/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-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 09:52:11,670 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-19 09:52:11,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-19 09:52:11,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-19 09:52:11,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-19 09:52:11,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-19 09:52:11,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-19 09:52:11,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-19 09:52:11,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-19 09:52:11,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-19 09:52:11,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-19 09:52:11,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-19 09:52:11,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-19 09:52:11,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-19 09:52:11,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-19 09:52:11,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-19 09:52:11,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 09:52:11,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 09:52:11,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 09:52:11,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 09:52:11,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-19 09:52:11,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 09:52:11,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-19 09:52:11,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-19 09:52:11,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-19 09:52:11,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-19 09:52:11,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-19 09:52:11,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-19 09:52:11,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-19 09:52:11,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-19 09:52:11,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-19 09:52:11,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-19 09:52:11,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-19 09:52:11,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-19 09:52:11,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-19 09:52:11,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-19 09:52:11,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-19 09:52:11,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-19 09:52:11,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-19 09:52:11,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-19 09:52:11,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 09:52:11,783 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-NoForkJoinOpt-wrwc.epf
[2022-02-19 09:52:11,800 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-19 09:52:11,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 09:52:11,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 09:52:11,800 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 09:52:11,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 09:52:11,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 09:52:11,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 09:52:11,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-19 09:52:11,802 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-19 09:52:11,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 09:52:11,802 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-19 09:52:11,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-19 09:52:11,802 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-19 09:52:11,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-19 09:52:11,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 09:52:11,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 09:52:11,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 09:52:11,803 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-19 09:52:11,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-19 09:52:11,803 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-19 09:52:11,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-19 09:52:11,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 09:52:11,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-19 09:52:11,803 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-19 09:52:11,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-19 09:52:11,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 09:52:11,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 09:52:11,804 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-19 09:52:11,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 09:52:11,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 09:52:11,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-19 09:52:11,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 09:52:11,804 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-19 09:52:11,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 09:52:11,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 09:52:11,805 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-19 09:52:11,805 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false
[2022-02-19 09:52:11,805 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false
[2022-02-19 09:52:11,805 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false
[2022-02-19 09:52:12,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 09:52:12,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 09:52:12,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 09:52:12,055 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-19 09:52:12,057 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-19 09:52:12,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i
[2022-02-19 09:52:12,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869c5d1f3/69a98cb31a334516a9942e1aa728508e/FLAG93489e1db
[2022-02-19 09:52:12,510 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-19 09:52:12,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i
[2022-02-19 09:52:12,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869c5d1f3/69a98cb31a334516a9942e1aa728508e/FLAG93489e1db
[2022-02-19 09:52:12,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869c5d1f3/69a98cb31a334516a9942e1aa728508e
[2022-02-19 09:52:12,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 09:52:12,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-19 09:52:12,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-19 09:52:12,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-19 09:52:12,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-19 09:52:12,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:52:12" (1/1) ...
[2022-02-19 09:52:12,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364ed291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:12, skipping insertion in model container
[2022-02-19 09:52:12,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:52:12" (1/1) ...
[2022-02-19 09:52:12,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-19 09:52:12,909 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-19 09:52:13,154 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 09:52:13,159 INFO L203 MainTranslator]: Completed pre-run
[2022-02-19 09:52:13,186 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 09:52:13,209 INFO L208 MainTranslator]: Completed translation
[2022-02-19 09:52:13,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13 WrapperNode
[2022-02-19 09:52:13,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-19 09:52:13,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 09:52:13,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 09:52:13,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 09:52:13,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,238 INFO L137 Inliner]: procedures = 161, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39
[2022-02-19 09:52:13,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 09:52:13,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 09:52:13,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 09:52:13,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 09:52:13,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 09:52:13,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 09:52:13,256 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 09:52:13,257 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-19 09:52:13,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (1/1) ...
[2022-02-19 09:52:13,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 09:52:13,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 09:52:13,290 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 09:52:13,305 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 09:52:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-19 09:52:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-19 09:52:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-19 09:52:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-19 09:52:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-19 09:52:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-19 09:52:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-19 09:52:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-19 09:52:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 09:52:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 09:52:13,318 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 09:52:13,381 INFO L234 CfgBuilder]: Building ICFG
[2022-02-19 09:52:13,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 09:52:13,511 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-19 09:52:13,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 09:52:13,516 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 09:52:13,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:52:13 BoogieIcfgContainer
[2022-02-19 09:52:13,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 09:52:13,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 09:52:13,519 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 09:52:13,522 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-19 09:52:13,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:52:12" (1/3) ...
