./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_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_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a9cad6538627b8283e5224680b6600e1df1076e5a7b5eacf80a722d17488a557
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:01:52,840 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:01:52,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-11-19 08:01:52,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:01:52,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:01:53,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:01:53,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:01:53,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:01:53,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:01:53,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:01:53,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:01:53,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:01:53,015 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:01:53,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:01:53,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:01:53,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:01:53,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:01:53,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:01:53,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:01:53,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:01:53,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:01:53,021 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:01:53,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:01:53,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:01:53,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:01:53,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:01:53,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:01:53,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:01:53,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:01:53,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:01:53,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:01:53,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:01:53,027 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:01:53,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:01:53,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:01:53,028 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:01:53,029 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9cad6538627b8283e5224680b6600e1df1076e5a7b5eacf80a722d17488a557
[2023-11-19 08:01:53,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:01:53,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:01:53,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:01:53,386 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:01:53,386 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:01:53,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i
[2023-11-19 08:01:56,563 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:01:56,809 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:01:56,809 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i
[2023-11-19 08:01:56,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/data/b7d3ef444/183b82d9a4af4265ad2b9b7a5a2a6f10/FLAGafbcf648b
[2023-11-19 08:01:56,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/data/b7d3ef444/183b82d9a4af4265ad2b9b7a5a2a6f10
[2023-11-19 08:01:56,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:01:56,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:01:56,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:01:56,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:01:56,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:01:56,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:56" (1/1) ...
[2023-11-19 08:01:56,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e260bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:56, skipping insertion in model container
[2023-11-19 08:01:56,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:56" (1/1) ...
[2023-11-19 08:01:56,882 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:01:57,081 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_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i[1088,1101]
[2023-11-19 08:01:57,103 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:01:57,123 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:01:57,137 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_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i[1088,1101]
[2023-11-19 08:01:57,144 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:01:57,161 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:01:57,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57 WrapperNode
[2023-11-19 08:01:57,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:01:57,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:01:57,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:01:57,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:01:57,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,196 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30
[2023-11-19 08:01:57,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:01:57,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:01:57,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:01:57,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:01:57,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:01:57,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:01:57,227 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:01:57,227 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:01:57,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (1/1) ...
[2023-11-19 08:01:57,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:01:57,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:01:57,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:01:57,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:01:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:01:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:01:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:01:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:01:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-19 08:01:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-19 08:01:57,371 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:01:57,372 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:01:57,482 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:01:57,490 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:01:57,490 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 08:01:57,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:57 BoogieIcfgContainer
[2023-11-19 08:01:57,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:01:57,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:01:57,497 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:01:57,500 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:01:57,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:56" (1/3) ...
[2023-11-19 08:01:57,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58431920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:57, skipping insertion in model container
[2023-11-19 08:01:57,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:57" (2/3) ...
[2023-11-19 08:01:57,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58431920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:57, skipping insertion in model container
[2023-11-19 08:01:57,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:57" (3/3) ...
[2023-11-19 08:01:57,507 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_13-counting-local_true.i
[2023-11-19 08:01:57,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:01:57,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 08:01:57,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:01:57,608 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=PETRI_NET, 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;@72c71f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:01:57,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-19 08:01:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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)
[2023-11-19 08:01:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 08:01:57,622 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:01:57,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:57,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:01:57,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:57,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1816863907, now seen corresponding path program 1 times
[2023-11-19 08:01:57,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:57,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910755431]
[2023-11-19 08:01:57,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:57,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:57,965 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 08:01:57,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:57,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910755431]
[2023-11-19 08:01:57,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910755431] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:57,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:57,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:01:57,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906847830]
[2023-11-19 08:01:57,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:57,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:01:57,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:58,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:01:58,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:01:58,015 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 08:01:58,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:01:58,076 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions.
[2023-11-19 08:01:58,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:01:58,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 7
[2023-11-19 08:01:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:01:58,096 INFO L225 Difference]: With dead ends: 25
[2023-11-19 08:01:58,096 INFO L226 Difference]: Without dead ends: 12
[2023-11-19 08:01:58,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:01:58,104 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:01:58,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:01:58,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2023-11-19 08:01:58,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2023-11-19 08:01:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 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)
[2023-11-19 08:01:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions.
[2023-11-19 08:01:58,157 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7
[2023-11-19 08:01:58,157 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:01:58,158 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions.
[2023-11-19 08:01:58,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 08:01:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions.
