/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/14b-subsequent-blocks.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 18:11:00,587 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-09 18:11:00,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-09 18:11:00,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-09 18:11:00,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-09 18:11:00,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-09 18:11:00,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-09 18:11:00,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-09 18:11:00,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-09 18:11:00,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-09 18:11:00,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-09 18:11:00,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-09 18:11:00,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-09 18:11:00,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-09 18:11:00,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-09 18:11:00,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-09 18:11:00,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-09 18:11:00,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-09 18:11:00,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-09 18:11:00,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-09 18:11:00,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-09 18:11:00,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-09 18:11:00,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-09 18:11:00,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-09 18:11:00,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-09 18:11:00,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-09 18:11:00,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-09 18:11:00,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-09 18:11:00,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-09 18:11:00,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-09 18:11:00,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-09 18:11:00,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-09 18:11:00,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-09 18:11:00,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-09 18:11:00,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-09 18:11:00,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-09 18:11:00,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-09 18:11:00,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-09 18:11:00,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-09 18:11:00,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-09 18:11:00,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-09 18:11:00,697 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.epf
[2022-02-09 18:11:00,720 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-09 18:11:00,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 18:11:00,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 18:11:00,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 18:11:00,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 18:11:00,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 18:11:00,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 18:11:00,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-09 18:11:00,722 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-09 18:11:00,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 18:11:00,723 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-09 18:11:00,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-09 18:11:00,723 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-09 18:11:00,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-09 18:11:00,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-09 18:11:00,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-09 18:11:00,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 18:11:00,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 18:11:00,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 18:11:00,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 18:11:00,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-09 18:11:00,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 18:11:00,725 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-09 18:11:00,725 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-09 18:11:00,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 18:11:00,725 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-09 18:11:00,725 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-09 18:11:00,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 18:11:00,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 18:11:00,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 18:11:00,914 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-09 18:11:00,914 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-09 18:11:00,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/14b-subsequent-blocks.c
[2022-02-09 18:11:00,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ecc28e7b/ad8bf2918d1d46f985ce911217f6aef1/FLAG7813e34ce
[2022-02-09 18:11:01,311 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-09 18:11:01,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/14b-subsequent-blocks.c
[2022-02-09 18:11:01,312 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available.
[2022-02-09 18:11:01,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ecc28e7b/ad8bf2918d1d46f985ce911217f6aef1/FLAG7813e34ce
[2022-02-09 18:11:01,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ecc28e7b/ad8bf2918d1d46f985ce911217f6aef1
[2022-02-09 18:11:01,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 18:11:01,360 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-09 18:11:01,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-09 18:11:01,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-09 18:11:01,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-09 18:11:01,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218f5ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01, skipping insertion in model container
[2022-02-09 18:11:01,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-09 18:11:01,377 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-09 18:11:01,527 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-09 18:11:01,532 INFO L203 MainTranslator]: Completed pre-run
[2022-02-09 18:11:01,539 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-09 18:11:01,549 INFO L208 MainTranslator]: Completed translation
[2022-02-09 18:11:01,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01 WrapperNode
[2022-02-09 18:11:01,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-09 18:11:01,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 18:11:01,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 18:11:01,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 18:11:01,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,578 INFO L137 Inliner]: procedures = 10, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24
[2022-02-09 18:11:01,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 18:11:01,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 18:11:01,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 18:11:01,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 18:11:01,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 18:11:01,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 18:11:01,598 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 18:11:01,598 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-09 18:11:01,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (1/1) ...
[2022-02-09 18:11:01,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 18:11:01,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:11:01,633 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)
[2022-02-09 18:11:01,640 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
[2022-02-09 18:11:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-09 18:11:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-09 18:11:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-09 18:11:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure foo
[2022-02-09 18:11:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure foo
[2022-02-09 18:11:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 18:11:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 18:11:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-09 18:11:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-09 18:11:01,660 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-09 18:11:01,705 INFO L234 CfgBuilder]: Building ICFG
[2022-02-09 18:11:01,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 18:11:01,777 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-09 18:11:01,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 18:11:01,791 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-09 18:11:01,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:11:01 BoogieIcfgContainer
[2022-02-09 18:11:01,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 18:11:01,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 18:11:01,793 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 18:11:01,796 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-09 18:11:01,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 06:11:01" (1/3) ...
[2022-02-09 18:11:01,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f2aeb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:11:01, skipping insertion in model container
[2022-02-09 18:11:01,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:11:01" (2/3) ...
[2022-02-09 18:11:01,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f2aeb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:11:01, skipping insertion in model container
[2022-02-09 18:11:01,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:11:01" (3/3) ...
[2022-02-09 18:11:01,798 INFO L111 eAbstractionObserver]: Analyzing ICFG 14b-subsequent-blocks.c
[2022-02-09 18:11:01,815 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 18:11:01,816 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 18:11:01,816 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-09 18:11:01,816 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 18:11:01,848 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,848 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,848 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,848 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,848 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,849 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,849 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,849 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,849 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,849 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,850 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,850 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,852 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,853 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,853 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,853 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:11:01,854 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-09 18:11:01,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-09 18:11:01,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:11:01,913 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)
[2022-02-09 18:11:01,918 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
[2022-02-09 18:11:01,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 18:11:01,948 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=false, 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
[2022-02-09 18:11:01,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-02-09 18:11:01,955 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 30 transitions, 65 flow
[2022-02-09 18:11:01,971 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 44 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 43 states have internal predecessors, (63), 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)
[2022-02-09 18:11:01,986 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 24 transitions and produced 25 states.
