./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
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_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ --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 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 05:19:36,782 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 05:19:36,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf
[2023-11-19 05:19:36,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 05:19:36,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 05:19:36,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 05:19:36,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 05:19:36,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 05:19:36,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 05:19:36,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 05:19:36,954 INFO L153 SettingsManager]: * User list type=DISABLED
[2023-11-19 05:19:36,956 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-19 05:19:36,956 INFO L153 SettingsManager]: * Explicit value domain=true
[2023-11-19 05:19:36,958 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-11-19 05:19:36,958 INFO L153 SettingsManager]: * Octagon Domain=false
[2023-11-19 05:19:36,959 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2023-11-19 05:19:36,959 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2023-11-19 05:19:36,960 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2023-11-19 05:19:36,960 INFO L153 SettingsManager]: * Interval Domain=false
[2023-11-19 05:19:36,961 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-11-19 05:19:36,961 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2023-11-19 05:19:36,962 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2023-11-19 05:19:36,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 05:19:36,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 05:19:36,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 05:19:36,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 05:19:36,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 05:19:36,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 05:19:36,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 05:19:36,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 05:19:36,967 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 05:19:36,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 05:19:36,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 05:19:36,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 05:19:36,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 05:19:36,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 05:19:36,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 05:19:36,969 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2023-11-19 05:19:36,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 05:19:36,970 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 05:19:36,970 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2023-11-19 05:19:36,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 05:19:36,971 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_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff
[2023-11-19 05:19:37,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 05:19:37,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 05:19:37,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 05:19:37,327 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 05:19:37,328 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 05:19:37,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i
[2023-11-19 05:19:40,427 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 05:19:40,734 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 05:19:40,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i
[2023-11-19 05:19:40,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/data/07173af80/b67b482a4e4643c2b18b10064f44446e/FLAG24acb6d12
[2023-11-19 05:19:40,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/data/07173af80/b67b482a4e4643c2b18b10064f44446e
[2023-11-19 05:19:40,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 05:19:40,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 05:19:40,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 05:19:40,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 05:19:40,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 05:19:40,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:40" (1/1) ...
[2023-11-19 05:19:40,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c37bd68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:40, skipping insertion in model container
[2023-11-19 05:19:40,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:40" (1/1) ...
[2023-11-19 05:19:40,866 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 05:19:41,025 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_8dfddfea-ee0d-43f8-a971-e94a79272414/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i[1086,1099]
[2023-11-19 05:19:41,143 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 05:19:41,231 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 05:19:41,253 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 05:19:41,268 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_8dfddfea-ee0d-43f8-a971-e94a79272414/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i[1086,1099]
[2023-11-19 05:19:41,299 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 05:19:41,332 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 05:19:41,368 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 05:19:41,374 INFO L206 MainTranslator]: Completed translation
[2023-11-19 05:19:41,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41 WrapperNode
[2023-11-19 05:19:41,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 05:19:41,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 05:19:41,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 05:19:41,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 05:19:41,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,422 INFO L138 Inliner]: procedures = 194, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44
[2023-11-19 05:19:41,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 05:19:41,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 05:19:41,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 05:19:41,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 05:19:41,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 05:19:41,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 05:19:41,452 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 05:19:41,452 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 05:19:41,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (1/1) ...
[2023-11-19 05:19:41,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 05:19:41,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/z3
[2023-11-19 05:19:41,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 05:19:41,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 05:19:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 05:19:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 05:19:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 05:19:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-19 05:19:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-19 05:19:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 05:19:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 05:19:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 05:19:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 05:19:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 05:19:41,611 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 05:19:41,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 05:19:41,761 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 05:19:41,791 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 05:19:41,791 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 05:19:41,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:41 BoogieIcfgContainer
[2023-11-19 05:19:41,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 05:19:41,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 05:19:41,801 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 05:19:41,804 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 05:19:41,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:19:40" (1/3) ...
[2023-11-19 05:19:41,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1ad754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:41, skipping insertion in model container
[2023-11-19 05:19:41,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:41" (2/3) ...
[2023-11-19 05:19:41,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1ad754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:41, skipping insertion in model container
[2023-11-19 05:19:41,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:41" (3/3) ...
