/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-FA-NoLbe.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/03-practical_08-nonterm1.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 01:57:16,266 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-09 01:57:16,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-09 01:57:16,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-09 01:57:16,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-09 01:57:16,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-09 01:57:16,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-09 01:57:16,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-09 01:57:16,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-09 01:57:16,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-09 01:57:16,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-09 01:57:16,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-09 01:57:16,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-09 01:57:16,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-09 01:57:16,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-09 01:57:16,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-09 01:57:16,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-09 01:57:16,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-09 01:57:16,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-09 01:57:16,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-09 01:57:16,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-09 01:57:16,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-09 01:57:16,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-09 01:57:16,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-09 01:57:16,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-09 01:57:16,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-09 01:57:16,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-09 01:57:16,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-09 01:57:16,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-09 01:57:16,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-09 01:57:16,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-09 01:57:16,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-09 01:57:16,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2022-02-09 01:57:16,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-09 01:57:16,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-09 01:57:16,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-09 01:57:16,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-09 01:57:16,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-09 01:57:16,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-09 01:57:16,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-09 01:57:16,375 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-FA-NoLbe.epf
[2022-02-09 01:57:16,398 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-09 01:57:16,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 01:57:16,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 01:57:16,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 01:57:16,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 01:57:16,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 01:57:16,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 01:57:16,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-09 01:57:16,400 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-09 01:57:16,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 01:57:16,400 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-09 01:57:16,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-09 01:57:16,400 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-09 01:57:16,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-09 01:57:16,401 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-09 01:57:16,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-09 01:57:16,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 01:57:16,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 01:57:16,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 01:57:16,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 01:57:16,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-09 01:57:16,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 01:57:16,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-09 01:57:16,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 01:57:16,403 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false
[2022-02-09 01:57:16,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 01:57:16,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 01:57:16,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 01:57:16,675 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-09 01:57:16,676 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-09 01:57:16,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i
[2022-02-09 01:57:16,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3940e2d7f/f5cd0d8c29354e24ba2c3cbf9078d2c9/FLAG1c7fad19c
[2022-02-09 01:57:17,300 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-09 01:57:17,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i
[2022-02-09 01:57:17,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3940e2d7f/f5cd0d8c29354e24ba2c3cbf9078d2c9/FLAG1c7fad19c
[2022-02-09 01:57:17,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3940e2d7f/f5cd0d8c29354e24ba2c3cbf9078d2c9
[2022-02-09 01:57:17,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 01:57:17,630 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-09 01:57:17,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-09 01:57:17,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-09 01:57:17,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-09 01:57:17,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:57:17" (1/1) ...
[2022-02-09 01:57:17,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f4e662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:17, skipping insertion in model container
[2022-02-09 01:57:17,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:57:17" (1/1) ...
[2022-02-09 01:57:17,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-09 01:57:17,671 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-09 01:57:18,051 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-09 01:57:18,059 INFO L203 MainTranslator]: Completed pre-run
[2022-02-09 01:57:18,092 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-09 01:57:18,137 INFO L208 MainTranslator]: Completed translation
[2022-02-09 01:57:18,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18 WrapperNode
[2022-02-09 01:57:18,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-09 01:57:18,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 01:57:18,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 01:57:18,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 01:57:18,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,188 INFO L137 Inliner]: procedures = 264, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89
[2022-02-09 01:57:18,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 01:57:18,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 01:57:18,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 01:57:18,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 01:57:18,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 01:57:18,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 01:57:18,207 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 01:57:18,207 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-09 01:57:18,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (1/1) ...
[2022-02-09 01:57:18,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 01:57:18,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 01:57:18,245 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 01:57:18,268 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 01:57:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-09 01:57:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-09 01:57:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-02-09 01:57:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-09 01:57:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-02-09 01:57:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-09 01:57:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-09 01:57:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-09 01:57:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-09 01:57:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 01:57:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 01:57:18,298 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 01:57:18,376 INFO L234 CfgBuilder]: Building ICFG
[2022-02-09 01:57:18,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 01:57:18,586 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-09 01:57:18,591 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 01:57:18,591 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2022-02-09 01:57:18,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:57:18 BoogieIcfgContainer
[2022-02-09 01:57:18,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 01:57:18,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 01:57:18,594 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 01:57:18,599 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-09 01:57:18,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 01:57:17" (1/3) ...