[2023-11-19 08:01:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 08:01:58,160 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:01:58,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:58,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:01:58,162 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:01:58,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:58,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1805722073, now seen corresponding path program 1 times
[2023-11-19 08:01:58,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:58,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488974729]
[2023-11-19 08:01:58,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:58,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:01:58,420 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 08:01:58,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:01:58,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488974729]
[2023-11-19 08:01:58,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488974729] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:01:58,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:01:58,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 08:01:58,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077490235]
[2023-11-19 08:01:58,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:01:58,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 08:01:58,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:01:58,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 08:01:58,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:01:58,426 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 08:01:58,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:01:58,456 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions.
[2023-11-19 08:01:58,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:01:58,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 7
[2023-11-19 08:01:58,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:01:58,458 INFO L225 Difference]: With dead ends: 12
[2023-11-19 08:01:58,458 INFO L226 Difference]: Without dead ends: 10
[2023-11-19 08:01:58,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2023-11-19 08:01:58,460 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:01:58,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 20 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:01:58,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2023-11-19 08:01:58,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2023-11-19 08:01:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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)
[2023-11-19 08:01:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions.
[2023-11-19 08:01:58,466 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7
[2023-11-19 08:01:58,466 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:01:58,467 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions.
[2023-11-19 08:01:58,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 08:01:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions.
[2023-11-19 08:01:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 08:01:58,468 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:01:58,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:01:58,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:01:58,469 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:01:58,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:01:58,470 INFO L85 PathProgramCache]: Analyzing trace with hash 132279424, now seen corresponding path program 1 times
[2023-11-19 08:01:58,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:01:58,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455988075]
[2023-11-19 08:01:58,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:01:58,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:01:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:01:58,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:01:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:01:58,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:01:58,576 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 08:01:58,577 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining)
[2023-11-19 08:01:58,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2023-11-19 08:01:58,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:01:58,586 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-19 08:01:58,590 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:01:58,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:01:58 BoogieIcfgContainer
[2023-11-19 08:01:58,615 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:01:58,616 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:01:58,616 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:01:58,616 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:01:58,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:57" (3/4) ...
[2023-11-19 08:01:58,620 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 08:01:58,621 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:01:58,622 INFO L158 Benchmark]: Toolchain (without parser) took 1777.30ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 96.0MB in the beginning and 140.1MB in the end (delta: -44.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 08:01:58,622 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 142.6MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:01:58,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.19ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 85.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 08:01:58,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.63ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:01:58,624 INFO L158 Benchmark]: Boogie Preprocessor took 24.09ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 82.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:01:58,625 INFO L158 Benchmark]: RCFGBuilder took 267.18ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 72.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 08:01:58,626 INFO L158 Benchmark]: TraceAbstraction took 1118.86ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 71.4MB in the beginning and 140.1MB in the end (delta: -68.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:01:58,626 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 190.8MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:01:58,629 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.70ms. Allocated memory is still 142.6MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 314.19ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 85.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 38.63ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 24.09ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 82.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 267.18ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 72.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1118.86ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 71.4MB in the beginning and 140.1MB in the end (delta: -68.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 5.38ms. Allocated memory is still 190.8MB. Free memory is still 140.1MB. 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: 48]: Unable to prove that unknown kind of specification holds
Unable to prove that unknown kind of specification holds
Reason: overapproximation of longjmp at line 48.
