/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/06-begin-no-end.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 22:06:10,598 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-19 22:06:10,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-19 22:06:10,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-19 22:06:10,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-19 22:06:10,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-19 22:06:10,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-19 22:06:10,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-19 22:06:10,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-19 22:06:10,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-19 22:06:10,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-19 22:06:10,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-19 22:06:10,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-19 22:06:10,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-19 22:06:10,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-19 22:06:10,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-19 22:06:10,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 22:06:10,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 22:06:10,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 22:06:10,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 22:06:10,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-19 22:06:10,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 22:06:10,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-19 22:06:10,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-19 22:06:10,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-19 22:06:10,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-19 22:06:10,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-19 22:06:10,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-19 22:06:10,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-19 22:06:10,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-19 22:06:10,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-19 22:06:10,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-19 22:06:10,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-19 22:06:10,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-19 22:06:10,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-19 22:06:10,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-19 22:06:10,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-19 22:06:10,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-19 22:06:10,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-19 22:06:10,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-19 22:06:10,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 22:06:10,674 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-wrwc.epf
[2022-02-19 22:06:10,693 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-19 22:06:10,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 22:06:10,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 22:06:10,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 22:06:10,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 22:06:10,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 22:06:10,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 22:06:10,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-19 22:06:10,695 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-19 22:06:10,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 22:06:10,695 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-19 22:06:10,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-19 22:06:10,695 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-19 22:06:10,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-19 22:06:10,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 22:06:10,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 22:06:10,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 22:06:10,696 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-19 22:06:10,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-19 22:06:10,696 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-19 22:06:10,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-19 22:06:10,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 22:06:10,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-19 22:06:10,696 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-19 22:06:10,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-19 22:06:10,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 22:06:10,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 22:06:10,697 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-19 22:06:10,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 22:06:10,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 22:06:10,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-19 22:06:10,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 22:06:10,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-19 22:06:10,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 22:06:10,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 22:06:10,698 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-19 22:06:10,698 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false
[2022-02-19 22:06:10,698 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-19 22:06:10,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 22:06:10,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 22:06:10,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 22:06:10,920 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-19 22:06:10,921 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-19 22:06:10,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/06-begin-no-end.c
[2022-02-19 22:06:10,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291c817fe/a13c9bb446e6489e88f16d63fa314f44/FLAGf98b180f7
[2022-02-19 22:06:11,299 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-19 22:06:11,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/06-begin-no-end.c
[2022-02-19 22:06:11,300 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available.
[2022-02-19 22:06:11,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291c817fe/a13c9bb446e6489e88f16d63fa314f44/FLAGf98b180f7
[2022-02-19 22:06:11,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291c817fe/a13c9bb446e6489e88f16d63fa314f44
[2022-02-19 22:06:11,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 22:06:11,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-19 22:06:11,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-19 22:06:11,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-19 22:06:11,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-19 22:06:11,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ad61f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11, skipping insertion in model container
[2022-02-19 22:06:11,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-19 22:06:11,345 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-19 22:06:11,479 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 22:06:11,485 INFO L203 MainTranslator]: Completed pre-run
[2022-02-19 22:06:11,491 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 22:06:11,499 INFO L208 MainTranslator]: Completed translation
[2022-02-19 22:06:11,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11 WrapperNode
[2022-02-19 22:06:11,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-19 22:06:11,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 22:06:11,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 22:06:11,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 22:06:11,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,520 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18
[2022-02-19 22:06:11,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 22:06:11,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 22:06:11,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 22:06:11,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 22:06:11,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 22:06:11,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 22:06:11,536 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 22:06:11,536 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-19 22:06:11,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (1/1) ...
[2022-02-19 22:06:11,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 22:06:11,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 22:06:11,560 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)
[2022-02-19 22:06:11,575 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
[2022-02-19 22:06:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-19 22:06:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-19 22:06:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure foo
[2022-02-19 22:06:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure foo
[2022-02-19 22:06:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 22:06:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 22:06:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-19 22:06:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-19 22:06:11,591 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-19 22:06:11,633 INFO L234 CfgBuilder]: Building ICFG
[2022-02-19 22:06:11,634 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 22:06:11,709 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-19 22:06:11,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 22:06:11,721 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 22:06:11,721 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: ULTIMATE.startEXIT is neither atomic block end nor error location.
[2022-02-19 22:06:11,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:06:11 BoogieIcfgContainer
[2022-02-19 22:06:11,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 22:06:11,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 22:06:11,724 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 22:06:11,726 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-19 22:06:11,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 10:06:11" (1/3) ...