[2022-02-09 01:57:18,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632cf530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:57:18, skipping insertion in model container
[2022-02-09 01:57:18,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:57:18" (2/3) ...
[2022-02-09 01:57:18,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632cf530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:57:18, skipping insertion in model container
[2022-02-09 01:57:18,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:57:18" (3/3) ...
[2022-02-09 01:57:18,601 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_08-nonterm1.i
[2022-02-09 01:57:18,604 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 01:57:18,605 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 01:57:18,605 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2022-02-09 01:57:18,605 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 01:57:18,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 01:57:18,663 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-02-09 01:57:18,703 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 01:57:18,709 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=FINITE_AUTOMATA, 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 01:57:18,710 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2022-02-09 01:57:18,718 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 104 places, 102 transitions, 212 flow
[2022-02-09 01:57:18,784 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 870 states, 850 states have (on average 1.988235294117647) internal successors, (1690), 869 states have internal predecessors, (1690), 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 01:57:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 870 states, 850 states have (on average 1.988235294117647) internal successors, (1690), 869 states have internal predecessors, (1690), 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 01:57:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2022-02-09 01:57:18,807 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 01:57:18,808 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 01:57:18,809 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2022-02-09 01:57:18,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 01:57:18,816 INFO L85 PathProgramCache]: Analyzing trace with hash 944792271, now seen corresponding path program 1 times
[2022-02-09 01:57:18,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 01:57:18,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994724871]
[2022-02-09 01:57:18,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 01:57:18,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 01:57:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 01:57:18,999 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 01:57:18,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 01:57:19,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994724871]
[2022-02-09 01:57:19,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994724871] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 01:57:19,000 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 01:57:19,000 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-09 01:57:19,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590561075]
[2022-02-09 01:57:19,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 01:57:19,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-09 01:57:19,005 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 01:57:19,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-09 01:57:19,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,029 INFO L87 Difference]: Start difference. First operand has 870 states, 850 states have (on average 1.988235294117647) internal successors, (1690), 869 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 01:57:19,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 01:57:19,094 INFO L93 Difference]: Finished difference Result 925 states and 1775 transitions.
[2022-02-09 01:57:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-09 01:57:19,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34
[2022-02-09 01:57:19,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 01:57:19,111 INFO L225 Difference]: With dead ends: 925
[2022-02-09 01:57:19,111 INFO L226 Difference]: Without dead ends: 919
[2022-02-09 01:57:19,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,115 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 46 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 01:57:19,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 179 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 01:57:19,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states.
[2022-02-09 01:57:19,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 787.
[2022-02-09 01:57:19,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 773 states have (on average 1.945666235446313) internal successors, (1504), 786 states have internal predecessors, (1504), 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 01:57:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1504 transitions.
[2022-02-09 01:57:19,188 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1504 transitions. Word has length 34
[2022-02-09 01:57:19,188 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 01:57:19,188 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1504 transitions.
[2022-02-09 01:57:19,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 01:57:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1504 transitions.
[2022-02-09 01:57:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2022-02-09 01:57:19,189 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 01:57:19,189 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 01:57:19,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-09 01:57:19,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2022-02-09 01:57:19,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 01:57:19,190 INFO L85 PathProgramCache]: Analyzing trace with hash 19488146, now seen corresponding path program 1 times
[2022-02-09 01:57:19,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 01:57:19,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602060523]
[2022-02-09 01:57:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 01:57:19,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 01:57:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 01:57:19,255 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 01:57:19,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 01:57:19,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602060523]
[2022-02-09 01:57:19,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602060523] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 01:57:19,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 01:57:19,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-09 01:57:19,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793259094]
[2022-02-09 01:57:19,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 01:57:19,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-09 01:57:19,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 01:57:19,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-09 01:57:19,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,259 INFO L87 Difference]: Start difference. First operand 787 states and 1504 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 01:57:19,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 01:57:19,288 INFO L93 Difference]: Finished difference Result 811 states and 1550 transitions.
[2022-02-09 01:57:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-09 01:57:19,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38
[2022-02-09 01:57:19,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 01:57:19,292 INFO L225 Difference]: With dead ends: 811
[2022-02-09 01:57:19,292 INFO L226 Difference]: Without dead ends: 811
[2022-02-09 01:57:19,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,293 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 20 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 01:57:19,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 161 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 01:57:19,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states.
[2022-02-09 01:57:19,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 795.