[2022-02-19 09:52:13,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fb1331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:52:13, skipping insertion in model container
[2022-02-19 09:52:13,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:52:13" (2/3) ...
[2022-02-19 09:52:13,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fb1331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:52:13, skipping insertion in model container
[2022-02-19 09:52:13,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:52:13" (3/3) ...
[2022-02-19 09:52:13,524 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_07-glob_fld_rc.i
[2022-02-19 09:52:13,527 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 09:52:13,527 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 09:52:13,527 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-02-19 09:52:13,527 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 09:52:13,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,548 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,549 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,549 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,550 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,550 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,550 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,551 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,553 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,554 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,555 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 09:52:13,563 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-19 09:52:13,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 09:52:13,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 09:52:13,598 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 09:52:13,599 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 09:52:13,619 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-19 09:52:13,623 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=false, mMcrOverapproximateWrwc=false
[2022-02-19 09:52:13,624 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2022-02-19 09:52:13,655 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 34 transitions and produced 35 states.
[2022-02-19 09:52:13,657 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-19 09:52:13,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 09:52:13,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1232246978, now seen corresponding path program 1 times
[2022-02-19 09:52:13,666 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 09:52:13,667 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885515273]
[2022-02-19 09:52:13,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 09:52:13,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 09:52:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 09:52:13,863 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 09:52:13,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 09:52:13,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885515273]
[2022-02-19 09:52:13,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885515273] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 09:52:13,864 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 09:52:13,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-19 09:52:13,866 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047466554]
[2022-02-19 09:52:13,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 09:52:13,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 09:52:13,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 09:52:13,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 09:52:13,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-19 09:52:13,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:52:13,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 09:52:13,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 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)
[2022-02-19 09:52:13,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:52:13,926 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51 transitions and produced 52 states.
[2022-02-19 09:52:13,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:52:13,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-19 09:52:13,927 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-19 09:52:13,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 09:52:13,928 INFO L85 PathProgramCache]: Analyzing trace with hash -503459018, now seen corresponding path program 1 times
[2022-02-19 09:52:13,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 09:52:13,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764482806]
[2022-02-19 09:52:13,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 09:52:13,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 09:52:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 09:52:14,057 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 09:52:14,061 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 09:52:14,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764482806]
[2022-02-19 09:52:14,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764482806] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 09:52:14,061 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 09:52:14,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-19 09:52:14,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824245510]
[2022-02-19 09:52:14,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 09:52:14,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 09:52:14,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 09:52:14,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 09:52:14,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-19 09:52:14,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:52:14,065 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 09:52:14,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 09:52:14,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:52:14,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:52:14,197 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 85 transitions and produced 86 states.
[2022-02-19 09:52:14,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:52:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:52:14,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-19 09:52:14,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-19 09:52:14,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 09:52:14,199 INFO L85 PathProgramCache]: Analyzing trace with hash -105560055, now seen corresponding path program 1 times
[2022-02-19 09:52:14,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 09:52:14,200 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070725459]
[2022-02-19 09:52:14,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 09:52:14,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 09:52:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 09:52:14,340 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 09:52:14,341 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 09:52:14,341 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070725459]
[2022-02-19 09:52:14,341 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070725459] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 09:52:14,342 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 09:52:14,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-19 09:52:14,342 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752597258]
[2022-02-19 09:52:14,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 09:52:14,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 09:52:14,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 09:52:14,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 09:52:14,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-19 09:52:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:52:14,344 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 09:52:14,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 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 09:52:14,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:52:14,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:52:14,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 09:52:14,501 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 355 transitions and produced 226 states.
