/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/concurrent/pthreads/forkForkSimple.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:52:54,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:52:54,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:52:54,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:52:54,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:52:54,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:52:54,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:52:54,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:52:54,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:52:54,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:52:54,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:52:54,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:52:54,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:52:54,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:52:54,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:52:54,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:52:54,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:52:54,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:52:54,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:52:54,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:52:54,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:52:54,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:52:54,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:52:54,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:52:54,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:52:54,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:52:54,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:52:54,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:52:54,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:52:54,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:52:54,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:52:54,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:52:54,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:52:54,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:52:54,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:52:54,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:52:54,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:52:54,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:52:54,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:52:54,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:52:54,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:52:54,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2019-12-17 10:52:54,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:52:54,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:52:54,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:52:54,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:52:54,688 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:52:54,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:52:54,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:52:54,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:52:54,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:52:54,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:52:54,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:52:54,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:52:54,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:52:54,692 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:52:54,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:52:54,692 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:52:54,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:52:54,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:52:54,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:52:54,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:52:54,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:52:54,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:52:54,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:52:54,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:52:54,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:52:54,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:52:54,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:52:54,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=FINITE_AUTOMATA [2019-12-17 10:52:54,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:52:54,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:52:54,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:52:54,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:52:54,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:52:54,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:52:54,990 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:52:54,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkForkSimple.c [2019-12-17 10:52:55,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/259abc209/8455d8cb0bf445b2be383b866f354af4/FLAG217fea037 [2019-12-17 10:52:55,506 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:52:55,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkForkSimple.c [2019-12-17 10:52:55,507 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:52:55,507 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:52:55,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/259abc209/8455d8cb0bf445b2be383b866f354af4/FLAG217fea037 [2019-12-17 10:52:55,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/259abc209/8455d8cb0bf445b2be383b866f354af4 [2019-12-17 10:52:55,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:52:55,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:52:55,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:52:55,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:52:55,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:52:55,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:52:55" (1/1) ... [2019-12-17 10:52:55,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680ee330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:55, skipping insertion in model container [2019-12-17 10:52:55,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:52:55" (1/1) ... [2019-12-17 10:52:55,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:52:55,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:52:56,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:52:56,134 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:52:56,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:52:56,167 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:52:56,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56 WrapperNode [2019-12-17 10:52:56,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:52:56,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:52:56,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:52:56,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:52:56,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (1/1) ... [2019-12-17 10:52:56,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (1/1) ... [2019-12-17 10:52:56,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:52:56,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:52:56,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:52:56,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:52:56,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (1/1) ... [2019-12-17 10:52:56,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (1/1) ... [2019-12-17 10:52:56,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (1/1) ... [2019-12-17 10:52:56,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (1/1) ... [2019-12-17 10:52:56,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (1/1) ... [2019-12-17 10:52:56,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (1/1) ... [2019-12-17 10:52:56,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (1/1) ... [2019-12-17 10:52:56,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:52:56,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:52:56,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:52:56,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:52:56,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (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 10:52:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:52:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2019-12-17 10:52:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2019-12-17 10:52:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-12-17 10:52:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-12-17 10:52:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:52:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:52:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:52:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:52:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:52:56,373 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 10:52:56,588 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:52:56,589 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:52:56,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:52:56 BoogieIcfgContainer [2019-12-17 10:52:56,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:52:56,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:52:56,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:52:56,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:52:56,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:52:55" (1/3) ... [2019-12-17 10:52:56,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c343551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:52:56, skipping insertion in model container [2019-12-17 10:52:56,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:52:56" (2/3) ... [2019-12-17 10:52:56,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c343551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:52:56, skipping insertion in model container [2019-12-17 10:52:56,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:52:56" (3/3) ... [2019-12-17 10:52:56,621 INFO L109 eAbstractionObserver]: Analyzing ICFG forkForkSimple.c [2019-12-17 10:52:56,646 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:52:56,650 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:52:56,660 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-17 10:52:56,661 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:52:56,689 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,689 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,689 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,689 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,690 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,690 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,691 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,691 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,691 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,691 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,692 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,692 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,693 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,693 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,694 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,694 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,694 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,694 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,695 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,695 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,696 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,696 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,696 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,696 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,700 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,700 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,701 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,701 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,708 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,708 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,708 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,709 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,709 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,709 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,709 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,709 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,713 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,714 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,714 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,714 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:52:56,751 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-17 10:52:56,772 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:52:56,772 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:52:56,773 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:52:56,773 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:52:56,773 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:52:56,773 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:52:56,773 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:52:56,773 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:52:56,786 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 39 transitions [2019-12-17 10:52:56,788 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 39 transitions [2019-12-17 10:52:56,816 INFO L130 PetriNetUnfolder]: 1/31 cut-off events. [2019-12-17 10:52:56,817 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:52:56,823 INFO L76 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 31 events. 1/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs. 12/42 useless extension candidates. Maximal degree in co-relation 37. Up to 3 conditions per place. [2019-12-17 10:52:56,828 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 39 transitions [2019-12-17 10:52:56,839 INFO L130 PetriNetUnfolder]: 1/31 cut-off events. [2019-12-17 10:52:56,840 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:52:56,841 INFO L76 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 31 events. 1/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs. 12/42 useless extension candidates. Maximal degree in co-relation 37. Up to 3 conditions per place. [2019-12-17 10:52:56,843 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 204 [2019-12-17 10:52:56,844 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:52:57,535 INFO L206 etLargeBlockEncoding]: Checked pairs total: 122 [2019-12-17 10:52:57,536 INFO L214 etLargeBlockEncoding]: Total number of compositions: 24 [2019-12-17 10:52:57,539 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 19 places, 15 transitions [2019-12-17 10:52:57,547 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 20 states. [2019-12-17 10:52:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-12-17 10:52:57,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:52:57,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:52:57 BasicIcfg [2019-12-17 10:52:57,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:52:57,561 INFO L168 Benchmark]: Toolchain (without parser) took 1671.44 ms. Allocated memory was 137.9 MB in the beginning and 233.8 MB in the end (delta: 95.9 MB). Free memory was 102.1 MB in the beginning and 204.3 MB in the end (delta: -102.2 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:52:57,562 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-17 10:52:57,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.58 ms. Allocated memory is still 137.9 MB. Free memory was 101.7 MB in the beginning and 92.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:52:57,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.20 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.0 MB in the beginning and 181.1 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:52:57,565 INFO L168 Benchmark]: Boogie Preprocessor took 27.36 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 179.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:52:57,566 INFO L168 Benchmark]: RCFGBuilder took 277.72 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 165.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:52:57,567 INFO L168 Benchmark]: TraceAbstraction took 959.12 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 204.3 MB in the end (delta: -38.8 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-12-17 10:52:57,572 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 278.58 ms. Allocated memory is still 137.9 MB. Free memory was 101.7 MB in the beginning and 92.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 117.20 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.0 MB in the beginning and 181.1 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.36 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 179.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 277.72 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 165.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 959.12 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 204.3 MB in the end (delta: -38.8 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 47 ProgramPointsBefore, 19 ProgramPointsAfterwards, 39 TransitionsBefore, 15 TransitionsAfterwards, 204 CoEnabledTransitionPairs, 4 FixpointIterations, 11 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 95 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 2 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 122 CheckedPairsTotal, 24 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 3 procedures, 33 locations, 0 error locations. Result: SAFE, OverallTime: 0.7s, 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=20occurred 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...