/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-NoLbe.epf -i ../../../trunk/examples/concurrent/pthreads/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:59:08,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:59:08,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:59:08,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:59:08,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:59:08,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:59:08,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:59:08,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:59:08,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:59:08,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:59:08,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:59:08,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:59:08,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:59:08,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:59:08,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:59:08,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:59:08,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:59:08,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:59:08,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:59:08,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:59:08,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:59:08,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:59:08,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:59:08,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:59:08,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:59:08,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:59:08,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:59:08,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:59:08,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:59:08,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:59:08,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:59:08,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:59:08,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:59:08,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:59:08,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:59:08,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:59:08,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:59:08,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:59:08,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:59:08,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:59:08,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:59:08,605 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-NoLbe.epf [2019-12-17 10:59:08,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:59:08,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:59:08,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:59:08,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:59:08,621 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:59:08,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:59:08,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:59:08,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:59:08,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:59:08,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:59:08,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:59:08,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:59:08,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:59:08,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:59:08,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:59:08,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:59:08,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:59:08,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:59:08,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:59:08,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:59:08,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:59:08,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:59:08,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:59:08,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:59:08,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:59:08,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:59:08,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:59:08,626 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-17 10:59:08,626 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=FINITE_AUTOMATA [2019-12-17 10:59:08,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:59:08,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:59:08,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:59:08,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:59:08,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:59:08,918 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:59:08,919 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:59:08,921 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/ex1.c [2019-12-17 10:59:08,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b4f65ed/dbd47cc845a941d587e2a36d1f92f022/FLAG4e011b291 [2019-12-17 10:59:09,455 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:59:09,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/ex1.c [2019-12-17 10:59:09,456 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:59:09,456 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:59:09,456 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:59:09,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b4f65ed/dbd47cc845a941d587e2a36d1f92f022/FLAG4e011b291 [2019-12-17 10:59:09,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b4f65ed/dbd47cc845a941d587e2a36d1f92f022 [2019-12-17 10:59:09,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:59:09,903 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:59:09,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:59:09,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:59:09,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:59:09,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:59:09" (1/1) ... [2019-12-17 10:59:09,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0a0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:09, skipping insertion in model container [2019-12-17 10:59:09,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:59:09" (1/1) ... [2019-12-17 10:59:09,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:59:09,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:59:10,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:59:10,135 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:59:10,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:59:10,161 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:59:10,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10 WrapperNode [2019-12-17 10:59:10,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:59:10,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:59:10,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:59:10,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:59:10,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (1/1) ... [2019-12-17 10:59:10,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (1/1) ... [2019-12-17 10:59:10,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:59:10,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:59:10,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:59:10,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:59:10,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (1/1) ... [2019-12-17 10:59:10,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (1/1) ... [2019-12-17 10:59:10,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (1/1) ... [2019-12-17 10:59:10,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (1/1) ... [2019-12-17 10:59:10,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (1/1) ... [2019-12-17 10:59:10,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (1/1) ... [2019-12-17 10:59:10,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (1/1) ... [2019-12-17 10:59:10,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:59:10,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:59:10,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:59:10,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:59:10,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (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 10:59:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:59:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2019-12-17 10:59:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2019-12-17 10:59:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:59:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:59:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:59:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-17 10:59:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:59:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:59:10,357 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 10:59:10,594 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:59:10,594 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:59:10,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:59:10 BoogieIcfgContainer [2019-12-17 10:59:10,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:59:10,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:59:10,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:59:10,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:59:10,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:59:09" (1/3) ... [2019-12-17 10:59:10,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c08881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:59:10, skipping insertion in model container [2019-12-17 10:59:10,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:10" (2/3) ... [2019-12-17 10:59:10,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c08881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:59:10, skipping insertion in model container [2019-12-17 10:59:10,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:59:10" (3/3) ... [2019-12-17 10:59:10,616 INFO L109 eAbstractionObserver]: Analyzing ICFG ex1.c [2019-12-17 10:59:10,638 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:59:10,638 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:59:10,645 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-17 10:59:10,646 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:59:10,677 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,677 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,678 WARN L315 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,678 WARN L315 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,678 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,678 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,682 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,682 WARN L315 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,683 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,683 WARN L315 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:10,703 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-17 10:59:10,723 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:59:10,723 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:59:10,723 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:59:10,723 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:59:10,723 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:59:10,723 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:59:10,723 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:59:10,723 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:59:10,731 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 25 transitions [2019-12-17 10:59:10,741 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31 states. [2019-12-17 10:59:10,744 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-12-17 10:59:10,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:59:10,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:59:10 BasicIcfg [2019-12-17 10:59:10,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:59:10,757 INFO L168 Benchmark]: Toolchain (without parser) took 853.74 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 153.9 MB in the end (delta: -53.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:10,758 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-17 10:59:10,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.39 ms. Allocated memory is still 136.3 MB. Free memory was 99.8 MB in the beginning and 90.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:10,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.34 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 90.2 MB in the beginning and 177.8 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:10,761 INFO L168 Benchmark]: Boogie Preprocessor took 19.60 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 177.1 MB in the end (delta: 683.1 kB). Peak memory consumption was 683.1 kB. Max. memory is 7.1 GB. [2019-12-17 10:59:10,762 INFO L168 Benchmark]: RCFGBuilder took 308.58 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 162.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:10,763 INFO L168 Benchmark]: TraceAbstraction took 157.73 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 153.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:10,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.39 ms. Allocated memory is still 136.3 MB. Free memory was 99.8 MB in the beginning and 90.2 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 104.34 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 90.2 MB in the beginning and 177.8 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.60 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 177.1 MB in the end (delta: 683.1 kB). Peak memory consumption was 683.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 308.58 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 162.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 157.73 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 153.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 26 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, 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=31occurred 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...