/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/predecessorInAtomicBlockBug.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-20 03:04:24,206 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-20 03:04:24,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-20 03:04:24,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-20 03:04:24,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-20 03:04:24,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-20 03:04:24,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-20 03:04:24,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-20 03:04:24,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-20 03:04:24,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-20 03:04:24,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-20 03:04:24,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-20 03:04:24,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-20 03:04:24,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-20 03:04:24,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-20 03:04:24,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-20 03:04:24,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-20 03:04:24,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-20 03:04:24,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-20 03:04:24,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-20 03:04:24,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-20 03:04:24,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-20 03:04:24,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-20 03:04:24,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-20 03:04:24,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-20 03:04:24,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-20 03:04:24,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-20 03:04:24,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-20 03:04:24,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-20 03:04:24,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-20 03:04:24,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-20 03:04:24,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-20 03:04:24,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-20 03:04:24,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-20 03:04:24,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-20 03:04:24,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-20 03:04:24,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-20 03:04:24,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-20 03:04:24,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-20 03:04:24,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-20 03:04:24,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-20 03:04:24,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf
[2022-02-20 03:04:24,310 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-20 03:04:24,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-20 03:04:24,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-20 03:04:24,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-20 03:04:24,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-20 03:04:24,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-20 03:04:24,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-20 03:04:24,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-20 03:04:24,312 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-20 03:04:24,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-20 03:04:24,313 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-20 03:04:24,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-20 03:04:24,313 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-20 03:04:24,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-20 03:04:24,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-20 03:04:24,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-20 03:04:24,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-20 03:04:24,314 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-20 03:04:24,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-20 03:04:24,314 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-20 03:04:24,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-20 03:04:24,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-20 03:04:24,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-20 03:04:24,314 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-20 03:04:24,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-20 03:04:24,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 03:04:24,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-20 03:04:24,316 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-20 03:04:24,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-20 03:04:24,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-20 03:04:24,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-20 03:04:24,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-20 03:04:24,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-20 03:04:24,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-20 03:04:24,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-20 03:04:24,316 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-20 03:04:24,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-20 03:04:24,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-20 03:04:24,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-20 03:04:24,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-20 03:04:24,523 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-20 03:04:24,523 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-20 03:04:24,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/predecessorInAtomicBlockBug.c
[2022-02-20 03:04:24,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc476acdc/4c82ac778f23472e9df044d3305aad5d/FLAG3196d3f7a
[2022-02-20 03:04:24,906 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-20 03:04:24,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/predecessorInAtomicBlockBug.c
[2022-02-20 03:04:24,907 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available.
[2022-02-20 03:04:24,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc476acdc/4c82ac778f23472e9df044d3305aad5d/FLAG3196d3f7a
[2022-02-20 03:04:24,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc476acdc/4c82ac778f23472e9df044d3305aad5d
[2022-02-20 03:04:24,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-20 03:04:24,952 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-20 03:04:24,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-20 03:04:24,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-20 03:04:24,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-20 03:04:24,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 03:04:24" (1/1) ...
[2022-02-20 03:04:24,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493dffa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:24, skipping insertion in model container
[2022-02-20 03:04:24,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 03:04:24" (1/1) ...
[2022-02-20 03:04:24,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-20 03:04:24,975 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-20 03:04:25,113 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-20 03:04:25,120 INFO L203 MainTranslator]: Completed pre-run
[2022-02-20 03:04:25,125 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-20 03:04:25,133 INFO L208 MainTranslator]: Completed translation
[2022-02-20 03:04:25,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25 WrapperNode
[2022-02-20 03:04:25,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-20 03:04:25,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-20 03:04:25,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-20 03:04:25,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-20 03:04:25,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,151 INFO L137 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19
[2022-02-20 03:04:25,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-20 03:04:25,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-20 03:04:25,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-20 03:04:25,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-20 03:04:25,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-20 03:04:25,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-20 03:04:25,162 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-20 03:04:25,162 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-20 03:04:25,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (1/1) ...
[2022-02-20 03:04:25,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-20 03:04:25,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 03:04:25,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-20 03:04:25,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-20 03:04:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-20 03:04:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-20 03:04:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-20 03:04:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure foo
[2022-02-20 03:04:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure foo
[2022-02-20 03:04:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-20 03:04:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-20 03:04:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-20 03:04:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-20 03:04:25,211 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-20 03:04:25,255 INFO L234 CfgBuilder]: Building ICFG
[2022-02-20 03:04:25,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-20 03:04:25,345 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-20 03:04:25,350 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-20 03:04:25,350 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-20 03:04:25,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:04:25 BoogieIcfgContainer
[2022-02-20 03:04:25,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-20 03:04:25,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-20 03:04:25,363 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-20 03:04:25,375 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-20 03:04:25,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 03:04:24" (1/3) ...
[2022-02-20 03:04:25,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da1cb5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:04:25, skipping insertion in model container
[2022-02-20 03:04:25,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 03:04:25" (2/3) ...
[2022-02-20 03:04:25,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da1cb5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:04:25, skipping insertion in model container
[2022-02-20 03:04:25,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:04:25" (3/3) ...
