./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
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_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/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_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/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 32bit --witnessprinter.graph.data.programhash d85bf43cff1a30e10d1e3bbf4675032df62c31f758d5324913387f5dfb870a68
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:59:35,117 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:59:35,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:59:35,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:59:35,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:59:35,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:59:35,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:59:35,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:59:35,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:59:35,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:59:35,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:59:35,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:59:35,285 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:59:35,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:59:35,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:59:35,287 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:59:35,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:59:35,288 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:59:35,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:59:35,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:59:35,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:59:35,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:59:35,290 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:59:35,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:59:35,291 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:59:35,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:59:35,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:59:35,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:59:35,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:59:35,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:59:35,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:59:35,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:59:35,295 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:59:35,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:59:35,296 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:59:35,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:59:35,296 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:59:35,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:59:35,297 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:59:35,297 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_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d85bf43cff1a30e10d1e3bbf4675032df62c31f758d5324913387f5dfb870a68
[2023-11-19 07:59:35,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:59:35,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:59:35,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:59:35,622 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:59:35,623 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:59:35,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c
[2023-11-19 07:59:38,892 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:59:39,139 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:59:39,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c
[2023-11-19 07:59:39,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/data/d3bf00d77/4622e6fecc7f49238d9c186459199bd6/FLAGb9bf15931
[2023-11-19 07:59:39,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/data/d3bf00d77/4622e6fecc7f49238d9c186459199bd6
[2023-11-19 07:59:39,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:59:39,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:59:39,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:59:39,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:59:39,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:59:39,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9945ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39, skipping insertion in model container
[2023-11-19 07:59:39,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,218 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:59:39,378 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_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123]
[2023-11-19 07:59:39,384 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:59:39,396 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:59:39,413 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_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123]
[2023-11-19 07:59:39,415 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:59:39,432 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:59:39,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39 WrapperNode
[2023-11-19 07:59:39,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:59:39,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:59:39,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:59:39,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:59:39,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,473 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53
[2023-11-19 07:59:39,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:59:39,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:59:39,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:59:39,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:59:39,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:59:39,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:59:39,497 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:59:39,497 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:59:39,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (1/1) ...
[2023-11-19 07:59:39,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:59:39,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:39,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:59:39,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:59:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:59:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:59:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:59:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:59:39,682 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:59:39,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:59:39,917 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:59:39,925 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:59:39,925 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:59:39,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:39 BoogieIcfgContainer
[2023-11-19 07:59:39,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:59:39,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:59:39,932 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:59:39,936 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:59:39,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:39" (1/3) ...
[2023-11-19 07:59:39,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f213a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:39, skipping insertion in model container
[2023-11-19 07:59:39,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:39" (2/3) ...
[2023-11-19 07:59:39,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f213a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:39, skipping insertion in model container
[2023-11-19 07:59:39,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:39" (3/3) ...
[2023-11-19 07:59:39,982 INFO L112 eAbstractionObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c
[2023-11-19 07:59:40,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:59:40,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:59:40,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:59:40,086 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;@263d65d2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:59:40,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:59:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.6) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 07:59:40,100 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:59:40,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:40,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:59:40,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:40,112 INFO L85 PathProgramCache]: Analyzing trace with hash 179596396, now seen corresponding path program 1 times
[2023-11-19 07:59:40,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:40,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655199458]
[2023-11-19 07:59:40,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:40,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:40,656 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 07:59:40,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:59:40,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655199458]
[2023-11-19 07:59:40,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655199458] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:59:40,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:59:40,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:59:40,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643501362]
[2023-11-19 07:59:40,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:59:40,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:59:40,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:59:40,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:59:40,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:59:40,715 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.6) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:40,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:59:40,867 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions.
[2023-11-19 07:59:40,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:59:40,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2023-11-19 07:59:40,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:59:40,878 INFO L225 Difference]: With dead ends: 23
[2023-11-19 07:59:40,878 INFO L226 Difference]: Without dead ends: 10
[2023-11-19 07:59:40,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:59:40,885 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:59:40,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:59:40,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2023-11-19 07:59:40,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2023-11-19 07:59:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:40,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions.
[2023-11-19 07:59:40,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8
[2023-11-19 07:59:40,915 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:59:40,915 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions.
[2023-11-19 07:59:40,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions.