[2022-02-09 01:57:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 782 states have (on average 1.9424552429667519) internal successors, (1519), 794 states have internal predecessors, (1519), 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 01:57:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1519 transitions.
[2022-02-09 01:57:19,313 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1519 transitions. Word has length 38
[2022-02-09 01:57:19,313 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 01:57:19,313 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1519 transitions.
[2022-02-09 01:57:19,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 01:57:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1519 transitions.
[2022-02-09 01:57:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2022-02-09 01:57:19,316 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 01:57:19,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 01:57:19,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-09 01:57:19,316 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2022-02-09 01:57:19,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 01:57:19,317 INFO L85 PathProgramCache]: Analyzing trace with hash -933330746, now seen corresponding path program 1 times
[2022-02-09 01:57:19,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 01:57:19,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108616415]
[2022-02-09 01:57:19,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 01:57:19,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 01:57:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 01:57:19,380 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 01:57:19,380 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 01:57:19,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108616415]
[2022-02-09 01:57:19,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108616415] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 01:57:19,381 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 01:57:19,381 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-09 01:57:19,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007634518]
[2022-02-09 01:57:19,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 01:57:19,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-09 01:57:19,381 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 01:57:19,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-09 01:57:19,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,382 INFO L87 Difference]: Start difference. First operand 795 states and 1519 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 01:57:19,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 01:57:19,431 INFO L93 Difference]: Finished difference Result 836 states and 1601 transitions.
[2022-02-09 01:57:19,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-09 01:57:19,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39
[2022-02-09 01:57:19,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 01:57:19,435 INFO L225 Difference]: With dead ends: 836
[2022-02-09 01:57:19,435 INFO L226 Difference]: Without dead ends: 836
[2022-02-09 01:57:19,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,438 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 31 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 01:57:19,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 168 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 01:57:19,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states.
[2022-02-09 01:57:19,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 809.
[2022-02-09 01:57:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 799 states have (on average 1.9361702127659575) internal successors, (1547), 808 states have internal predecessors, (1547), 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 01:57:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1547 transitions.
[2022-02-09 01:57:19,454 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1547 transitions. Word has length 39
[2022-02-09 01:57:19,454 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 01:57:19,454 INFO L470 AbstractCegarLoop]: Abstraction has 809 states and 1547 transitions.
[2022-02-09 01:57:19,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 01:57:19,455 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1547 transitions.
[2022-02-09 01:57:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2022-02-09 01:57:19,461 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 01:57:19,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 01:57:19,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-09 01:57:19,462 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2022-02-09 01:57:19,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 01:57:19,462 INFO L85 PathProgramCache]: Analyzing trace with hash -359008164, now seen corresponding path program 1 times
[2022-02-09 01:57:19,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 01:57:19,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512577908]
[2022-02-09 01:57:19,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 01:57:19,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 01:57:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 01:57:19,554 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 01:57:19,554 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 01:57:19,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512577908]
[2022-02-09 01:57:19,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512577908] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 01:57:19,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 01:57:19,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-09 01:57:19,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131029803]
[2022-02-09 01:57:19,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 01:57:19,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-09 01:57:19,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 01:57:19,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-09 01:57:19,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,555 INFO L87 Difference]: Start difference. First operand 809 states and 1547 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 01:57:19,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 01:57:19,592 INFO L93 Difference]: Finished difference Result 659 states and 1237 transitions.
[2022-02-09 01:57:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-09 01:57:19,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43
[2022-02-09 01:57:19,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 01:57:19,596 INFO L225 Difference]: With dead ends: 659
[2022-02-09 01:57:19,596 INFO L226 Difference]: Without dead ends: 659
[2022-02-09 01:57:19,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,597 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 39 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 01:57:19,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 168 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 01:57:19,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states.
[2022-02-09 01:57:19,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 623.
[2022-02-09 01:57:19,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 617 states have (on average 1.8881685575364668) internal successors, (1165), 622 states have internal predecessors, (1165), 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 01:57:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 1165 transitions.
[2022-02-09 01:57:19,614 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 1165 transitions. Word has length 43
[2022-02-09 01:57:19,614 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 01:57:19,615 INFO L470 AbstractCegarLoop]: Abstraction has 623 states and 1165 transitions.
[2022-02-09 01:57:19,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 01:57:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1165 transitions.