[2022-02-09 18:11:01,987 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-09 18:11:01,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:11:01,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1133540566, now seen corresponding path program 1 times
[2022-02-09 18:11:02,001 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:11:02,001 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494864543]
[2022-02-09 18:11:02,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:11:02,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:11:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:11:02,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:11:02,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:11:02,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494864543]
[2022-02-09 18:11:02,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494864543] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 18:11:02,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 18:11:02,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-09 18:11:02,207 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849259175]
[2022-02-09 18:11:02,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 18:11:02,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-02-09 18:11:02,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:11:02,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-02-09 18:11:02,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-02-09 18:11:02,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 18:11:02,232 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:11:02,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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)
[2022-02-09 18:11:02,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 18:11:02,269 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 28 transitions and produced 28 states.
[2022-02-09 18:11:02,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-02-09 18:11:02,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-09 18:11:02,270 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-09 18:11:02,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:11:02,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1589196619, now seen corresponding path program 1 times
[2022-02-09 18:11:02,274 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:11:02,274 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311409098]
[2022-02-09 18:11:02,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:11:02,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:11:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 18:11:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 18:11:02,336 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 18:11:02,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311409098]
[2022-02-09 18:11:02,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311409098] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 18:11:02,336 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 18:11:02,337 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-09 18:11:02,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490192715]
[2022-02-09 18:11:02,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 18:11:02,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-09 18:11:02,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 18:11:02,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-09 18:11:02,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 18:11:02,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 18:11:02,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 18:11:02,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2022-02-09 18:11:02,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2022-02-09 18:11:02,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 18:11:02,364 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 37 transitions and produced 34 states.
[2022-02-09 18:11:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-02-09 18:11:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-09 18:11:02,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-09 18:11:02,365 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-09 18:11:02,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 18:11:02,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1588838569, now seen corresponding path program 2 times
[2022-02-09 18:11:02,366 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 18:11:02,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764921124]
[2022-02-09 18:11:02,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 18:11:02,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 18:11:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-09 18:11:02,387 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-09 18:11:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-09 18:11:02,407 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-09 18:11:02,407 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-02-09 18:11:02,412 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining)
[2022-02-09 18:11:02,414 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining)
[2022-02-09 18:11:02,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-09 18:11:02,423 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1]
[2022-02-09 18:11:02,426 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-09 18:11:02,426 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-09 18:11:02,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 06:11:02 BasicIcfg
[2022-02-09 18:11:02,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-09 18:11:02,444 INFO L158 Benchmark]: Toolchain (without parser) took 1083.77ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 133.7MB in the beginning and 156.6MB in the end (delta: -22.9MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB.
[2022-02-09 18:11:02,445 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory was 152.3MB in the beginning and 152.3MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 18:11:02,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.59ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 133.6MB in the beginning and 201.2MB in the end (delta: -67.6MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB.
[2022-02-09 18:11:02,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.92ms. Allocated memory is still 224.4MB. Free memory was 201.2MB in the beginning and 200.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 18:11:02,446 INFO L158 Benchmark]: Boogie Preprocessor took 16.07ms. Allocated memory is still 224.4MB. Free memory was 200.0MB in the beginning and 199.1MB in the end (delta: 943.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 18:11:02,446 INFO L158 Benchmark]: RCFGBuilder took 195.23ms. Allocated memory is still 224.4MB. Free memory was 199.1MB in the beginning and 188.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-02-09 18:11:02,446 INFO L158 Benchmark]: TraceAbstraction took 650.50ms. Allocated memory is still 224.4MB. Free memory was 188.0MB in the beginning and 156.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB.
[2022-02-09 18:11:02,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory was 152.3MB in the beginning and 152.3MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 188.59ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 133.6MB in the beginning and 201.2MB in the end (delta: -67.6MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 26.92ms. Allocated memory is still 224.4MB. Free memory was 201.2MB in the beginning and 200.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 16.07ms. Allocated memory is still 224.4MB. Free memory was 200.0MB in the beginning and 199.1MB in the end (delta: 943.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 195.23ms. Allocated memory is still 224.4MB. Free memory was 199.1MB in the beginning and 188.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 650.50ms. Allocated memory is still 224.4MB. Free memory was 188.0MB in the beginning and 156.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. 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: 35]: assertion can be violated
assertion can be violated
We found a FailurePath:
[L15] 0 int x = -1;
VAL [x=-1]
[L23] 0 pthread_t threadId;
VAL [threadId={2:0}, x=-1]
[L24] FCALL, FORK 0 pthread_create(&threadId, NULL, &foo, NULL)
VAL [arg={0:0}, pthread_create(&threadId, NULL, &foo, NULL)=-1, threadId={2:0}, x=-1]
[L27] 0 x = 1
[L28] 0 x = x + 1
VAL [arg={0:0}, threadId={2:0}, x=2]
[L18] 1 x = 0
VAL [arg={0:0}, arg={0:0}, x=0]
[L31] 0 x = x + 1
[L32] 0 x = x + 1
VAL [arg={0:0}, arg={0:0}, threadId={2:0}, x=2]
[L35] 0 CodeAnnotStmt[Assertion]
VAL [arg={0:0}, arg={0:0}, threadId={2:0}, x=2]
- UnprovableResult [Line: 24]: 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, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, 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=44occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-02-09 18:11:02,486 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
[2022-02-09 18:11:02,686 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...