/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 04:25:07,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 04:25:07,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 04:25:07,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 04:25:07,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 04:25:07,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 04:25:07,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 04:25:07,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 04:25:07,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 04:25:07,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 04:25:07,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 04:25:07,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 04:25:07,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 04:25:07,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 04:25:07,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 04:25:07,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 04:25:07,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 04:25:07,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 04:25:07,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 04:25:07,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 04:25:07,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 04:25:07,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 04:25:07,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 04:25:07,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 04:25:07,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 04:25:07,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 04:25:07,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 04:25:07,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 04:25:07,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 04:25:07,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 04:25:07,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 04:25:07,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 04:25:07,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 04:25:07,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 04:25:07,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 04:25:07,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 04:25:07,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 04:25:07,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 04:25:07,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 04:25:07,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 04:25:07,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 04:25:07,434 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-PN-NoLbe.epf [2021-03-11 04:25:07,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 04:25:07,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 04:25:07,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 04:25:07,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 04:25:07,463 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 04:25:07,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 04:25:07,463 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 04:25:07,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 04:25:07,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 04:25:07,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 04:25:07,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 04:25:07,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 04:25:07,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 04:25:07,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 04:25:07,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 04:25:07,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 04:25:07,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 04:25:07,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 04:25:07,466 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 04:25:07,466 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 04:25:07,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 04:25:07,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 04:25:07,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 04:25:07,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 04:25:07,709 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 04:25:07,709 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 04:25:07,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ex1.c [2021-03-11 04:25:07,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f30621d14/edde688b07b64735b36997dc0a254ce9/FLAGaf8f2ef72 [2021-03-11 04:25:08,064 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 04:25:08,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ex1.c [2021-03-11 04:25:08,065 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 04:25:08,065 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 04:25:08,066 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 04:25:08,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f30621d14/edde688b07b64735b36997dc0a254ce9/FLAGaf8f2ef72 [2021-03-11 04:25:08,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f30621d14/edde688b07b64735b36997dc0a254ce9 [2021-03-11 04:25:08,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 04:25:08,496 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 04:25:08,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 04:25:08,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 04:25:08,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 04:25:08,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a548a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08, skipping insertion in model container [2021-03-11 04:25:08,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 04:25:08,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 04:25:08,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 04:25:08,601 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 04:25:08,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 04:25:08,615 INFO L208 MainTranslator]: Completed translation [2021-03-11 04:25:08,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08 WrapperNode [2021-03-11 04:25:08,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 04:25:08,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 04:25:08,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 04:25:08,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 04:25:08,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 04:25:08,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 04:25:08,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 04:25:08,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 04:25:08,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (1/1) ... [2021-03-11 04:25:08,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 04:25:08,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 04:25:08,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 04:25:08,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 04:25:08,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (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 [2021-03-11 04:25:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 04:25:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2021-03-11 04:25:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2021-03-11 04:25:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 04:25:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 04:25:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 04:25:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 04:25:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 04:25:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 04:25:08,714 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 04:25:08,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 04:25:08,889 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 04:25:08,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 04:25:08 BoogieIcfgContainer [2021-03-11 04:25:08,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 04:25:08,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 04:25:08,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 04:25:08,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 04:25:08,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 04:25:08" (1/3) ... [2021-03-11 04:25:08,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713de14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 04:25:08, skipping insertion in model container [2021-03-11 04:25:08,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 04:25:08" (2/3) ... [2021-03-11 04:25:08,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713de14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 04:25:08, skipping insertion in model container [2021-03-11 04:25:08,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 04:25:08" (3/3) ... [2021-03-11 04:25:08,894 INFO L111 eAbstractionObserver]: Analyzing ICFG ex1.c [2021-03-11 04:25:08,898 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 04:25:08,900 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-11 04:25:08,900 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 04:25:08,941 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,942 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,942 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,942 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,942 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,942 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,942 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,942 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,942 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,942 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,943 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,943 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,944 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,944 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,944 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,945 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 04:25:08,950 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-11 04:25:08,964 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-03-11 04:25:08,986 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 04:25:08,986 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 04:25:08,986 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 04:25:08,986 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 04:25:08,986 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 04:25:08,987 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 04:25:08,987 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 04:25:08,987 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 04:25:08,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 58 flow [2021-03-11 04:25:09,020 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-11 04:25:09,021 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 04:25:09,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 0/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-11 04:25:09,022 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 25 transitions, 58 flow [2021-03-11 04:25:09,026 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-03-11 04:25:09,026 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-11 04:25:09,026 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 04:25:09,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 04:25:09 BasicIcfg [2021-03-11 04:25:09,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 04:25:09,030 INFO L168 Benchmark]: Toolchain (without parser) took 536.21 ms. Allocated memory is still 379.6 MB. Free memory was 344.5 MB in the beginning and 338.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2021-03-11 04:25:09,031 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 379.6 MB. Free memory was 360.8 MB in the beginning and 360.7 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 04:25:09,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.84 ms. Allocated memory is still 379.6 MB. Free memory was 343.8 MB in the beginning and 359.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-03-11 04:25:09,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.87 ms. Allocated memory is still 379.6 MB. Free memory was 359.2 MB in the beginning and 357.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 04:25:09,035 INFO L168 Benchmark]: Boogie Preprocessor took 12.83 ms. Allocated memory is still 379.6 MB. Free memory was 357.4 MB in the beginning and 363.8 MB in the end (delta: -6.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 04:25:09,036 INFO L168 Benchmark]: RCFGBuilder took 243.08 ms. Allocated memory is still 379.6 MB. Free memory was 363.8 MB in the beginning and 348.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-11 04:25:09,036 INFO L168 Benchmark]: TraceAbstraction took 137.64 ms. Allocated memory is still 379.6 MB. Free memory was 347.1 MB in the beginning and 338.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-11 04:25:09,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 379.6 MB. Free memory was 360.8 MB in the beginning and 360.7 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 118.84 ms. Allocated memory is still 379.6 MB. Free memory was 343.8 MB in the beginning and 359.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 16.87 ms. Allocated memory is still 379.6 MB. Free memory was 359.2 MB in the beginning and 357.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.83 ms. Allocated memory is still 379.6 MB. Free memory was 357.4 MB in the beginning and 363.8 MB in the end (delta: -6.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 243.08 ms. Allocated memory is still 379.6 MB. Free memory was 363.8 MB in the beginning and 348.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 137.64 ms. Allocated memory is still 379.6 MB. Free memory was 347.1 MB in the beginning and 338.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 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. Started 1 CEGAR loops. EmptinessCheckTime: 0.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 43.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 38.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms 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...