/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-VariableLbe.epf -i ../../../trunk/examples/concurrent/pthreads/ForkedModifiesGlobal.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:56:00,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:56:00,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:56:00,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:56:00,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:56:00,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:56:00,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:56:00,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:56:00,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:56:00,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:56:00,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:56:00,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:56:00,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:56:00,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:56:00,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:56:00,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:56:00,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:56:00,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:56:00,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:56:00,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:56:00,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:56:00,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:56:00,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:56:00,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:56:00,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:56:00,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:56:00,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:56:00,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:56:00,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:56:00,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:56:00,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:56:00,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:56:00,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:56:00,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:56:00,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:56:00,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:56:00,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:56:00,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:56:00,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:56:00,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:56:00,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:56:00,640 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-VariableLbe.epf [2019-12-17 10:56:00,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:56:00,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:56:00,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:56:00,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:56:00,663 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:56:00,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:56:00,664 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:56:00,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:56:00,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:56:00,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:56:00,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:56:00,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:56:00,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:56:00,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:56:00,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:56:00,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:56:00,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:56:00,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:56:00,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:56:00,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:56:00,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:56:00,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:56:00,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:56:00,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:56:00,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:56:00,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:56:00,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:56:00,669 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-17 10:56:00,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=FINITE_AUTOMATA [2019-12-17 10:56:00,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:56:00,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:56:00,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:56:00,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:56:00,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:56:00,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:56:00,970 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:56:00,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/ForkedModifiesGlobal.c [2019-12-17 10:56:01,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175eafa1d/d74fdafeb4024893a9f8acf061b918c9/FLAG5cea9c42e [2019-12-17 10:56:01,521 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:56:01,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/ForkedModifiesGlobal.c [2019-12-17 10:56:01,522 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:56:01,522 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:56:01,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175eafa1d/d74fdafeb4024893a9f8acf061b918c9/FLAG5cea9c42e [2019-12-17 10:56:01,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175eafa1d/d74fdafeb4024893a9f8acf061b918c9 [2019-12-17 10:56:01,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:56:01,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:56:01,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:56:01,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:56:01,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:56:01,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:56:01" (1/1) ... [2019-12-17 10:56:01,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e35936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:01, skipping insertion in model container [2019-12-17 10:56:01,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:56:01" (1/1) ... [2019-12-17 10:56:01,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:56:01,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:56:02,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:56:02,052 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:56:02,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:56:02,085 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:56:02,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02 WrapperNode [2019-12-17 10:56:02,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:56:02,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:56:02,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:56:02,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:56:02,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (1/1) ... [2019-12-17 10:56:02,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (1/1) ... [2019-12-17 10:56:02,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:56:02,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:56:02,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:56:02,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:56:02,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (1/1) ... [2019-12-17 10:56:02,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (1/1) ... [2019-12-17 10:56:02,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (1/1) ... [2019-12-17 10:56:02,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (1/1) ... [2019-12-17 10:56:02,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (1/1) ... [2019-12-17 10:56:02,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (1/1) ... [2019-12-17 10:56:02,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (1/1) ... [2019-12-17 10:56:02,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:56:02,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:56:02,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:56:02,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:56:02,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (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 10:56:02,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:56:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:56:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:56:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:56:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2019-12-17 10:56:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2019-12-17 10:56:02,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:56:02,290 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 10:56:02,514 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:56:02,514 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:56:02,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:56:02 BoogieIcfgContainer [2019-12-17 10:56:02,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:56:02,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:56:02,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:56:02,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:56:02,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:56:01" (1/3) ... [2019-12-17 10:56:02,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15177b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:56:02, skipping insertion in model container [2019-12-17 10:56:02,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:02" (2/3) ... [2019-12-17 10:56:02,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15177b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:56:02, skipping insertion in model container [2019-12-17 10:56:02,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:56:02" (3/3) ... [2019-12-17 10:56:02,536 INFO L109 eAbstractionObserver]: Analyzing ICFG ForkedModifiesGlobal.c [2019-12-17 10:56:02,558 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:56:02,562 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:56:02,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-17 10:56:02,573 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:56:02,602 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,602 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,602 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,603 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,603 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,604 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,614 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,614 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,614 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,615 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,615 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:02,642 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-17 10:56:02,659 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:56:02,659 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:56:02,659 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:56:02,660 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:56:02,660 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:56:02,660 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:56:02,660 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:56:02,660 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:56:02,675 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 24 transitions [2019-12-17 10:56:02,677 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 28 places, 24 transitions [2019-12-17 10:56:02,700 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2019-12-17 10:56:02,700 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:02,705 INFO L76 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs. 3/26 useless extension candidates. Maximal degree in co-relation 13. Up to 1 conditions per place. [2019-12-17 10:56:02,707 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 28 places, 24 transitions [2019-12-17 10:56:02,716 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2019-12-17 10:56:02,716 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:02,717 INFO L76 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs. 3/26 useless extension candidates. Maximal degree in co-relation 13. Up to 1 conditions per place. [2019-12-17 10:56:02,723 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 80 [2019-12-17 10:56:02,724 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-17 10:56:03,385 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-12-17 10:56:03,430 INFO L206 etLargeBlockEncoding]: Checked pairs total: 48 [2019-12-17 10:56:03,431 INFO L214 etLargeBlockEncoding]: Total number of compositions: 19 [2019-12-17 10:56:03,435 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 7 places, 5 transitions [2019-12-17 10:56:03,441 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6 states. [2019-12-17 10:56:03,444 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-12-17 10:56:03,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:56:03,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:56:03 BasicIcfg [2019-12-17 10:56:03,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:56:03,456 INFO L168 Benchmark]: Toolchain (without parser) took 1595.44 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.8 MB in the beginning and 94.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:03,457 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 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 10:56:03,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.14 ms. Allocated memory is still 145.8 MB. Free memory was 102.6 MB in the beginning and 92.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:03,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.75 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 92.9 MB in the beginning and 182.6 MB in the end (delta: -89.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:03,461 INFO L168 Benchmark]: Boogie Preprocessor took 19.41 ms. Allocated memory is still 203.9 MB. Free memory was 182.6 MB in the beginning and 181.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:03,462 INFO L168 Benchmark]: RCFGBuilder took 289.40 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 168.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:03,463 INFO L168 Benchmark]: TraceAbstraction took 936.44 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 94.7 MB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:03,468 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 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 224.14 ms. Allocated memory is still 145.8 MB. Free memory was 102.6 MB in the beginning and 92.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 120.75 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 92.9 MB in the beginning and 182.6 MB in the end (delta: -89.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.41 ms. Allocated memory is still 203.9 MB. Free memory was 182.6 MB in the beginning and 181.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.40 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 168.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 936.44 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 94.7 MB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 28 ProgramPointsBefore, 7 ProgramPointsAfterwards, 24 TransitionsBefore, 5 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 39 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 48 CheckedPairsTotal, 19 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, 25 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=6occurred 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...