Possible FailurePath:
[L44] jmp_buf my_jump_buffer;
[L52] volatile int count = 0;
VAL [count=0]
[L54] COND TRUE count < 5
[L55] count++
[L56] CALL foo(count)
[L47] CALL __VERIFIER_assert(count >= 0 && count <= 5)
VAL [\old(cond)=1]
[L19] COND FALSE !(!(cond))
VAL [\old(cond)=1, cond=1]
[L47] RET __VERIFIER_assert(count >= 0 && count <= 5)
VAL [\old(count)=1, count=1]
[L48] longjmp(my_jump_buffer, 1)
VAL [\old(count)=1, count=1]
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 08:01:58,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a9cad6538627b8283e5224680b6600e1df1076e5a7b5eacf80a722d17488a557
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:02:01,374 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:02:01,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2023-11-19 08:02:01,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:02:01,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:02:01,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:02:01,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:02:01,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:02:01,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:02:01,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:02:01,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:02:01,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:02:01,500 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:02:01,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:02:01,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:02:01,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:02:01,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:02:01,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:02:01,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:02:01,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 08:02:01,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 08:02:01,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 08:02:01,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 08:02:01,508 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:02:01,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:02:01,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:02:01,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:02:01,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:02:01,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:02:01,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:02:01,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:02:01,512 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 08:02:01,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 08:02:01,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:02:01,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:02:01,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:02:01,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:02:01,514 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 08:02:01,515 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:02:01,515 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9cad6538627b8283e5224680b6600e1df1076e5a7b5eacf80a722d17488a557
[2023-11-19 08:02:01,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:02:01,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:02:01,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:02:01,921 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:02:01,922 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:02:01,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i
[2023-11-19 08:02:05,271 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:02:05,540 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:02:05,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i
[2023-11-19 08:02:05,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/data/e75e4d271/d3378943bc3c436a8ed0df16474ce40d/FLAG4447f7b51
[2023-11-19 08:02:05,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/data/e75e4d271/d3378943bc3c436a8ed0df16474ce40d
[2023-11-19 08:02:05,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:02:05,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:02:05,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:02:05,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:02:05,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:02:05,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4055dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05, skipping insertion in model container
[2023-11-19 08:02:05,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,629 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:02:05,819 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_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i[1088,1101]
[2023-11-19 08:02:05,839 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:02:05,859 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:02:05,872 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_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/sv-benchmarks/c/longjmp/68-longjmp_13-counting-local_true.i[1088,1101]
[2023-11-19 08:02:05,879 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:02:05,896 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:02:05,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05 WrapperNode
[2023-11-19 08:02:05,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:02:05,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:02:05,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:02:05,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:02:05,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,933 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30
[2023-11-19 08:02:05,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:02:05,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:02:05,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:02:05,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:02:05,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:02:05,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:02:05,969 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:02:05,969 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:02:05,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ...
[2023-11-19 08:02:05,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:02:05,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:02:06,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:02:06,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:02:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:02:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 08:02:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:02:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:02:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-19 08:02:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-19 08:02:06,147 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:02:06,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:02:06,386 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:02:06,393 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:02:06,396 INFO L302 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 08:02:06,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:06 BoogieIcfgContainer
[2023-11-19 08:02:06,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:02:06,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:02:06,404 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:02:06,407 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:02:06,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:05" (1/3) ...
[2023-11-19 08:02:06,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4113f955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:06, skipping insertion in model container
[2023-11-19 08:02:06,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (2/3) ...
[2023-11-19 08:02:06,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4113f955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:06, skipping insertion in model container
[2023-11-19 08:02:06,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:06" (3/3) ...
[2023-11-19 08:02:06,411 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_13-counting-local_true.i
[2023-11-19 08:02:06,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:02:06,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 08:02:06,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:02:06,499 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=PETRI_NET, 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;@79e63218, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:02:06,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-19 08:02:06,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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)
[2023-11-19 08:02:06,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 08:02:06,512 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:06,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:06,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:02:06,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:06,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1816863907, now seen corresponding path program 1 times
[2023-11-19 08:02:06,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:02:06,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909845019]
[2023-11-19 08:02:06,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:06,537 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 08:02:06,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:02:06,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 08:02:06,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 08:02:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:06,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 08:02:06,638 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:02:06,682 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 08:02:06,683 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:02:06,683 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:02:06,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909845019]
[2023-11-19 08:02:06,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909845019] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:06,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:06,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:02:06,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749457908]
[2023-11-19 08:02:06,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:06,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:02:06,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:02:06,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:02:06,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:02:06,722 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 08:02:06,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:06,744 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions.
[2023-11-19 08:02:06,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:02:06,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 7
[2023-11-19 08:02:06,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:06,753 INFO L225 Difference]: With dead ends: 25
[2023-11-19 08:02:06,753 INFO L226 Difference]: Without dead ends: 12
[2023-11-19 08:02:06,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:02:06,759 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:06,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:02:06,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2023-11-19 08:02:06,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2023-11-19 08:02:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 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)
[2023-11-19 08:02:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions.
[2023-11-19 08:02:06,793 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7
[2023-11-19 08:02:06,793 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:06,793 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions.
[2023-11-19 08:02:06,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 08:02:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions.
