-02 16:29:53,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6845b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:29:53, skipping insertion in model container [2023-12-02 16:29:53,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:52" (2/3) ... [2023-12-02 16:29:53,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6845b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:29:53, skipping insertion in model container [2023-12-02 16:29:53,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:29:53" (3/3) ... [2023-12-02 16:29:53,192 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_21-multifun_true.i [2023-12-02 16:29:53,211 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:29:53,211 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 16:29:53,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:29:53,267 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;@3a98ea79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:29:53,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 16:29:53,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 16:29:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 16:29:53,280 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:29:53,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 16:29:53,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:29:53,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:29:53,300 INFO L85 PathProgramCache]: Analyzing trace with hash 70392258, now seen corresponding path program 1 times [2023-12-02 16:29:53,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:29:53,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840146441] [2023-12-02 16:29:53,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:29:53,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:29:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:29:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:29:53,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:29:53,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840146441] [2023-12-02 16:29:53,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840146441] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:29:53,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:29:53,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:29:53,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759990537] [2023-12-02 16:29:53,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:29:53,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:29:53,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:29:53,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:29:53,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:29:53,620 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:29:53,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:29:53,686 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2023-12-02 16:29:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:29:53,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-12-02 16:29:53,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:29:53,695 INFO L225 Difference]: With dead ends: 21 [2023-12-02 16:29:53,695 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 16:29:53,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:29:53,702 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:29:53,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:29:53,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 16:29:53,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-12-02 16:29:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 16:29:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-12-02 16:29:53,736 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 5 [2023-12-02 16:29:53,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:29:53,737 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-12-02 16:29:53,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:29:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-12-02 16:29:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 16:29:53,738 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:29:53,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:29:53,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:29:53,739 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:29:53,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:29:53,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1116520904, now seen corresponding path program 1 times [2023-12-02 16:29:53,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:29:53,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778357144] [2023-12-02 16:29:53,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:29:53,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:29:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:29:53,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:29:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:29:53,794 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:29:53,795 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:29:53,797 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-12-02 16:29:53,798 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-02 16:29:53,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 16:29:53,803 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 16:29:53,806 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:29:53,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:29:53 BoogieIcfgContainer [2023-12-02 16:29:53,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:29:53,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:29:53,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:29:53,825 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:29:53,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:29:53" (3/4) ... [2023-12-02 16:29:53,827 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:29:53,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:29:53,829 INFO L158 Benchmark]: Toolchain (without parser) took 1475.12ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 99.7MB in the beginning and 126.6MB in the end (delta: -26.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-12-02 16:29:53,829 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 148.9MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:29:53,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.06ms. Allocated memory is still 148.9MB. Free memory was 99.7MB in the beginning and 78.2MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 16:29:53,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.62ms. Allocated memory is still 148.9MB. Free memory was 77.6MB in the beginning and 76.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:29:53,831 INFO L158 Benchmark]: Boogie Preprocessor took 19.13ms. Allocated memory is still 148.9MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:29:53,832 INFO L158 Benchmark]: RCFGBuilder took 268.51ms. Allocated memory is still 148.9MB. Free memory was 74.5MB in the beginning and 64.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 16:29:53,832 INFO L158 Benchmark]: TraceAbstraction took 639.18ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 63.5MB in the beginning and 127.6MB in the end (delta: -64.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:29:53,833 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 180.4MB. Free memory was 127.6MB in the beginning and 126.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:29:53,835 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 148.9MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.06ms. Allocated memory is still 148.9MB. Free memory was 99.7MB in the beginning and 78.2MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.62ms. Allocated memory is still 148.9MB. Free memory was 77.6MB in the beginning and 76.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.13ms. Allocated memory is still 148.9MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.51ms. Allocated memory is still 148.9MB. Free memory was 74.5MB in the beginning and 64.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 639.18ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 63.5MB in the beginning and 127.6MB in the end (delta: -64.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 180.4MB. Free memory was 127.6MB in the beginning and 126.6MB in the end (delta: 1.0MB). 