[2022-02-19 09:52:14,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:52:14,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:52:14,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-19 09:52:14,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-19 09:52:14,502 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-19 09:52:14,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 09:52:14,502 INFO L85 PathProgramCache]: Analyzing trace with hash -519886121, now seen corresponding path program 1 times
[2022-02-19 09:52:14,503 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 09:52:14,503 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693818690]
[2022-02-19 09:52:14,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 09:52:14,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 09:52:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-19 09:52:14,541 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-19 09:52:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-19 09:52:14,596 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-19 09:52:14,596 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-02-19 09:52:14,597 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining)
[2022-02-19 09:52:14,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2022-02-19 09:52:14,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining)
[2022-02-19 09:52:14,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2022-02-19 09:52:14,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2022-02-19 09:52:14,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2022-02-19 09:52:14,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2022-02-19 09:52:14,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-19 09:52:14,604 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-02-19 09:52:14,607 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-19 09:52:14,607 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-19 09:52:14,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:52:14 BasicIcfg
[2022-02-19 09:52:14,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-19 09:52:14,644 INFO L158 Benchmark]: Toolchain (without parser) took 1784.25ms. Allocated memory was 182.5MB in the beginning and 254.8MB in the end (delta: 72.4MB). Free memory was 124.4MB in the beginning and 193.9MB in the end (delta: -69.5MB). Peak memory consumption was 3.4MB. Max. memory is 8.0GB.
[2022-02-19 09:52:14,645 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 141.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 09:52:14,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.60ms. Allocated memory was 182.5MB in the beginning and 254.8MB in the end (delta: 72.4MB). Free memory was 124.2MB in the beginning and 219.0MB in the end (delta: -94.8MB). Peak memory consumption was 17.7MB. Max. memory is 8.0GB.
[2022-02-19 09:52:14,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.17ms. Allocated memory is still 254.8MB. Free memory was 219.0MB in the beginning and 216.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-19 09:52:14,646 INFO L158 Benchmark]: Boogie Preprocessor took 16.73ms. Allocated memory is still 254.8MB. Free memory was 216.9MB in the beginning and 215.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 09:52:14,646 INFO L158 Benchmark]: RCFGBuilder took 261.39ms. Allocated memory is still 254.8MB. Free memory was 215.3MB in the beginning and 202.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-19 09:52:14,646 INFO L158 Benchmark]: TraceAbstraction took 1124.64ms. Allocated memory is still 254.8MB. Free memory was 202.2MB in the beginning and 193.9MB in the end (delta: 8.3MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB.
[2022-02-19 09:52:14,648 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 182.5MB. Free memory was 141.8MB in the beginning and 141.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 347.60ms. Allocated memory was 182.5MB in the beginning and 254.8MB in the end (delta: 72.4MB). Free memory was 124.2MB in the beginning and 219.0MB in the end (delta: -94.8MB). Peak memory consumption was 17.7MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 28.17ms. Allocated memory is still 254.8MB. Free memory was 219.0MB in the beginning and 216.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 16.73ms. Allocated memory is still 254.8MB. Free memory was 216.9MB in the beginning and 215.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 261.39ms. Allocated memory is still 254.8MB. Free memory was 215.3MB in the beginning and 202.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 1124.64ms. Allocated memory is still 254.8MB. Free memory was 202.2MB in the beginning and 193.9MB in the end (delta: 8.3MB). Peak memory consumption was 9.3MB. 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
- DataRaceFoundResult [Line: 690]: Data race detected
Data race detected
The following path leads to a data race:
[L679-L682] 0 struct {
int x;
int y;
} data;
VAL [data={1:0}]
[L688] 0 pthread_t id;
VAL [data={1:0}, id={5:0}]
[L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [arg={0:0}, data={1:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1]
[L690] EXPR 0 data.x
VAL [arg={0:0}, data={1:0}, data.x=0, id={5:0}]
[L690] 0 data.x++
VAL [arg={0:0}, data={1:0}, data.x=0, data.x++=9, data.x++=0, id={5:0}]
[L684] EXPR 1 data.x
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1]
[L684] 1 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1]
[L690] 0 data.x++
VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=1, data.x++=9, data.x++=0, id={5:0}]
Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements
* C: data.x++ [690]
* C: data.x++ [684]
* C: data.x++ [690]
* C: data.x++ [690]
* C: data.x++ [690]
and
C: data.x++ [690]
- UnprovableResult [Line: 690]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 689]: 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.
- UnprovableResult [Line: 684]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 684]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 92 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-02-19 09:52:14,703 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 09:52:14,922 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...