[2022-02-19 22:06:11,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550d0311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:06:11, skipping insertion in model container
[2022-02-19 22:06:11,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 10:06:11" (2/3) ...
[2022-02-19 22:06:11,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550d0311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:06:11, skipping insertion in model container
[2022-02-19 22:06:11,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:06:11" (3/3) ...
[2022-02-19 22:06:11,727 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-begin-no-end.c
[2022-02-19 22:06:11,730 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 22:06:11,731 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 22:06:11,731 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-19 22:06:11,731 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 22:06:11,744 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,744 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,745 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,745 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,745 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,745 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,745 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,745 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,746 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,746 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,746 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,746 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,749 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,749 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,749 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,749 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 22:06:11,750 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-19 22:06:11,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 22:06:11,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 22:06:11,778 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)
[2022-02-19 22:06:11,780 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
[2022-02-19 22:06:11,798 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-19 22:06:11,802 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=false
[2022-02-19 22:06:11,802 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-02-19 22:06:11,836 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 23 transitions and produced 24 states.
[2022-02-19 22:06:11,837 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] ===
[2022-02-19 22:06:11,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 22:06:11,841 INFO L85 PathProgramCache]: Analyzing trace with hash -975484139, now seen corresponding path program 1 times
[2022-02-19 22:06:11,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 22:06:11,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997476066]
[2022-02-19 22:06:11,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 22:06:11,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 22:06:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 22:06:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 22:06:11,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 22:06:11,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997476066]
[2022-02-19 22:06:11,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997476066] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 22:06:11,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 22:06:11,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-19 22:06:11,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927950066]
[2022-02-19 22:06:11,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 22:06:11,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-19 22:06:11,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 22:06:11,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-19 22:06:11,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-19 22:06:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 22:06:11,975 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 22:06:11,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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)
[2022-02-19 22:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 22:06:11,995 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 36 transitions and produced 32 states.
[2022-02-19 22:06:11,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 22:06:11,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining)
[2022-02-19 22:06:11,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining)
[2022-02-19 22:06:11,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr0ASSERT_VIOLATIONASSERT (0 of 3 remaining)
[2022-02-19 22:06:11,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-19 22:06:12,003 INFO L732 BasicCegarLoop]: Path program histogram: [1]
[2022-02-19 22:06:12,006 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-19 22:06:12,006 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-19 22:06:12,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 10:06:12 BasicIcfg
[2022-02-19 22:06:12,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-19 22:06:12,008 INFO L158 Benchmark]: Toolchain (without parser) took 678.18ms. Allocated memory was 191.9MB in the beginning and 270.5MB in the end (delta: 78.6MB). Free memory was 134.3MB in the beginning and 202.6MB in the end (delta: -68.3MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB.
[2022-02-19 22:06:12,009 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 22:06:12,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.33ms. Allocated memory was 191.9MB in the beginning and 270.5MB in the end (delta: 78.6MB). Free memory was 134.1MB in the beginning and 241.3MB in the end (delta: -107.2MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB.
[2022-02-19 22:06:12,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.19ms. Allocated memory is still 270.5MB. Free memory was 241.3MB in the beginning and 239.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 22:06:12,010 INFO L158 Benchmark]: Boogie Preprocessor took 13.46ms. Allocated memory is still 270.5MB. Free memory was 239.8MB in the beginning and 238.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 22:06:12,010 INFO L158 Benchmark]: RCFGBuilder took 186.67ms. Allocated memory is still 270.5MB. Free memory was 238.8MB in the beginning and 228.3MB in the end (delta: 10.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-19 22:06:12,011 INFO L158 Benchmark]: TraceAbstraction took 284.40ms. Allocated memory is still 270.5MB. Free memory was 228.3MB in the beginning and 202.6MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
[2022-02-19 22:06:12,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 168.33ms. Allocated memory was 191.9MB in the beginning and 270.5MB in the end (delta: 78.6MB). Free memory was 134.1MB in the beginning and 241.3MB in the end (delta: -107.2MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 20.19ms. Allocated memory is still 270.5MB. Free memory was 241.3MB in the beginning and 239.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 13.46ms. Allocated memory is still 270.5MB. Free memory was 239.8MB in the beginning and 238.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 186.67ms. Allocated memory is still 270.5MB. Free memory was 238.8MB in the beginning and 228.3MB in the end (delta: 10.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 284.40ms. Allocated memory is still 270.5MB. Free memory was 228.3MB in the beginning and 202.6MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. 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
- PositiveResult [Line: 19]: assertion always holds
For all program executions holds that assertion always holds at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 33 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-19 22:06:12,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-02-19 22:06:12,253 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...