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: 738]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 738. Possible FailurePath: [L734] jmp_buf env_buffer; [L735] int global = 0; [L745] int val; VAL [global=0] [L746] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L746] RET __VERIFIER_assert(global == 0) VAL [global=0] [L748] CALL fun() [L741] global = 42 [L742] CALL foo() [L737] int local = 7; VAL [global=42, local=7] [L738] longjmp(env_buffer, 2) VAL [global=42, local=7] - 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 [2023-12-02 16:29:53,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh --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 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:29:55,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:29:55,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 16:29:55,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:29:55,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:29:55,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:29:55,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:29:55,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:29:55,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:29:55,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:29:55,854 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:29:55,854 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:29:55,855 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:29:55,856 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:29:55,856 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:29:55,857 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:29:55,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:29:55,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:29:55,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:29:55,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:29:55,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:29:55,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:29:55,861 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:29:55,861 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:29:55,862 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:29:55,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:29:55,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:29:55,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:29:55,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:29:55,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:29:55,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:29:55,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:29:55,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:29:55,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:29:55,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:29:55,866 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:29:55,866 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:29:55,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:29:55,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:29:55,867 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:29:55,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:29:55,868 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_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7369ea4ee9f774e86c58ecafdaa47e2405a7cd4924445ba2bcccaf2065ef28a3 [2023-12-02 16:29:56,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:29:56,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:29:56,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:29:56,190 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:29:56,191 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:29:56,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2023-12-02 16:29:59,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:29:59,261 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:29:59,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i [2023-12-02 16:29:59,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/data/2eccd68ab/dd89955edc924d7493e0a6c3f65bb2d5/FLAG09d9c1449 [2023-12-02 16:29:59,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/data/2eccd68ab/dd89955edc924d7493e0a6c3f65bb2d5 [2023-12-02 16:29:59,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:29:59,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:29:59,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:29:59,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:29:59,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:29:59,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be1705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59, skipping insertion in model container [2023-12-02 16:29:59,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,367 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:29:59,537 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_9b33aca0-a537-48ae-945e-abd03df9558b/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2023-12-02 16:29:59,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:29:59,765 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:29:59,778 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_9b33aca0-a537-48ae-945e-abd03df9558b/sv-benchmarks/c/longjmp/68-longjmp_21-multifun_true.i[1082,1095] [2023-12-02 16:29:59,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:29:59,862 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:29:59,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59 WrapperNode [2023-12-02 16:29:59,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:29:59,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:29:59,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:29:59,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:29:59,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,909 INFO L138 Inliner]: procedures = 193, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2023-12-02 16:29:59,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:29:59,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:29:59,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:29:59,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:29:59,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:29:59,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:29:59,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:29:59,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:29:59,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (1/1) ... [2023-12-02 16:29:59,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:29:59,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:30:00,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:30:00,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:30:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 16:30:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 16:30:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:30:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:30:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:30:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:30:00,152 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:30:00,154 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:30:00,257 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:30:00,283 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:30:00,283 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 16:30:00,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:30:00 BoogieIcfgContainer [2023-12-02 16:30:00,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:30:00,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:30:00,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:30:00,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:30:00,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:29:59" (1/3) ... [2023-12-02 16:30:00,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25abe96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:30:00, skipping insertion in model container [2023-12-02 16:30:00,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:29:59" (2/3) ... [2023-12-02 16:30:00,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25abe96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:30:00, skipping insertion in model container [2023-12-02 16:30:00,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:30:00" (3/3) ... [2023-12-02 16:30:00,292 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_21-multifun_true.i [2023-12-02 16:30:00,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:30:00,312 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 16:30:00,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:30:00,365 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;@5be0ab38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:30:00,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 16:30:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 