[2022-02-09 01:57:19,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2022-02-09 01:57:19,616 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 01:57:19,616 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 01:57:19,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-09 01:57:19,617 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2022-02-09 01:57:19,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 01:57:19,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1208307905, now seen corresponding path program 1 times
[2022-02-09 01:57:19,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 01:57:19,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159470238]
[2022-02-09 01:57:19,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 01:57:19,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 01:57:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 01:57:19,785 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 01:57:19,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 01:57:19,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159470238]
[2022-02-09 01:57:19,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159470238] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 01:57:19,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 01:57:19,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-09 01:57:19,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462120643]
[2022-02-09 01:57:19,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 01:57:19,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-09 01:57:19,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 01:57:19,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-09 01:57:19,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-09 01:57:19,787 INFO L87 Difference]: Start difference. First operand 623 states and 1165 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 01:57:19,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 01:57:19,815 INFO L93 Difference]: Finished difference Result 590 states and 1099 transitions.
[2022-02-09 01:57:19,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-09 01:57:19,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47
[2022-02-09 01:57:19,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 01:57:19,817 INFO L225 Difference]: With dead ends: 590
[2022-02-09 01:57:19,817 INFO L226 Difference]: Without dead ends: 482
[2022-02-09 01:57:19,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-09 01:57:19,819 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 131 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 01:57:19,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 442 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 01:57:19,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states.
[2022-02-09 01:57:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482.
[2022-02-09 01:57:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 478 states have (on average 1.797071129707113) internal successors, (859), 481 states have internal predecessors, (859), 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 01:57:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 859 transitions.
[2022-02-09 01:57:19,831 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 859 transitions. Word has length 47
[2022-02-09 01:57:19,831 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 01:57:19,831 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 859 transitions.
[2022-02-09 01:57:19,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 01:57:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 859 transitions.
[2022-02-09 01:57:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2022-02-09 01:57:19,833 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 01:57:19,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 01:57:19,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-09 01:57:19,833 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2022-02-09 01:57:19,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 01:57:19,834 INFO L85 PathProgramCache]: Analyzing trace with hash 282715029, now seen corresponding path program 1 times
[2022-02-09 01:57:19,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 01:57:19,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516840920]
[2022-02-09 01:57:19,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 01:57:19,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 01:57:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 01:57:19,881 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 01:57:19,881 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 01:57:19,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516840920]
[2022-02-09 01:57:19,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516840920] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 01:57:19,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 01:57:19,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-09 01:57:19,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645690171]
[2022-02-09 01:57:19,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 01:57:19,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-09 01:57:19,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 01:57:19,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-09 01:57:19,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,884 INFO L87 Difference]: Start difference. First operand 482 states and 859 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 01:57:19,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 01:57:19,941 INFO L93 Difference]: Finished difference Result 485 states and 852 transitions.
[2022-02-09 01:57:19,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-09 01:57:19,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53
[2022-02-09 01:57:19,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 01:57:19,942 INFO L225 Difference]: With dead ends: 485
[2022-02-09 01:57:19,942 INFO L226 Difference]: Without dead ends: 273
[2022-02-09 01:57:19,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-09 01:57:19,945 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 19 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 01:57:19,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 155 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 01:57:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states.
[2022-02-09 01:57:19,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273.
[2022-02-09 01:57:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 271 states have (on average 1.6346863468634687) internal successors, (443), 272 states have internal predecessors, (443), 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 01:57:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 443 transitions.
[2022-02-09 01:57:19,952 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 443 transitions. Word has length 53
[2022-02-09 01:57:19,953 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 01:57:19,953 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 443 transitions.
[2022-02-09 01:57:19,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 01:57:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 443 transitions.