[2023-11-19 08:02:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 08:02:06,794 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:06,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:06,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 08:02:06,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 08:02:06,997 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:02:06,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:06,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1805722073, now seen corresponding path program 1 times
[2023-11-19 08:02:06,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:02:06,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63286109]
[2023-11-19 08:02:06,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:06,999 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 08:02:07,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:02:07,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 08:02:07,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 08:02:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:02:07,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-11-19 08:02:07,088 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:02:07,167 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 08:02:07,168 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:02:07,168 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:02:07,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63286109]
[2023-11-19 08:02:07,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63286109] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:02:07,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:02:07,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 08:02:07,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834315711]
[2023-11-19 08:02:07,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:02:07,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 08:02:07,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:02:07,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 08:02:07,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:02:07,173 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 08:02:07,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:02:07,213 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions.
[2023-11-19 08:02:07,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 08:02:07,214 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 7
[2023-11-19 08:02:07,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:02:07,215 INFO L225 Difference]: With dead ends: 12
[2023-11-19 08:02:07,215 INFO L226 Difference]: Without dead ends: 10
[2023-11-19 08:02:07,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2023-11-19 08:02:07,218 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:02:07,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 20 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:02:07,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2023-11-19 08:02:07,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2023-11-19 08:02:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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)
[2023-11-19 08:02:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions.
[2023-11-19 08:02:07,224 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7
[2023-11-19 08:02:07,224 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:02:07,225 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions.
[2023-11-19 08:02:07,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 08:02:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions.
[2023-11-19 08:02:07,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 08:02:07,226 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:02:07,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:02:07,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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
[2023-11-19 08:02:07,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 08:02:07,429 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:02:07,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:02:07,429 INFO L85 PathProgramCache]: Analyzing trace with hash 132279424, now seen corresponding path program 1 times
[2023-11-19 08:02:07,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:02:07,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306444009]
[2023-11-19 08:02:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:02:07,431 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 08:02:07,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:02:07,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 08:02:07,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 (4)] Waiting until timeout for monitored process
[2023-11-19 08:02:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:02:07,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:02:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:02:07,555 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-11-19 08:02:07,555 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 08:02:07,557 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining)
[2023-11-19 08:02:07,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2023-11-19 08:02:07,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 (4)] Forceful destruction successful, exit code 0
[2023-11-19 08:02:07,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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 08:02:07,765 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-19 08:02:07,769 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:02:07,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:07 BoogieIcfgContainer
[2023-11-19 08:02:07,785 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:02:07,786 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:02:07,786 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:02:07,786 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 08:02:07,787 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:06" (3/4) ...
[2023-11-19 08:02:07,789 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 08:02:07,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:02:07,791 INFO L158 Benchmark]: Toolchain (without parser) took 2201.79ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 59.2MB in the beginning and 75.0MB in the end (delta: -15.8MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB.
[2023-11-19 08:02:07,791 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 59.8MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:02:07,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.99ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 48.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 08:02:07,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.47ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:02:07,793 INFO L158 Benchmark]: Boogie Preprocessor took 26.72ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 45.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:02:07,794 INFO L158 Benchmark]: RCFGBuilder took 432.55ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 58.9MB in the end (delta: -13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 08:02:07,794 INFO L158 Benchmark]: TraceAbstraction took 1381.71ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 58.3MB in the beginning and 75.3MB in the end (delta: -17.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB.
[2023-11-19 08:02:07,795 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 75.0MB in the end (delta: 337.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:02:07,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 59.8MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 304.99ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 48.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 35.47ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.72ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 45.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 432.55ms. Allocated memory is still 83.9MB. Free memory was 45.1MB in the beginning and 58.9MB in the end (delta: -13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1381.71ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 58.3MB in the beginning and 75.3MB in the end (delta: -17.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB.
* Witness Printer took 4.14ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 75.0MB in the end (delta: 337.9kB). 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: 48]: Unable to prove that unknown kind of specification holds
Unable to prove that unknown kind of specification holds
Reason: overapproximation of longjmp at line 48.
Possible FailurePath:
[L44] jmp_buf my_jump_buffer;
[L52] volatile int count = 0;
VAL [count=0]
[L54] COND TRUE count < 5
[L55] count++
[L56] CALL foo(count)
[L47] CALL __VERIFIER_assert(count >= 0 && count <= 5)
VAL [\old(cond)=1]
[L19] COND FALSE !(!(cond))
VAL [\old(cond)=1, cond=1]
[L47] RET __VERIFIER_assert(count >= 0 && count <= 5)
VAL [\old(count)=1, count=1]
[L48] longjmp(my_jump_buffer, 1)
VAL [\old(count)=1, count=1]
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 3 NumberOfNonLiveVariables, 67 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 08:02:07,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d454e8c9-a52e-4b0b-b661-3822e4b96d9c/bin/uautomizer-verify-uCwYo4JHxu/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