[2023-11-19 05:19:41,807 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_22-multifun-arg_true.i
[2023-11-19 05:19:41,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 05:19:41,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 05:19:41,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 05:19:41,908 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;@4967e331, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-19 05:19:41,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-19 05:19:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 05:19:41,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 05:19:41,925 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 05:19:41,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 05:19:41,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 05:19:41,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 05:19:41,934 INFO L85 PathProgramCache]: Analyzing trace with hash 78857867, now seen corresponding path program 1 times
[2023-11-19 05:19:41,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 05:19:41,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759541066]
[2023-11-19 05:19:41,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 05:19:41,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 05:19:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 05:19:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 05:19:42,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 05:19:42,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759541066]
[2023-11-19 05:19:42,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759541066] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 05:19:42,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 05:19:42,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 05:19:42,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437906403]
[2023-11-19 05:19:42,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 05:19:42,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 05:19:42,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-19 05:19:42,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 05:19:42,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 05:19:42,289 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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)
[2023-11-19 05:19:42,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 05:19:42,449 INFO L93 Difference]: Finished difference Result 40 states and 53 transitions.
[2023-11-19 05:19:42,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 05:19:42,452 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
[2023-11-19 05:19:42,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 05:19:42,459 INFO L225 Difference]: With dead ends: 40
[2023-11-19 05:19:42,460 INFO L226 Difference]: Without dead ends: 21
[2023-11-19 05:19:42,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 05:19:42,467 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 23 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 05:19:42,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 39 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 05:19:42,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2023-11-19 05:19:42,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2023-11-19 05:19:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 05:19:42,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions.
[2023-11-19 05:19:42,508 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 5
[2023-11-19 05:19:42,508 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 05:19:42,509 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions.
[2023-11-19 05:19:42,509 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)
[2023-11-19 05:19:42,509 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions.
[2023-11-19 05:19:42,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 05:19:42,510 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 05:19:42,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 05:19:42,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 05:19:42,511 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 05:19:42,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 05:19:42,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1579767176, now seen corresponding path program 1 times
[2023-11-19 05:19:42,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 05:19:42,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176877742]
[2023-11-19 05:19:42,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 05:19:42,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 05:19:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 05:19:42,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 05:19:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 05:19:42,577 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2023-11-19 05:19:42,578 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 05:19:42,580 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining)
[2023-11-19 05:19:42,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2023-11-19 05:19:42,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 05:19:42,586 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-19 05:19:42,590 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 05:19:42,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:19:42 BoogieIcfgContainer
[2023-11-19 05:19:42,610 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 05:19:42,611 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 05:19:42,611 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 05:19:42,611 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 05:19:42,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:41" (3/4) ...
[2023-11-19 05:19:42,614 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 05:19:42,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 05:19:42,616 INFO L158 Benchmark]: Toolchain (without parser) took 1823.24ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 112.3MB in the beginning and 140.7MB in the end (delta: -28.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB.
[2023-11-19 05:19:42,617 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory was 98.9MB in the beginning and 98.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 05:19:42,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.30ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 89.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-19 05:19:42,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.52ms. Allocated memory is still 155.2MB. Free memory was 89.7MB in the beginning and 87.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 05:19:42,619 INFO L158 Benchmark]: Boogie Preprocessor took 28.20ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 86.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 05:19:42,619 INFO L158 Benchmark]: RCFGBuilder took 344.30ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 75.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 05:19:42,620 INFO L158 Benchmark]: TraceAbstraction took 809.59ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 74.1MB in the beginning and 141.8MB in the end (delta: -67.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 05:19:42,620 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 205.5MB. Free memory was 141.8MB in the beginning and 140.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 05:19:42,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory was 98.9MB in the beginning and 98.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 579.30ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 89.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.52ms. Allocated memory is still 155.2MB. Free memory was 89.7MB in the beginning and 87.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 28.20ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 86.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 344.30ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 75.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 809.59ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 74.1MB in the beginning and 141.8MB in the end (delta: -67.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.55ms. Allocated memory is still 205.5MB. Free memory was 141.8MB in the beginning and 140.7MB 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;
[L746] volatile int val = 0;
VAL [global=0, val={8:0}]
[L747] CALL __VERIFIER_assert(global == 0)
VAL [\old(cond)=1, global=0]
[L19] COND FALSE !(!(cond))
VAL [\old(cond)=1, cond=1, global=0]
[L747] RET __VERIFIER_assert(global == 0)
VAL [global=0, val={8:0}]
[L748] int x = _setjmp (env_buffer);
VAL [global=0, val={8:0}, x=0]
[L749] COND TRUE 0 == x
[L750] CALL fun(&val)
[L741] global = 42