[2022-02-09 01:57:19,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2022-02-09 01:57:19,953 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 01:57:19,953 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-09 01:57:19,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-02-09 01:57:19,954 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2022-02-09 01:57:19,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 01:57:19,954 INFO L85 PathProgramCache]: Analyzing trace with hash 41111221, now seen corresponding path program 1 times
[2022-02-09 01:57:19,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 01:57:19,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10995601]
[2022-02-09 01:57:19,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 01:57:19,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 01:57:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-09 01:57:19,973 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-09 01:57:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-09 01:57:20,008 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-09 01:57:20,008 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-02-09 01:57:20,009 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining)
[2022-02-09 01:57:20,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining)
[2022-02-09 01:57:20,011 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining)
[2022-02-09 01:57:20,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining)
[2022-02-09 01:57:20,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining)
[2022-02-09 01:57:20,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (7 of 13 remaining)
[2022-02-09 01:57:20,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining)
[2022-02-09 01:57:20,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining)
[2022-02-09 01:57:20,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining)
[2022-02-09 01:57:20,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining)
[2022-02-09 01:57:20,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining)
[2022-02-09 01:57:20,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining)
[2022-02-09 01:57:20,013 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining)
[2022-02-09 01:57:20,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-02-09 01:57:20,015 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2022-02-09 01:57:20,020 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-09 01:57:20,020 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-09 01:57:20,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 01:57:20 BasicIcfg
[2022-02-09 01:57:20,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-09 01:57:20,071 INFO L158 Benchmark]: Toolchain (without parser) took 2440.88ms. Allocated memory was 164.6MB in the beginning and 278.9MB in the end (delta: 114.3MB). Free memory was 109.1MB in the beginning and 231.4MB in the end (delta: -122.4MB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 01:57:20,071 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 164.6MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 01:57:20,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.89ms. Allocated memory was 164.6MB in the beginning and 278.9MB in the end (delta: 114.3MB). Free memory was 108.9MB in the beginning and 235.3MB in the end (delta: -126.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB.
[2022-02-09 01:57:20,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.56ms. Allocated memory is still 278.9MB. Free memory was 235.3MB in the beginning and 232.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-09 01:57:20,071 INFO L158 Benchmark]: Boogie Preprocessor took 17.92ms. Allocated memory is still 278.9MB. Free memory was 232.7MB in the beginning and 231.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-09 01:57:20,071 INFO L158 Benchmark]: RCFGBuilder took 385.50ms. Allocated memory is still 278.9MB. Free memory was 231.1MB in the beginning and 218.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-09 01:57:20,072 INFO L158 Benchmark]: TraceAbstraction took 1476.39ms. Allocated memory is still 278.9MB. Free memory was 217.5MB in the beginning and 231.4MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 01:57:20,075 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.47ms. Allocated memory is still 164.6MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 504.89ms. Allocated memory was 164.6MB in the beginning and 278.9MB in the end (delta: 114.3MB). Free memory was 108.9MB in the beginning and 235.3MB in the end (delta: -126.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 49.56ms. Allocated memory is still 278.9MB. Free memory was 235.3MB in the beginning and 232.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 17.92ms. Allocated memory is still 278.9MB. Free memory was 232.7MB in the beginning and 231.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 385.50ms. Allocated memory is still 278.9MB. Free memory was 231.1MB in the beginning and 218.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 1476.39ms. Allocated memory is still 278.9MB. Free memory was 217.5MB in the beginning and 231.4MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- DataRaceFoundResult [Line: 924]: Data race detected
Data race detected
The following path leads to a data race:
[L918] 0 int myglobal;
VAL [myglobal=0]
[L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [mutex1={2:0}, myglobal=0]
[L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
VAL [mutex1={2:0}, mutex2={3:0}, myglobal=0]
[L936] 0 pthread_t id;
VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0]
[L937] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1]
[L930] EXPR 1 myglobal+1
VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0]
[L930] 1 myglobal=myglobal+1
VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1, myglobal=myglobal+1=26]
[L930] 1 myglobal=myglobal+1
VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1]
[L932] CALL 1 fun()
[L939] EXPR 0 myglobal+1
VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1]
[L922] 1 int i = __VERIFIER_nondet_int();
VAL [__VERIFIER_nondet_int()=0, i=0, mutex1={2:0}, mutex2={3:0}, myglobal=1]
[L924] 1 myglobal+1
VAL [i=0, mutex1={2:0}, mutex2={3:0}, myglobal=1]
[L939] EXPR 0 myglobal+1
VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1]
[L939] 0 myglobal=myglobal+1
VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=2, myglobal=myglobal+1=25]
[L924] 1 myglobal+1
VAL [i=0, mutex1={2:0}, mutex2={3:0}, myglobal=2]
Now there is a data race on ~myglobal~0 between
C: myglobal=myglobal+1 [939]
and
C: myglobal+1 [924]
- UnprovableResult [Line: 939]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 939]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 941]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 942]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 937]: 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: 930]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 930]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 924]: 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, 140 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 286 mSDsluCounter, 1273 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 555 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 723 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=870occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 211 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 391 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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
[2022-02-09 01:57:20,139 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...