[2023-11-19 07:59:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 07:59:40,917 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:59:40,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:59:40,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:59:40,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:59:40,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:59:40,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1270581676, now seen corresponding path program 1 times
[2023-11-19 07:59:40,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:59:40,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431950605]
[2023-11-19 07:59:40,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:40,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:59:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:59:41,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:59:41,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431950605]
[2023-11-19 07:59:41,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431950605] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:59:41,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686188141]
[2023-11-19 07:59:41,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:59:41,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:59:41,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:59:41,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:59:41,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:59:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:59:41,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-11-19 07:59:41,264 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:59:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:59:41,436 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:59:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:59:41,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686188141] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:59:41,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:59:41,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13
[2023-11-19 07:59:41,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275057397]
[2023-11-19 07:59:41,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:59:41,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-19 07:59:41,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:59:41,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-19 07:59:41,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2023-11-19 07:59:41,564 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:41,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:59:41,668 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions.
[2023-11-19 07:59:41,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:59:41,668 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2023-11-19 07:59:41,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:59:41,669 INFO L225 Difference]: With dead ends: 13
[2023-11-19 07:59:41,669 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 07:59:41,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272
[2023-11-19 07:59:41,674 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:59:41,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:59:41,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:59:41,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:59:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:59:41,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9
[2023-11-19 07:59:41,681 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:59:41,682 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:59:41,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:59:41,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:59:41,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:59:41,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:59:41,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:59:41,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:59:41,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:59:41,906 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:59:41,907 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 68) no Hoare annotation was computed.
[2023-11-19 07:59:41,908 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 69) no Hoare annotation was computed.
[2023-11-19 07:59:41,908 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 66) no Hoare annotation was computed.
[2023-11-19 07:59:41,908 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:59:41,908 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 13 70) no Hoare annotation was computed.
[2023-11-19 07:59:41,909 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:59:41,909 INFO L899 garLoopResultBuilder]: For program point $Ultimate##6(lines 34 67) no Hoare annotation was computed.
[2023-11-19 07:59:41,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:59:41,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 53) no Hoare annotation was computed.
[2023-11-19 07:59:41,909 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed.
[2023-11-19 07:59:41,910 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 60) no Hoare annotation was computed.
[2023-11-19 07:59:41,912 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-19 07:59:41,915 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:59:41,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:59:41 BoogieIcfgContainer
[2023-11-19 07:59:41,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:59:41,925 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:59:41,925 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:59:41,925 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:59:41,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:39" (3/4) ...
[2023-11-19 07:59:41,928 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:59:41,939 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2023-11-19 07:59:41,942 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:59:41,943 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:59:41,943 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:59:42,051 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:59:42,052 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:59:42,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:59:42,054 INFO L158 Benchmark]: Toolchain (without parser) took 2875.25ms. Allocated memory is still 136.3MB. Free memory was 92.4MB in the beginning and 83.3MB in the end (delta: 9.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
[2023-11-19 07:59:42,054 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 102.8MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:59:42,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.43ms. Allocated memory is still 136.3MB. Free memory was 92.4MB in the beginning and 81.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:59:42,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.92ms. Allocated memory is still 136.3MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:59:42,061 INFO L158 Benchmark]: Boogie Preprocessor took 22.04ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 889.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:59:42,061 INFO L158 Benchmark]: RCFGBuilder took 431.98ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 107.4MB in the end (delta: -28.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB.
[2023-11-19 07:59:42,061 INFO L158 Benchmark]: TraceAbstraction took 1993.02ms. Allocated memory is still 136.3MB. Free memory was 106.7MB in the beginning and 87.5MB in the end (delta: 19.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB.
[2023-11-19 07:59:42,062 INFO L158 Benchmark]: Witness Printer took 128.50ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 83.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:59:42,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.54ms. Allocated memory is still 102.8MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 255.43ms. Allocated memory is still 136.3MB. Free memory was 92.4MB in the beginning and 81.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.92ms. Allocated memory is still 136.3MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 22.04ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 889.7kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 431.98ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 107.4MB in the end (delta: -28.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 1993.02ms. Allocated memory is still 136.3MB. Free memory was 106.7MB in the beginning and 87.5MB in the end (delta: 19.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB.
* Witness Printer took 128.50ms. Allocated memory is still 136.3MB. Free memory was 87.5MB in the beginning and 83.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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
- PositiveResult [Line: 53]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 15, 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: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 5 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:59:42,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e31fe0a-ca57-4f5f-8b17-e51886364ee1/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:
TRUE