[L742] *ptr = 1
[L743] 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 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
[2023-11-19 05:19:42,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ --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 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 05:19:45,204 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 05:19:45,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Bitvector.epf
[2023-11-19 05:19:45,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 05:19:45,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 05:19:45,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 05:19:45,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 05:19:45,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 05:19:45,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 05:19:45,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 05:19:45,396 INFO L153 SettingsManager]: * User list type=DISABLED
[2023-11-19 05:19:45,396 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-19 05:19:45,397 INFO L153 SettingsManager]: * Explicit value domain=true
[2023-11-19 05:19:45,399 INFO L153 SettingsManager]: * Octagon Domain=false
[2023-11-19 05:19:45,399 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2023-11-19 05:19:45,399 INFO L153 SettingsManager]: * Interval Domain=false
[2023-11-19 05:19:45,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 05:19:45,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 05:19:45,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 05:19:45,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 05:19:45,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 05:19:45,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 05:19:45,404 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 05:19:45,404 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 05:19:45,404 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 05:19:45,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 05:19:45,405 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 05:19:45,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 05:19:45,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 05:19:45,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 05:19:45,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 05:19:45,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 05:19:45,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 05:19:45,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 05:19:45,409 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS
[2023-11-19 05:19:45,409 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 05:19:45,409 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 05:19:45,410 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2023-11-19 05:19:45,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 05:19:45,411 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_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff
[2023-11-19 05:19:45,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 05:19:45,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 05:19:45,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 05:19:45,785 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 05:19:45,786 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 05:19:45,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i
[2023-11-19 05:19:48,975 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 05:19:49,325 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 05:19:49,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i
[2023-11-19 05:19:49,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/data/cad007969/9b529926191d48d08e135c38fbdbba8e/FLAGaef34becc
[2023-11-19 05:19:49,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/data/cad007969/9b529926191d48d08e135c38fbdbba8e
[2023-11-19 05:19:49,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 05:19:49,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 05:19:49,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 05:19:49,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 05:19:49,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 05:19:49,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:49" (1/1) ...
[2023-11-19 05:19:49,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b1eec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:49, skipping insertion in model container
[2023-11-19 05:19:49,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:49" (1/1) ...
[2023-11-19 05:19:49,468 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 05:19:49,696 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_8dfddfea-ee0d-43f8-a971-e94a79272414/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i[1086,1099]
[2023-11-19 05:19:49,807 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 05:19:49,893 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 05:19:49,913 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 05:19:49,926 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_8dfddfea-ee0d-43f8-a971-e94a79272414/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i[1086,1099]
[2023-11-19 05:19:49,942 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 05:19:49,959 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 05:19:50,023 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 05:19:50,031 INFO L206 MainTranslator]: Completed translation
[2023-11-19 05:19:50,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50 WrapperNode
[2023-11-19 05:19:50,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 05:19:50,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 05:19:50,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 05:19:50,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 05:19:50,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,096 INFO L138 Inliner]: procedures = 198, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45
[2023-11-19 05:19:50,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 05:19:50,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 05:19:50,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 05:19:50,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 05:19:50,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 05:19:50,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 05:19:50,130 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 05:19:50,130 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 05:19:50,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (1/1) ...
[2023-11-19 05:19:50,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 05:19:50,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/z3
[2023-11-19 05:19:50,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 05:19:50,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 05:19:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-19 05:19:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 05:19:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 05:19:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-19 05:19:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 05:19:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4
[2023-11-19 05:19:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-19 05:19:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-19 05:19:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 05:19:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 05:19:50,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 05:19:50,327 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 05:19:50,329 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 05:19:50,527 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 05:19:50,534 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 05:19:50,534 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 05:19:50,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:50 BoogieIcfgContainer
[2023-11-19 05:19:50,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 05:19:50,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 05:19:50,541 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 05:19:50,544 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 05:19:50,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:19:49" (1/3) ...
[2023-11-19 05:19:50,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718fc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:50, skipping insertion in model container
[2023-11-19 05:19:50,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:50" (2/3) ...
[2023-11-19 05:19:50,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718fc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:19:50, skipping insertion in model container
[2023-11-19 05:19:50,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:50" (3/3) ...
