/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-17 22:42:27,319 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-17 22:42:27,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-17 22:42:27,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-17 22:42:27,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-17 22:42:27,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-17 22:42:27,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-17 22:42:27,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-17 22:42:27,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-17 22:42:27,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-04-17 22:42:27,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-17 22:42:27,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-17 22:42:27,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-17 22:42:27,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-17 22:42:27,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-17 22:42:27,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-17 22:42:27,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-17 22:42:27,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-17 22:42:27,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-17 22:42:27,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-17 22:42:27,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-17 22:42:27,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-17 22:42:27,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-17 22:42:27,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-17 22:42:27,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-17 22:42:27,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-17 22:42:27,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-17 22:42:27,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-17 22:42:27,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-17 22:42:27,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-17 22:42:27,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-17 22:42:27,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-04-17 22:42:27,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-17 22:42:27,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-17 22:42:27,407 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-SemanticLbe.epf
[2020-04-17 22:42:27,421 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-17 22:42:27,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-17 22:42:27,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-17 22:42:27,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-17 22:42:27,423 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-17 22:42:27,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-17 22:42:27,423 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-17 22:42:27,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-17 22:42:27,423 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-17 22:42:27,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-17 22:42:27,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-17 22:42:27,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-17 22:42:27,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-17 22:42:27,424 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-17 22:42:27,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-17 22:42:27,425 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-17 22:42:27,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-17 22:42:27,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-17 22:42:27,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-17 22:42:27,425 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-17 22:42:27,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-17 22:42:27,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 22:42:27,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-17 22:42:27,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-17 22:42:27,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-17 22:42:27,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-17 22:42:27,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-17 22:42:27,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-17 22:42:27,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-17 22:42:27,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-17 22:42:27,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-17 22:42:27,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-17 22:42:27,709 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-17 22:42:27,710 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-17 22:42:27,711 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i
[2020-04-17 22:42:27,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a37768b/fc24b251281146248a6e6a36fa6aad61/FLAGaac66a1fb
[2020-04-17 22:42:28,392 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-17 22:42:28,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i
[2020-04-17 22:42:28,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a37768b/fc24b251281146248a6e6a36fa6aad61/FLAGaac66a1fb
[2020-04-17 22:42:28,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a37768b/fc24b251281146248a6e6a36fa6aad61
[2020-04-17 22:42:28,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-17 22:42:28,682 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-17 22:42:28,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-17 22:42:28,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-17 22:42:28,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-17 22:42:28,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:42:28" (1/1) ...
[2020-04-17 22:42:28,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7539b7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:28, skipping insertion in model container
[2020-04-17 22:42:28,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:42:28" (1/1) ...
[2020-04-17 22:42:28,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-17 22:42:28,766 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-17 22:42:29,483 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 22:42:29,497 INFO L203 MainTranslator]: Completed pre-run
[2020-04-17 22:42:29,558 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 22:42:29,977 INFO L208 MainTranslator]: Completed translation
[2020-04-17 22:42:29,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29 WrapperNode
[2020-04-17 22:42:29,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-17 22:42:29,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-17 22:42:29,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-17 22:42:29,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-17 22:42:29,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
[2020-04-17 22:42:30,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
[2020-04-17 22:42:30,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-17 22:42:30,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-17 22:42:30,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-17 22:42:30,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-17 22:42:30,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
[2020-04-17 22:42:30,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
[2020-04-17 22:42:30,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
[2020-04-17 22:42:30,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
[2020-04-17 22:42:30,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
[2020-04-17 22:42:30,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
[2020-04-17 22:42:30,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
[2020-04-17 22:42:30,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-17 22:42:30,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-17 22:42:30,155 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-17 22:42:30,155 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-17 22:42:30,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 22:42:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-17 22:42:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-04-17 22:42:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2020-04-17 22:42:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-04-17 22:42:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-17 22:42:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-17 22:42:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-17 22:42:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2020-04-17 22:42:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2020-04-17 22:42:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-17 22:42:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-04-17 22:42:30,227 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-17 22:42:30,839 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-17 22:42:30,839 INFO L295 CfgBuilder]: Removed 16 assume(true) statements.
[2020-04-17 22:42:30,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:42:30 BoogieIcfgContainer
[2020-04-17 22:42:30,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-17 22:42:30,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-17 22:42:30,845 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-17 22:42:30,848 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-17 22:42:30,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 10:42:28" (1/3) ...
[2020-04-17 22:42:30,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b009240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:42:30, skipping insertion in model container
[2020-04-17 22:42:30,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:42:29" (2/3) ...
[2020-04-17 22:42:30,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b009240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:42:30, skipping insertion in model container
[2020-04-17 22:42:30,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:42:30" (3/3) ...
[2020-04-17 22:42:30,854 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i
[2020-04-17 22:42:30,866 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-17 22:42:30,866 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-17 22:42:30,872 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations.
[2020-04-17 22:42:30,873 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-17 22:42:30,897 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,897 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,897 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,897 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,898 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,898 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,898 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,899 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,902 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,903 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,903 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,903 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,903 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:42:30,925 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2020-04-17 22:42:30,945 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-17 22:42:30,945 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-17 22:42:30,945 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-17 22:42:30,945 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-17 22:42:30,945 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-17 22:42:30,946 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-17 22:42:30,946 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-17 22:42:30,946 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-17 22:42:30,962 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions, 178 flow
[2020-04-17 22:42:30,964 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow
[2020-04-17 22:42:31,008 INFO L129 PetriNetUnfolder]: 5/96 cut-off events.
[2020-04-17 22:42:31,008 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2020-04-17 22:42:31,012 INFO L80 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 5/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place.
[2020-04-17 22:42:31,015 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow
[2020-04-17 22:42:31,038 INFO L129 PetriNetUnfolder]: 5/96 cut-off events.
[2020-04-17 22:42:31,039 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2020-04-17 22:42:31,039 INFO L80 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 5/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place.
[2020-04-17 22:42:31,041 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 308
[2020-04-17 22:42:31,042 INFO L170 etLargeBlockEncoding]: Semantic Check.
[2020-04-17 22:42:33,214 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43
[2020-04-17 22:42:34,053 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58
[2020-04-17 22:42:34,518 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68
[2020-04-17 22:42:34,921 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80
[2020-04-17 22:42:35,046 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 74
[2020-04-17 22:42:35,366 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96
[2020-04-17 22:42:35,535 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88
[2020-04-17 22:42:35,542 INFO L206 etLargeBlockEncoding]: Checked pairs total: 256
[2020-04-17 22:42:35,543 INFO L214 etLargeBlockEncoding]: Total number of compositions: 98
[2020-04-17 22:42:35,547 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 15 transitions, 38 flow
[2020-04-17 22:42:35,555 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states.
[2020-04-17 22:42:35,557 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states.
[2020-04-17 22:42:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2
[2020-04-17 22:42:35,562 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:42:35,563 INFO L425 BasicCegarLoop]: trace histogram [1]
[2020-04-17 22:42:35,563 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:42:35,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:42:35,569 INFO L82 PathProgramCache]: Analyzing trace with hash 337, now seen corresponding path program 1 times
[2020-04-17 22:42:35,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:42:35,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101868468]
[2020-04-17 22:42:35,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:42:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:42:35,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:42:35,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101868468]
[2020-04-17 22:42:35,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:42:35,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2020-04-17 22:42:35,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236604427]
[2020-04-17 22:42:35,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-04-17 22:42:35,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:42:35,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-04-17 22:42:35,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 22:42:35,940 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states.
[2020-04-17 22:42:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:42:35,956 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions.
[2020-04-17 22:42:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-04-17 22:42:35,957 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1
[2020-04-17 22:42:35,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:42:35,982 INFO L225 Difference]: With dead ends: 18
[2020-04-17 22:42:35,982 INFO L226 Difference]: Without dead ends: 8
[2020-04-17 22:42:35,987 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 22:42:36,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2020-04-17 22:42:36,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2020-04-17 22:42:36,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2020-04-17 22:42:36,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions.
[2020-04-17 22:42:36,021 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 1
[2020-04-17 22:42:36,021 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:42:36,021 INFO L479 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions.
[2020-04-17 22:42:36,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-04-17 22:42:36,021 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions.
[2020-04-17 22:42:36,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2020-04-17 22:42:36,022 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:42:36,022 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1]
[2020-04-17 22:42:36,022 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:42:36,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:42:36,023 INFO L82 PathProgramCache]: Analyzing trace with hash 10458850, now seen corresponding path program 1 times
[2020-04-17 22:42:36,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:42:36,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119269065]
[2020-04-17 22:42:36,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:42:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:42:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:42:36,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119269065]
[2020-04-17 22:42:36,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:42:36,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 22:42:36,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314938834]
[2020-04-17 22:42:36,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-17 22:42:36,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:42:36,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-17 22:42:36,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-17 22:42:36,197 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states.
[2020-04-17 22:42:36,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:42:36,221 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions.
[2020-04-17 22:42:36,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-17 22:42:36,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4
[2020-04-17 22:42:36,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:42:36,222 INFO L225 Difference]: With dead ends: 8
[2020-04-17 22:42:36,222 INFO L226 Difference]: Without dead ends: 6
[2020-04-17 22:42:36,223 INFO L678 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
[2020-04-17 22:42:36,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states.
[2020-04-17 22:42:36,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6.
[2020-04-17 22:42:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2020-04-17 22:42:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions.
[2020-04-17 22:42:36,225 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4
[2020-04-17 22:42:36,226 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:42:36,226 INFO L479 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions.
[2020-04-17 22:42:36,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-17 22:42:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions.
[2020-04-17 22:42:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2020-04-17 22:42:36,226 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:42:36,227 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2020-04-17 22:42:36,227 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:42:36,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:42:36,227 INFO L82 PathProgramCache]: Analyzing trace with hash 324224792, now seen corresponding path program 1 times
[2020-04-17 22:42:36,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:42:36,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369285120]
[2020-04-17 22:42:36,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:42:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-04-17 22:42:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-04-17 22:42:36,326 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-04-17 22:42:36,327 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2020-04-17 22:42:36,327 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available.
[2020-04-17 22:42:36,332 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [276] [276] L1682-->L1696: Formula: (and (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet31_In-771328926| 2147483648)) (not (= 0 ULTIMATE.start_ldv_assert_~expression_Out-771328926)) (<= |ULTIMATE.start_module_init_#t~nondet31_In-771328926| 2147483647) (= ULTIMATE.start_ldv_assert_~expression_Out-771328926 |ULTIMATE.start_ldv_assert_#in~expression_In-771328926|)) InVars {ULTIMATE.start_module_init_#t~nondet31=|ULTIMATE.start_module_init_#t~nondet31_In-771328926|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-771328926|} OutVars{ULTIMATE.start_module_init_#t~nondet31=|ULTIMATE.start_module_init_#t~nondet31_In-771328926|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_In-771328926|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-771328926} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge
[2020-04-17 22:42:36,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 10:42:36 BasicIcfg
[2020-04-17 22:42:36,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-17 22:42:36,354 INFO L168 Benchmark]: Toolchain (without parser) took 7693.07 ms. Allocated memory was 138.4 MB in the beginning and 282.6 MB in the end (delta: 144.2 MB). Free memory was 98.7 MB in the beginning and 161.3 MB in the end (delta: -62.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB.
[2020-04-17 22:42:36,355 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-04-17 22:42:36,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1296.50 ms. Allocated memory was 138.4 MB in the beginning and 237.0 MB in the end (delta: 98.6 MB). Free memory was 96.8 MB in the beginning and 174.0 MB in the end (delta: -77.2 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB.
[2020-04-17 22:42:36,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.75 ms. Allocated memory is still 237.0 MB. Free memory was 174.0 MB in the beginning and 171.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB.
[2020-04-17 22:42:36,358 INFO L168 Benchmark]: Boogie Preprocessor took 56.42 ms. Allocated memory is still 237.0 MB. Free memory was 171.0 MB in the beginning and 168.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB.
[2020-04-17 22:42:36,359 INFO L168 Benchmark]: RCFGBuilder took 689.25 ms. Allocated memory is still 237.0 MB. Free memory was 168.1 MB in the beginning and 130.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB.
[2020-04-17 22:42:36,360 INFO L168 Benchmark]: TraceAbstraction took 5507.05 ms. Allocated memory was 237.0 MB in the beginning and 282.6 MB in the end (delta: 45.6 MB). Free memory was 128.9 MB in the beginning and 161.3 MB in the end (delta: -32.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB.
[2020-04-17 22:42:36,364 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 1296.50 ms. Allocated memory was 138.4 MB in the beginning and 237.0 MB in the end (delta: 98.6 MB). Free memory was 96.8 MB in the beginning and 174.0 MB in the end (delta: -77.2 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 117.75 ms. Allocated memory is still 237.0 MB. Free memory was 174.0 MB in the beginning and 171.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 56.42 ms. Allocated memory is still 237.0 MB. Free memory was 171.0 MB in the beginning and 168.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 689.25 ms. Allocated memory is still 237.0 MB. Free memory was 168.1 MB in the beginning and 130.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 5507.05 ms. Allocated memory was 237.0 MB in the beginning and 282.6 MB in the end (delta: 45.6 MB). Free memory was 128.9 MB in the beginning and 161.3 MB in the end (delta: -32.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 4.5s, 83 ProgramPointsBefore, 17 ProgramPointsAfterwards, 85 TransitionsBefore, 15 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 7 FixpointIterations, 58 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 164 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 8 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 256 CheckedPairsTotal, 98 TotalNumberOfCompositions
- CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L1683] 0 pthread_t t1;
[L1684] 0 pthread_mutex_t mutex;
[L1685] 0 int pdev;
[L1694] 0 pdev = 1
[L1696] COND TRUE 0 __VERIFIER_nondet_int()
[L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0))
VAL [arg={0:0}, mutex={2:0}, pdev=1, t1={3:0}]
[L1698] 0 pdev = 2
VAL [arg={0:0}, mutex={2:0}, pdev=2, t1={3:0}]
[L1688] 1 pdev = 6
[L1690] 1 return 0;
[L1682] COND TRUE 0 !expression
[L1682] 0 __VERIFIER_error()
VAL [\result={0:0}, arg={0:0}, arg={0:0}, mutex={2:0}, pdev=6, t1={3:0}]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 80 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...