/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/concurrent/pthreads/pthreadReturn.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:50:04,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:50:04,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:50:04,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:50:04,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:50:04,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:50:04,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:50:04,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:50:04,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:50:04,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:50:04,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:50:04,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:50:04,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:50:04,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:50:04,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:50:04,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:50:04,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:50:04,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:50:04,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:50:04,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:50:04,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:50:04,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:50:04,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:50:04,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:50:04,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:50:04,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:50:04,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:50:04,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:50:04,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:50:04,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:50:04,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:50:04,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:50:04,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:50:04,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:50:04,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:50:04,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:50:04,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:50:04,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:50:04,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:50:04,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:50:04,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:50:04,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-17 10:50:04,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:50:04,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:50:04,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:50:04,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:50:04,344 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:50:04,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:50:04,344 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:50:04,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:50:04,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:50:04,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:50:04,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:50:04,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:50:04,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:50:04,345 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:50:04,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:50:04,346 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:50:04,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:50:04,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:50:04,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:50:04,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:50:04,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:50:04,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:50:04,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:50:04,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:50:04,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:50:04,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:50:04,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:50:04,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:50:04,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-17 10:50:04,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:50:04,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:50:04,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:50:04,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:50:04,670 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:50:04,671 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:50:04,672 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/pthreadReturn.c [2019-12-17 10:50:04,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e764c74/9ede4b1c05824872a7dc8254a62763e2/FLAG50230e5fd [2019-12-17 10:50:05,161 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:50:05,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/pthreadReturn.c [2019-12-17 10:50:05,162 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:50:05,162 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:50:05,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e764c74/9ede4b1c05824872a7dc8254a62763e2/FLAG50230e5fd [2019-12-17 10:50:05,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e764c74/9ede4b1c05824872a7dc8254a62763e2 [2019-12-17 10:50:05,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:50:05,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:50:05,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:50:05,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:50:05,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:50:05,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67bd5ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05, skipping insertion in model container [2019-12-17 10:50:05,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:50:05,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:50:05,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:50:05,761 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:50:05,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:50:05,795 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:50:05,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05 WrapperNode [2019-12-17 10:50:05,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:50:05,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:50:05,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:50:05,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:50:05,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:50:05,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:50:05,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:50:05,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:50:05,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (1/1) ... [2019-12-17 10:50:05,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:50:05,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:50:05,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:50:05,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:50:05,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (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 [2019-12-17 10:50:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-17 10:50:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:50:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:50:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:50:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:50:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-17 10:50:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-17 10:50:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:50:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2019-12-17 10:50:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2019-12-17 10:50:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:50:06,040 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-17 10:50:06,383 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:50:06,383 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:50:06,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:50:06 BoogieIcfgContainer [2019-12-17 10:50:06,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:50:06,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:50:06,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:50:06,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:50:06,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:50:05" (1/3) ... [2019-12-17 10:50:06,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:50:06, skipping insertion in model container [2019-12-17 10:50:06,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:05" (2/3) ... [2019-12-17 10:50:06,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:50:06, skipping insertion in model container [2019-12-17 10:50:06,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:50:06" (3/3) ... [2019-12-17 10:50:06,393 INFO L109 eAbstractionObserver]: Analyzing ICFG pthreadReturn.c [2019-12-17 10:50:06,403 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:50:06,403 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:50:06,410 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-17 10:50:06,411 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:50:06,435 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:06,435 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:06,438 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:06,438 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:06,460 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-17 10:50:06,477 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:50:06,477 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:50:06,477 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:50:06,477 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:50:06,477 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:50:06,477 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:50:06,478 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:50:06,478 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:50:06,490 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 43 transitions [2019-12-17 10:50:06,492 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 43 transitions [2019-12-17 10:50:06,525 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2019-12-17 10:50:06,525 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:50:06,529 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs. 6/48 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2019-12-17 10:50:06,531 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 43 transitions [2019-12-17 10:50:06,542 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2019-12-17 10:50:06,542 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:50:06,543 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs. 6/48 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2019-12-17 10:50:06,544 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8 [2019-12-17 10:50:06,545 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:50:07,660 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-12-17 10:50:07,788 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-12-17 10:50:07,950 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-12-17 10:50:08,127 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-12-17 10:50:08,598 WARN L192 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-12-17 10:50:08,743 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-12-17 10:50:08,745 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4 [2019-12-17 10:50:08,745 INFO L214 etLargeBlockEncoding]: Total number of compositions: 36 [2019-12-17 10:50:08,749 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 10 places, 7 transitions [2019-12-17 10:50:08,755 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8 states. [2019-12-17 10:50:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-12-17 10:50:08,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:50:08,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:50:08 BasicIcfg [2019-12-17 10:50:08,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:50:08,770 INFO L168 Benchmark]: Toolchain (without parser) took 3234.24 ms. Allocated memory was 146.3 MB in the beginning and 244.3 MB in the end (delta: 98.0 MB). Free memory was 102.4 MB in the beginning and 179.1 MB in the end (delta: -76.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:08,771 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 146.3 MB. Free memory is still 120.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-17 10:50:08,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.04 ms. Allocated memory is still 146.3 MB. Free memory was 102.0 MB in the beginning and 92.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:08,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.36 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 92.2 MB in the beginning and 182.0 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:08,774 INFO L168 Benchmark]: Boogie Preprocessor took 44.70 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 180.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:08,775 INFO L168 Benchmark]: RCFGBuilder took 411.36 ms. Allocated memory is still 203.9 MB. Free memory was 180.7 MB in the beginning and 163.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:08,775 INFO L168 Benchmark]: TraceAbstraction took 2382.02 ms. Allocated memory was 203.9 MB in the beginning and 244.3 MB in the end (delta: 40.4 MB). Free memory was 163.4 MB in the beginning and 179.1 MB in the end (delta: -15.7 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:08,780 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 146.3 MB. Free memory is still 120.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.04 ms. Allocated memory is still 146.3 MB. Free memory was 102.0 MB in the beginning and 92.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 131.36 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 92.2 MB in the beginning and 182.0 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.70 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 180.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 411.36 ms. Allocated memory is still 203.9 MB. Free memory was 180.7 MB in the beginning and 163.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2382.02 ms. Allocated memory was 203.9 MB in the beginning and 244.3 MB in the end (delta: 40.4 MB). Free memory was 163.4 MB in the beginning and 179.1 MB in the end (delta: -15.7 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 47 ProgramPointsBefore, 10 ProgramPointsAfterwards, 43 TransitionsBefore, 7 TransitionsAfterwards, 8 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4 CheckedPairsTotal, 36 TotalNumberOfCompositions - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 0 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...