/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/pthreadJoinCorrectThreadId.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:49:59,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:49:59,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:49:59,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:49:59,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:49:59,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:49:59,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:49:59,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:49:59,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:49:59,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:49:59,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:49:59,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:49:59,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:49:59,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:49:59,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:49:59,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:49:59,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:49:59,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:49:59,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:49:59,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:49:59,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:49:59,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:49:59,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:49:59,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:49:59,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:49:59,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:49:59,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:49:59,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:49:59,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:49:59,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:49:59,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:49:59,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:49:59,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:49:59,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:49:59,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:49:59,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:49:59,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:49:59,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:49:59,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:49:59,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:49:59,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:49:59,383 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 10:49:59,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:49:59,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:49:59,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:49:59,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:49:59,406 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:49:59,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:49:59,407 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:49:59,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:49:59,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:49:59,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:49:59,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:49:59,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:49:59,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:49:59,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:49:59,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:49:59,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:49:59,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:49:59,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:49:59,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:49:59,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:49:59,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:49:59,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:49:59,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:49:59,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:49:59,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:49:59,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:49:59,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:49:59,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:49:59,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-17 10:49:59,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:49:59,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:49:59,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:49:59,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:49:59,705 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:49:59,705 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:49:59,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/pthreadJoinCorrectThreadId.c [2019-12-17 10:49:59,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376d73a0f/8ee3d05ea20441d19ee30ffcfd054791/FLAGe6f990e47 [2019-12-17 10:50:00,205 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:50:00,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/pthreadJoinCorrectThreadId.c [2019-12-17 10:50:00,206 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:50:00,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376d73a0f/8ee3d05ea20441d19ee30ffcfd054791/FLAGe6f990e47 [2019-12-17 10:50:00,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376d73a0f/8ee3d05ea20441d19ee30ffcfd054791 [2019-12-17 10:50:00,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:50:00,652 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:50:00,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:50:00,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:50:00,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:50:00,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d249c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00, skipping insertion in model container [2019-12-17 10:50:00,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:50:00,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:50:00,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:50:00,974 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:50:00,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:50:01,003 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:50:01,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01 WrapperNode [2019-12-17 10:50:01,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:50:01,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:50:01,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:50:01,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:50:01,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (1/1) ... [2019-12-17 10:50:01,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (1/1) ... [2019-12-17 10:50:01,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:50:01,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:50:01,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:50:01,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:50:01,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (1/1) ... [2019-12-17 10:50:01,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (1/1) ... [2019-12-17 10:50:01,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (1/1) ... [2019-12-17 10:50:01,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (1/1) ... [2019-12-17 10:50:01,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (1/1) ... [2019-12-17 10:50:01,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (1/1) ... [2019-12-17 10:50:01,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (1/1) ... [2019-12-17 10:50:01,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:50:01,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:50:01,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:50:01,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:50:01,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (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 10:50:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:50:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2019-12-17 10:50:01,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2019-12-17 10:50:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-17 10:50:01,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-17 10:50:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:50:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:50:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:50:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:50:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:50:01,125 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 10:50:01,398 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:50:01,399 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:50:01,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:50:01 BoogieIcfgContainer [2019-12-17 10:50:01,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:50:01,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:50:01,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:50:01,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:50:01,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:50:00" (1/3) ... [2019-12-17 10:50:01,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248596b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:50:01, skipping insertion in model container [2019-12-17 10:50:01,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:01" (2/3) ... [2019-12-17 10:50:01,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248596b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:50:01, skipping insertion in model container [2019-12-17 10:50:01,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:50:01" (3/3) ... [2019-12-17 10:50:01,421 INFO L109 eAbstractionObserver]: Analyzing ICFG pthreadJoinCorrectThreadId.c [2019-12-17 10:50:01,446 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:50:01,447 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:50:01,458 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-17 10:50:01,459 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:50:01,494 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,494 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,494 WARN L315 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,494 WARN L315 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,499 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,499 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,500 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,500 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,500 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,501 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,501 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,501 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,503 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,503 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,503 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,506 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,506 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,506 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,507 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,508 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,508 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,508 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,508 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,509 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,512 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,513 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,513 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,513 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,519 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,520 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,520 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,520 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,520 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,521 WARN L315 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,521 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,521 WARN L315 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,526 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,526 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,526 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,526 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:01,577 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-17 10:50:01,601 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:50:01,602 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:50:01,602 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:50:01,602 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:50:01,602 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:50:01,603 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:50:01,603 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:50:01,603 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:50:01,620 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 50 transitions [2019-12-17 10:50:01,622 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 55 places, 50 transitions [2019-12-17 10:50:01,661 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2019-12-17 10:50:01,661 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:50:01,669 INFO L76 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 20 events. 0/20 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs. 14/34 useless extension candidates. Maximal degree in co-relation 24. Up to 1 conditions per place. [2019-12-17 10:50:01,671 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 55 places, 50 transitions [2019-12-17 10:50:01,680 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2019-12-17 10:50:01,680 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:50:01,682 INFO L76 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 20 events. 0/20 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs. 14/34 useless extension candidates. Maximal degree in co-relation 24. Up to 1 conditions per place. [2019-12-17 10:50:01,683 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 48 [2019-12-17 10:50:01,686 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:50:02,385 INFO L206 etLargeBlockEncoding]: Checked pairs total: 23 [2019-12-17 10:50:02,385 INFO L214 etLargeBlockEncoding]: Total number of compositions: 31 [2019-12-17 10:50:02,389 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions [2019-12-17 10:50:02,398 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 14 states. [2019-12-17 10:50:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-12-17 10:50:02,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:50:02,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:50:02 BasicIcfg [2019-12-17 10:50:02,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:50:02,417 INFO L168 Benchmark]: Toolchain (without parser) took 1762.68 ms. Allocated memory was 138.9 MB in the beginning and 235.9 MB in the end (delta: 97.0 MB). Free memory was 100.8 MB in the beginning and 194.5 MB in the end (delta: -93.7 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,418 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.86 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.4 MB in the beginning and 181.9 MB in the end (delta: -81.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.95 ms. Allocated memory is still 204.5 MB. Free memory was 181.9 MB in the beginning and 180.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,424 INFO L168 Benchmark]: Boogie Preprocessor took 23.04 ms. Allocated memory is still 204.5 MB. Free memory was 180.6 MB in the beginning and 179.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,425 INFO L168 Benchmark]: RCFGBuilder took 341.47 ms. Allocated memory is still 204.5 MB. Free memory was 179.3 MB in the beginning and 164.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,427 INFO L168 Benchmark]: TraceAbstraction took 1005.78 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 164.3 MB in the beginning and 194.5 MB in the end (delta: -30.2 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,443 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 350.86 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.4 MB in the beginning and 181.9 MB in the end (delta: -81.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 30.95 ms. Allocated memory is still 204.5 MB. Free memory was 181.9 MB in the beginning and 180.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.04 ms. Allocated memory is still 204.5 MB. Free memory was 180.6 MB in the beginning and 179.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 341.47 ms. Allocated memory is still 204.5 MB. Free memory was 179.3 MB in the beginning and 164.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1005.78 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 164.3 MB in the beginning and 194.5 MB in the end (delta: -30.2 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 55 ProgramPointsBefore, 24 ProgramPointsAfterwards, 50 TransitionsBefore, 21 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 5 FixpointIterations, 22 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 19 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 23 CheckedPairsTotal, 31 TotalNumberOfCompositions - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 40 locations, 1 error locations. Result: SAFE, OverallTime: 0.8s, 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=14occurred 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...