[2023-11-19 05:19:50,547 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_22-multifun-arg_true.i
[2023-11-19 05:19:50,566 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 05:19:50,566 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 05:19:50,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 05:19:50,619 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;@2f4b1d91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-19 05:19:50,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-19 05:19:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2023-11-19 05:19:50,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 05:19:50,631 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 05:19:50,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 05:19:50,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 05:19:50,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 05:19:50,638 INFO L85 PathProgramCache]: Analyzing trace with hash 890632826, now seen corresponding path program 1 times
[2023-11-19 05:19:50,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-11-19 05:19:50,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479709120]
[2023-11-19 05:19:50,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 05:19:50,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 05:19:50,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat
[2023-11-19 05:19:50,654 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 05:19:50,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-11-19 05:19:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 05:19:50,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 05:19:50,841 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 05:19:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 05:19:50,939 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 05:19:50,940 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2023-11-19 05:19:50,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479709120]
[2023-11-19 05:19:50,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479709120] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 05:19:50,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 05:19:50,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 05:19:50,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743939422]
[2023-11-19 05:19:50,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 05:19:50,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 05:19:50,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2023-11-19 05:19:50,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 05:19:50,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 05:19:50,985 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2023-11-19 05:19:51,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 05:19:51,111 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions.
[2023-11-19 05:19:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 05:19:51,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 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 6
[2023-11-19 05:19:51,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 05:19:51,121 INFO L225 Difference]: With dead ends: 47
[2023-11-19 05:19:51,121 INFO L226 Difference]: Without dead ends: 22
[2023-11-19 05:19:51,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-19 05:19:51,129 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 27 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 05:19:51,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 55 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 05:19:51,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2023-11-19 05:19:51,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2023-11-19 05:19:51,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 16 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 05:19:51,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions.
[2023-11-19 05:19:51,204 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 6
[2023-11-19 05:19:51,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 05:19:51,205 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions.
[2023-11-19 05:19:51,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2023-11-19 05:19:51,206 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions.
[2023-11-19 05:19:51,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 05:19:51,207 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 05:19:51,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 05:19:51,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-11-19 05:19:51,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 05:19:51,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 05:19:51,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 05:19:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1965193719, now seen corresponding path program 1 times
[2023-11-19 05:19:51,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-11-19 05:19:51,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834776123]
[2023-11-19 05:19:51,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 05:19:51,412 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 05:19:51,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat
[2023-11-19 05:19:51,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 05:19:51,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-11-19 05:19:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 05:19:51,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 05:19:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 05:19:51,580 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace
[2023-11-19 05:19:51,581 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 05:19:51,582 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining)
[2023-11-19 05:19:51,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2023-11-19 05:19:51,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-11-19 05:19:51,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 05:19:51,789 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-19 05:19:51,793 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 05:19:51,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:19:51 BoogieIcfgContainer
[2023-11-19 05:19:51,821 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 05:19:51,822 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 05:19:51,822 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 05:19:51,823 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 05:19:51,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:19:50" (3/4) ...
[2023-11-19 05:19:51,825 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 05:19:51,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 05:19:51,827 INFO L158 Benchmark]: Toolchain (without parser) took 2439.35ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 55.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB.
[2023-11-19 05:19:51,828 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 05:19:51,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.33ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 62.4MB in the end (delta: 2.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB.
[2023-11-19 05:19:51,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.04ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 05:19:51,830 INFO L158 Benchmark]: Boogie Preprocessor took 31.42ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 58.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 05:19:51,830 INFO L158 Benchmark]: RCFGBuilder took 407.73ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 47.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 05:19:51,831 INFO L158 Benchmark]: TraceAbstraction took 1281.14ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 56.4MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 05:19:51,831 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 90.2MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 05:19:51,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.04ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 640.33ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 62.4MB in the end (delta: 2.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 64.04ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.42ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 58.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 407.73ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 47.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 1281.14ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 56.4MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.20ms. Allocated memory is still 90.2MB. Free memory is still 55.9MB. 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;
VAL [global=0]
[L746] volatile int val = 0;
VAL [global=0, val={3:0}]
[L747] CALL __VERIFIER_assert(global == 0)
VAL [\old(cond)=1, global=0]
[L19] COND FALSE !(!(cond))
VAL [\old(cond)=1, cond=1, global=0]
[L747] RET __VERIFIER_assert(global == 0)
VAL [global=0, val={3:0}]
[L748] int x = _setjmp (env_buffer);
VAL [global=0, val={3:0}, x=0]
[L749] COND TRUE 0 == x
[L750] CALL fun(&val)
[L741] global = 42
[L742] *ptr = 1
[L743] 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 2 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-19 05:19:51,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfddfea-ee0d-43f8-a971-e94a79272414/bin/utaipan-verify-t7M7D8N6sZ/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