[2022-02-20 03:04:25,378 INFO L111 eAbstractionObserver]: Analyzing ICFG predecessorInAtomicBlockBug.c
[2022-02-20 03:04:25,381 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-20 03:04:25,381 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-20 03:04:25,381 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-20 03:04:25,381 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-20 03:04:25,397 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,398 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,398 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,398 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,398 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,398 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,398 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,399 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,399 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,399 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,400 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,400 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,403 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,403 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,403 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,403 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-20 03:04:25,405 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-20 03:04:25,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-20 03:04:25,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-20 03:04:25,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-20 03:04:25,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-20 03:04:25,477 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-20 03:04:25,484 INFO L339 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-20 03:04:25,484 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-02-20 03:04:25,534 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 34 transitions and produced 35 states.
[2022-02-20 03:04:25,536 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] ===
[2022-02-20 03:04:25,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 03:04:25,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1224766481, now seen corresponding path program 1 times
[2022-02-20 03:04:25,548 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 03:04:25,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654199612]
[2022-02-20 03:04:25,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 03:04:25,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 03:04:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-20 03:04:25,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-20 03:04:25,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-20 03:04:25,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654199612]
[2022-02-20 03:04:25,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654199612] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-20 03:04:25,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-20 03:04:25,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-20 03:04:25,815 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267379316]
[2022-02-20 03:04:25,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-20 03:04:25,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-02-20 03:04:25,819 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-20 03:04:25,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-02-20 03:04:25,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-02-20 03:04:25,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-20 03:04:25,845 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-20 03:04:25,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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)
[2022-02-20 03:04:25,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-20 03:04:25,878 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 46 transitions and produced 41 states.
[2022-02-20 03:04:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-02-20 03:04:25,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-20 03:04:25,879 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] ===
[2022-02-20 03:04:25,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-20 03:04:25,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1933211376, now seen corresponding path program 1 times
[2022-02-20 03:04:25,882 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-20 03:04:25,882 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754801200]
[2022-02-20 03:04:25,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-20 03:04:25,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-20 03:04:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-20 03:04:25,912 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-20 03:04:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-20 03:04:25,934 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-20 03:04:25,934 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-02-20 03:04:25,936 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location fooErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining)
[2022-02-20 03:04:25,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fooErr0ASSERT_VIOLATIONASSERT (1 of 3 remaining)
[2022-02-20 03:04:25,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining)
[2022-02-20 03:04:25,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-20 03:04:25,944 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-02-20 03:04:25,948 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-20 03:04:25,948 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-20 03:04:25,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 03:04:25 BasicIcfg
[2022-02-20 03:04:25,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-20 03:04:25,970 INFO L158 Benchmark]: Toolchain (without parser) took 1017.87ms. Allocated memory was 168.8MB in the beginning and 253.8MB in the end (delta: 84.9MB). Free memory was 108.3MB in the beginning and 182.2MB in the end (delta: -73.9MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB.
[2022-02-20 03:04:25,971 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 168.8MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-20 03:04:25,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.82ms. Allocated memory was 168.8MB in the beginning and 253.8MB in the end (delta: 84.9MB). Free memory was 108.0MB in the beginning and 226.2MB in the end (delta: -118.2MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB.
[2022-02-20 03:04:25,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.32ms. Allocated memory is still 253.8MB. Free memory was 226.2MB in the beginning and 224.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-20 03:04:25,973 INFO L158 Benchmark]: Boogie Preprocessor took 9.54ms. Allocated memory is still 253.8MB. Free memory was 224.7MB in the beginning and 223.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-20 03:04:25,975 INFO L158 Benchmark]: RCFGBuilder took 189.18ms. Allocated memory is still 253.8MB. Free memory was 223.5MB in the beginning and 213.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-02-20 03:04:25,975 INFO L158 Benchmark]: TraceAbstraction took 606.75ms. Allocated memory is still 253.8MB. Free memory was 212.6MB in the beginning and 182.2MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB.
[2022-02-20 03:04:25,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 168.8MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 178.82ms. Allocated memory was 168.8MB in the beginning and 253.8MB in the end (delta: 84.9MB). Free memory was 108.0MB in the beginning and 226.2MB in the end (delta: -118.2MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 17.32ms. Allocated memory is still 253.8MB. Free memory was 226.2MB in the beginning and 224.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 9.54ms. Allocated memory is still 253.8MB. Free memory was 224.7MB in the beginning and 223.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 189.18ms. Allocated memory is still 253.8MB. Free memory was 223.5MB in the beginning and 213.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 606.75ms. Allocated memory is still 253.8MB. Free memory was 212.6MB in the beginning and 182.2MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0
- 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
- CounterExampleResult [Line: 19]: assertion can be violated
assertion can be violated
We found a FailurePath:
[L16] 0 int x = 0;
VAL [x=0]
[L24] 0 pthread_t threadId;
VAL [threadId={2:0}, x=0]
[L25] FCALL, FORK 0 pthread_create(&threadId, NULL, & foo, NULL)
VAL [arg={0:0}, pthread_create(&threadId, NULL, & foo, NULL)=-1, threadId={2:0}, x=0]
[L27] 0 x = x - 1
VAL [arg={0:0}, threadId={2:0}, x=-1]
[L19] 1 CodeAnnotStmt[Assertion]
VAL [arg={0:0}, arg={0:0}, x=-1]
- UnprovableResult [Line: 25]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 37 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-02-20 03:04:26,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2022-02-20 03:04:26,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...