16:30:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 16:30:00,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:30:00,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 16:30:00,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:30:00,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:30:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash 70392258, now seen corresponding path program 1 times [2023-12-02 16:30:00,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:30:00,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400077047] [2023-12-02 16:30:00,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:30:00,399 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 [2023-12-02 16:30:00,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:30:00,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:30:00,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:30:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:30:00,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:30:00,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:30:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:30:00,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:30:00,613 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:30:00,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400077047] [2023-12-02 16:30:00,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1400077047] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:30:00,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:30:00,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:30:00,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816272165] [2023-12-02 16:30:00,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:30:00,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:30:00,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:30:00,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:30:00,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:30:00,646 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:30:00,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:30:00,722 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2023-12-02 16:30:00,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:30:00,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-12-02 16:30:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:30:00,729 INFO L225 Difference]: With dead ends: 21 [2023-12-02 16:30:00,730 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 16:30:00,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:30:00,736 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:30:00,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:30:00,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 16:30:00,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-12-02 16:30:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 16:30:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-12-02 16:30:00,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 5 [2023-12-02 16:30:00,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:30:00,763 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-12-02 16:30:00,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:30:00,764 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-12-02 16:30:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 16:30:00,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:30:00,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:30:00,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:30:00,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:30:00,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:30:00,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:30:00,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1116520904, now seen corresponding path program 1 times [2023-12-02 16:30:00,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:30:00,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498646647] [2023-12-02 16:30:00,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:30:00,968 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 [2023-12-02 16:30:00,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:30:00,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:30:00,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:30:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:30:01,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:30:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:30:01,052 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-12-02 16:30:01,052 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:30:01,054 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-12-02 16:30:01,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-02 16:30:01,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:30:01,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 16:30:01,262 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 16:30:01,265 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:30:01,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:30:01 BoogieIcfgContainer [2023-12-02 16:30:01,278 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:30:01,279 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:30:01,279 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:30:01,279 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:30:01,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:30:00" (3/4) ... [2023-12-02 16:30:01,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:30:01,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:30:01,282 INFO L158 Benchmark]: Toolchain (without parser) took 1983.72ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 38.5MB in the end (delta: 39.5MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-12-02 16:30:01,283 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:30:01,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.79ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 54.2MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 16:30:01,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.48ms. Allocated memory is still 102.8MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:30:01,284 INFO L158 Benchmark]: Boogie Preprocessor took 27.82ms. Allocated memory is still 102.8MB. Free memory was 52.1MB in the beginning and 50.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:30:01,284 INFO L158 Benchmark]: RCFGBuilder took 345.33ms. Allocated memory is still 102.8MB. Free memory was 50.6MB in the beginning and 69.8MB in the end (delta: -19.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2023-12-02 16:30:01,285 INFO L158 Benchmark]: TraceAbstraction took 991.96ms. Allocated memory is still 102.8MB. Free memory was 69.6MB in the beginning and 38.5MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 16:30:01,285 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 102.8MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:30:01,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.79ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 54.2MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.48ms. Allocated memory is still 102.8MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.82ms. Allocated memory is still 102.8MB. Free memory was 52.1MB in the beginning and 50.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.33ms. Allocated memory is still 102.8MB. Free memory was 50.6MB in the beginning and 69.8MB in the end (delta: -19.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * TraceAbstraction took 991.96ms. Allocated memory is still 102.8MB. Free memory was 69.6MB in the beginning and 38.5MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 102.8MB. Free memory is still 38.5MB. 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: 738]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 738. Possible FailurePath: [L734] jmp_buf env_buffer; [L735] int global = 0; [L745] int val; VAL [global=0] [L746] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, global=0] [L746] RET __VERIFIER_assert(global == 0) VAL [global=0] [L748] CALL fun() [L741] global = 42 [L742] CALL foo() [L737] int local = 7; VAL [global=42, local=7] [L738] longjmp(env_buffer, 2) VAL [global=42, local=7] - 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 2 procedures, 14 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 2 NumberOfNonLiveVariables, 32 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 [2023-12-02 16:30:01,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33aca0-a537-48ae-945e-abd03df9558b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample