/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 00:29:44,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 00:29:44,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 00:29:44,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 00:29:44,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 00:29:44,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 00:29:44,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 00:29:44,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 00:29:44,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 00:29:44,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 00:29:44,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 00:29:44,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 00:29:44,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 00:29:44,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 00:29:44,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 00:29:44,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 00:29:44,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 00:29:44,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 00:29:44,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 00:29:44,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 00:29:44,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 00:29:44,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 00:29:44,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 00:29:44,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 00:29:44,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-15 00:29:44,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-15 00:29:44,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-15 00:29:44,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-15 00:29:44,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-15 00:29:44,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-15 00:29:44,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-15 00:29:44,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-15 00:29:44,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-15 00:29:44,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 00:29:44,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 00:29:44,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 00:29:44,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-15 00:29:44,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 00:29:44,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 00:29:44,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 00:29:44,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 00:29:44,492 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 00:29:44,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 00:29:44,492 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 00:29:44,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 00:29:44,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 00:29:44,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 00:29:44,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 00:29:44,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 00:29:44,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 00:29:44,495 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 00:29:44,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 00:29:44,495 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 00:29:44,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 00:29:44,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 00:29:44,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 00:29:44,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 00:29:44,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 00:29:44,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 00:29:44,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 00:29:44,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-15 00:29:44,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 00:29:44,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 00:29:44,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 00:29:44,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 00:29:44,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-15 00:29:44,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-15 00:29:45,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 00:29:45,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 00:29:45,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 00:29:45,062 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 00:29:45,063 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 00:29:45,064 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-09-15 00:29:45,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8e17d8b4/48a4f38bbf044f1497104e89b931302f/FLAG9c20d1b68 [2020-09-15 00:29:45,907 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 00:29:45,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-09-15 00:29:45,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8e17d8b4/48a4f38bbf044f1497104e89b931302f/FLAG9c20d1b68 [2020-09-15 00:29:46,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b8e17d8b4/48a4f38bbf044f1497104e89b931302f [2020-09-15 00:29:46,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 00:29:46,105 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 00:29:46,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 00:29:46,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 00:29:46,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 00:29:46,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:29:46" (1/1) ... [2020-09-15 00:29:46,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8617e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:46, skipping insertion in model container [2020-09-15 00:29:46,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:29:46" (1/1) ... [2020-09-15 00:29:46,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 00:29:46,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 00:29:46,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 00:29:46,960 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 00:29:47,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 00:29:47,452 INFO L208 MainTranslator]: Completed translation [2020-09-15 00:29:47,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47 WrapperNode [2020-09-15 00:29:47,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 00:29:47,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 00:29:47,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 00:29:47,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 00:29:47,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... [2020-09-15 00:29:47,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... [2020-09-15 00:29:47,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 00:29:47,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 00:29:47,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 00:29:47,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 00:29:47,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... [2020-09-15 00:29:47,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... [2020-09-15 00:29:47,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... [2020-09-15 00:29:47,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... [2020-09-15 00:29:47,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... [2020-09-15 00:29:47,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... [2020-09-15 00:29:47,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... [2020-09-15 00:29:47,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 00:29:47,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 00:29:47,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 00:29:47,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 00:29:47,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-15 00:29:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 00:29:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-15 00:29:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-15 00:29:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-15 00:29:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 00:29:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 00:29:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 00:29:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-15 00:29:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-15 00:29:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 00:29:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-15 00:29:47,669 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-15 00:29:48,208 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 00:29:48,208 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-09-15 00:29:48,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:29:48 BoogieIcfgContainer [2020-09-15 00:29:48,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 00:29:48,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 00:29:48,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 00:29:48,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 00:29:48,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 12:29:46" (1/3) ... [2020-09-15 00:29:48,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd84844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:29:48, skipping insertion in model container [2020-09-15 00:29:48,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:29:47" (2/3) ... [2020-09-15 00:29:48,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd84844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:29:48, skipping insertion in model container [2020-09-15 00:29:48,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:29:48" (3/3) ... [2020-09-15 00:29:48,223 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2020-09-15 00:29:48,235 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 00:29:48,235 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-15 00:29:48,246 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-09-15 00:29:48,247 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 00:29:48,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,277 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,277 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,278 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,278 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,278 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,283 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,283 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,283 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,284 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,284 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 00:29:48,318 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-15 00:29:48,344 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 00:29:48,345 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 00:29:48,345 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-15 00:29:48,345 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 00:29:48,345 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 00:29:48,345 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 00:29:48,346 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 00:29:48,346 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 00:29:48,365 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions, 178 flow [2020-09-15 00:29:48,367 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow [2020-09-15 00:29:48,422 INFO L129 PetriNetUnfolder]: 6/104 cut-off events. [2020-09-15 00:29:48,422 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-15 00:29:48,428 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-09-15 00:29:48,430 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow [2020-09-15 00:29:48,457 INFO L129 PetriNetUnfolder]: 6/104 cut-off events. [2020-09-15 00:29:48,457 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-15 00:29:48,458 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-09-15 00:29:48,460 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 308 [2020-09-15 00:29:48,464 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-15 00:29:50,987 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2020-09-15 00:29:51,202 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-15 00:29:51,346 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-09-15 00:29:51,351 INFO L206 etLargeBlockEncoding]: Checked pairs total: 244 [2020-09-15 00:29:51,351 INFO L214 etLargeBlockEncoding]: Total number of compositions: 101 [2020-09-15 00:29:51,356 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 15 transitions, 38 flow [2020-09-15 00:29:51,366 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 23 states. [2020-09-15 00:29:51,369 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-09-15 00:29:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-15 00:29:51,377 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:29:51,378 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-15 00:29:51,378 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:29:51,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:29:51,385 INFO L82 PathProgramCache]: Analyzing trace with hash 338, now seen corresponding path program 1 times [2020-09-15 00:29:51,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:29:51,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933588627] [2020-09-15 00:29:51,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:29:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 00:29:51,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 00:29:51,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933588627] [2020-09-15 00:29:51,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 00:29:51,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-15 00:29:51,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215859792] [2020-09-15 00:29:51,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-15 00:29:51,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 00:29:51,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-15 00:29:51,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-15 00:29:51,695 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-09-15 00:29:51,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 00:29:51,708 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2020-09-15 00:29:51,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-15 00:29:51,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-15 00:29:51,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 00:29:51,720 INFO L225 Difference]: With dead ends: 20 [2020-09-15 00:29:51,720 INFO L226 Difference]: Without dead ends: 13 [2020-09-15 00:29:51,721 INFO L675 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 [2020-09-15 00:29:51,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-09-15 00:29:51,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-09-15 00:29:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-09-15 00:29:51,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-09-15 00:29:51,756 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 1 [2020-09-15 00:29:51,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 00:29:51,756 INFO L479 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-09-15 00:29:51,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-15 00:29:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-09-15 00:29:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 00:29:51,757 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:29:51,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 00:29:51,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 00:29:51,758 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:29:51,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:29:51,758 INFO L82 PathProgramCache]: Analyzing trace with hash 341839, now seen corresponding path program 1 times [2020-09-15 00:29:51,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:29:51,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60801632] [2020-09-15 00:29:51,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:29:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 00:29:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 00:29:51,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60801632] [2020-09-15 00:29:51,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 00:29:51,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 00:29:51,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211588453] [2020-09-15 00:29:51,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 00:29:51,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 00:29:51,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 00:29:51,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 00:29:51,923 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2020-09-15 00:29:51,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 00:29:51,941 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-09-15 00:29:51,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 00:29:51,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 00:29:51,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 00:29:51,943 INFO L225 Difference]: With dead ends: 11 [2020-09-15 00:29:51,943 INFO L226 Difference]: Without dead ends: 10 [2020-09-15 00:29:51,944 INFO L675 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 [2020-09-15 00:29:51,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-09-15 00:29:51,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-09-15 00:29:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-09-15 00:29:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-09-15 00:29:51,947 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 3 [2020-09-15 00:29:51,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 00:29:51,947 INFO L479 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-09-15 00:29:51,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 00:29:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-09-15 00:29:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-15 00:29:51,948 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:29:51,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-15 00:29:51,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-15 00:29:51,949 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:29:51,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:29:51,949 INFO L82 PathProgramCache]: Analyzing trace with hash 327959232, now seen corresponding path program 1 times [2020-09-15 00:29:51,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:29:51,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131414801] [2020-09-15 00:29:51,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:29:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 00:29:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 00:29:52,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131414801] [2020-09-15 00:29:52,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 00:29:52,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 00:29:52,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035177180] [2020-09-15 00:29:52,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 00:29:52,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 00:29:52,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 00:29:52,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 00:29:52,085 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 3 states. [2020-09-15 00:29:52,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 00:29:52,096 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2020-09-15 00:29:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 00:29:52,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-09-15 00:29:52,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 00:29:52,097 INFO L225 Difference]: With dead ends: 10 [2020-09-15 00:29:52,097 INFO L226 Difference]: Without dead ends: 7 [2020-09-15 00:29:52,098 INFO L675 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 [2020-09-15 00:29:52,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-09-15 00:29:52,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-09-15 00:29:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-09-15 00:29:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2020-09-15 00:29:52,100 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 5 [2020-09-15 00:29:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 00:29:52,101 INFO L479 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2020-09-15 00:29:52,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 00:29:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-09-15 00:29:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-15 00:29:52,101 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 00:29:52,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-15 00:29:52,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-15 00:29:52,102 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 00:29:52,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 00:29:52,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1576801757, now seen corresponding path program 1 times [2020-09-15 00:29:52,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 00:29:52,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11122823] [2020-09-15 00:29:52,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 00:29:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 00:29:52,155 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 00:29:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 00:29:52,183 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 00:29:52,223 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 00:29:52,223 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 00:29:52,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-15 00:29:52,224 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 00:29:52,230 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [314] [314] ULTIMATE.startENTRY-->L1696: Formula: (let ((.cse2 (store |#valid_In-188491649| 0 0))) (let ((.cse0 (store .cse2 |~#t1~0.base_Out-188491649| 1)) (.cse1 (select |#memory_int_In-188491649| |~#mutex~0.base_Out-188491649|))) (and (= |#NULL.base_Out-188491649| 0) (= (select .cse0 |~#mutex~0.base_Out-188491649|) 0) (= (select .cse1 (+ |~#mutex~0.offset_Out-188491649| 8)) 0) (= ~pdev~0_Out-188491649 1) (= 0 |#NULL.offset_Out-188491649|) (= (select .cse1 (+ |~#mutex~0.offset_Out-188491649| 12)) 0) (= |~#mutex~0.offset_Out-188491649| 0) (= |#length_Out-188491649| (store (store |#length_In-188491649| |~#t1~0.base_Out-188491649| 4) |~#mutex~0.base_Out-188491649| 24)) (= (select .cse1 |~#mutex~0.offset_Out-188491649|) 0) (= |ULTIMATE.start_ldv_assert_#in~expression_Out-188491649| 1) (= (store |#pthreadsMutex_In-188491649| |~#mutex~0.base_Out-188491649| (store (select |#pthreadsMutex_In-188491649| |~#mutex~0.base_Out-188491649|) |~#mutex~0.offset_Out-188491649| 0)) |#pthreadsMutex_Out-188491649|) (<= |ULTIMATE.start_module_init_#t~nondet31_Out-188491649| 2147483647) (= (select .cse1 (+ |~#mutex~0.offset_Out-188491649| 16)) 0) (= |~#t1~0.offset_Out-188491649| 0) (< 0 |#StackHeapBarrier_In-188491649|) (= |#valid_Out-188491649| (store .cse0 |~#mutex~0.base_Out-188491649| 1)) (= (select (select |#memory_int_In-188491649| |~#t1~0.base_Out-188491649|) |~#t1~0.offset_Out-188491649|) 0) (< |#StackHeapBarrier_In-188491649| |~#t1~0.base_Out-188491649|) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet31_Out-188491649| 2147483648)) (= (select .cse2 |~#t1~0.base_Out-188491649|) 0) (< |#StackHeapBarrier_In-188491649| |~#mutex~0.base_Out-188491649|) (= ULTIMATE.start_ldv_assert_~expression_Out-188491649 |ULTIMATE.start_ldv_assert_#in~expression_Out-188491649|) (= 0 (select .cse1 (+ |~#mutex~0.offset_Out-188491649| 4)))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-188491649|, #StackHeapBarrier=|#StackHeapBarrier_In-188491649|, #valid=|#valid_In-188491649|, #memory_int=|#memory_int_In-188491649|, #length=|#length_In-188491649|} OutVars{ULTIMATE.start_module_init_#res=|ULTIMATE.start_module_init_#res_Out-188491649|, #pthreadsMutex=|#pthreadsMutex_Out-188491649|, ~#mutex~0.base=|~#mutex~0.base_Out-188491649|, ~#mutex~0.offset=|~#mutex~0.offset_Out-188491649|, #NULL.offset=|#NULL.offset_Out-188491649|, ULTIMATE.start_module_init_#t~nondet31=|ULTIMATE.start_module_init_#t~nondet31_Out-188491649|, ~#t1~0.offset=|~#t1~0.offset_Out-188491649|, ULTIMATE.start_module_init_#t~nondet32=|ULTIMATE.start_module_init_#t~nondet32_Out-188491649|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out-188491649|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-188491649, #NULL.base=|#NULL.base_Out-188491649|, #StackHeapBarrier=|#StackHeapBarrier_In-188491649|, ~#t1~0.base=|~#t1~0.base_Out-188491649|, ULTIMATE.start_main_#t~ret35=|ULTIMATE.start_main_#t~ret35_Out-188491649|, ~pdev~0=~pdev~0_Out-188491649, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out-188491649|, #valid=|#valid_Out-188491649|, #memory_int=|#memory_int_In-188491649|, #length=|#length_Out-188491649|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ULTIMATE.start_module_init_#t~nondet31, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ~#t1~0.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_main_#res, #valid, #length] because there is no mapped edge [2020-09-15 00:29:52,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:29:52 BasicIcfg [2020-09-15 00:29:52,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-15 00:29:52,260 INFO L168 Benchmark]: Toolchain (without parser) took 6157.26 ms. Allocated memory was 148.9 MB in the beginning and 293.1 MB in the end (delta: 144.2 MB). Free memory was 101.9 MB in the beginning and 134.1 MB in the end (delta: -32.2 MB). Peak memory consumption was 112.0 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:52,261 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 148.9 MB. Free memory was 123.5 MB in the beginning and 123.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-15 00:29:52,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1347.17 ms. Allocated memory was 148.9 MB in the beginning and 240.1 MB in the end (delta: 91.2 MB). Free memory was 101.2 MB in the beginning and 173.2 MB in the end (delta: -71.9 MB). Peak memory consumption was 70.1 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:52,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.96 ms. Allocated memory is still 240.1 MB. Free memory was 173.2 MB in the beginning and 170.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:52,263 INFO L168 Benchmark]: Boogie Preprocessor took 50.47 ms. Allocated memory is still 240.1 MB. Free memory was 170.2 MB in the beginning and 168.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:52,264 INFO L168 Benchmark]: RCFGBuilder took 629.97 ms. Allocated memory is still 240.1 MB. Free memory was 167.3 MB in the beginning and 130.0 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:52,265 INFO L168 Benchmark]: TraceAbstraction took 4042.25 ms. Allocated memory was 240.1 MB in the beginning and 293.1 MB in the end (delta: 53.0 MB). Free memory was 128.6 MB in the beginning and 134.1 MB in the end (delta: -5.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2020-09-15 00:29:52,270 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 148.9 MB. Free memory was 123.5 MB in the beginning and 123.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1347.17 ms. Allocated memory was 148.9 MB in the beginning and 240.1 MB in the end (delta: 91.2 MB). Free memory was 101.2 MB in the beginning and 173.2 MB in the end (delta: -71.9 MB). Peak memory consumption was 70.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 78.96 ms. Allocated memory is still 240.1 MB. Free memory was 173.2 MB in the beginning and 170.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.47 ms. Allocated memory is still 240.1 MB. Free memory was 170.2 MB in the beginning and 168.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 629.97 ms. Allocated memory is still 240.1 MB. Free memory was 167.3 MB in the beginning and 130.0 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4042.25 ms. Allocated memory was 240.1 MB in the beginning and 293.1 MB in the end (delta: 53.0 MB). Free memory was 128.6 MB in the beginning and 134.1 MB in the end (delta: -5.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.9s, 83 ProgramPointsBefore, 17 ProgramPointsAfterwards, 85 TransitionsBefore, 15 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 8 FixpointIterations, 65 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 156 VarBasedMoverChecksPositive, 7 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 244 CheckedPairsTotal, 101 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1696] COND TRUE 0 __VERIFIER_nondet_int() [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={5:0}, pdev=1, t1={3:0}] [L1698] 0 return 0; [L1715] COND FALSE 0 !(module_init()!=0) [L1706] 0 void *status; [L1707] 0 pdev = 4 VAL [arg={0:0}, mutex={5:0}, pdev=4, 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={5:0}, 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: 3.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 25 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...