/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/pthreadExitNull-safe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 14:21:42,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 14:21:42,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 14:21:42,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 14:21:42,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 14:21:42,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 14:21:42,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 14:21:42,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 14:21:42,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 14:21:42,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 14:21:42,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 14:21:42,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 14:21:42,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 14:21:42,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 14:21:42,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 14:21:42,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 14:21:42,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 14:21:42,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 14:21:42,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 14:21:42,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 14:21:42,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 14:21:42,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 14:21:42,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 14:21:42,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 14:21:42,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 14:21:42,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 14:21:42,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 14:21:42,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 14:21:42,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 14:21:42,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 14:21:42,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 14:21:42,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 14:21:42,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 14:21:42,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 14:21:42,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 14:21:42,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 14:21:42,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 14:21:42,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 14:21:42,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 14:21:42,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 14:21:42,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 14:21:42,729 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 [2021-06-10 14:21:42,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 14:21:42,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 14:21:42,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 14:21:42,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 14:21:42,757 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 14:21:42,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 14:21:42,758 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 14:21:42,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 14:21:42,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 14:21:42,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 14:21:42,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 14:21:42,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 14:21:42,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 14:21:42,759 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 14:21:42,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 14:21:42,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 14:21:42,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 14:21:42,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 14:21:42,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 14:21:42,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 14:21:42,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 14:21:42,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 14:21:42,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 14:21:42,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 14:21:42,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 14:21:42,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 14:21:42,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 14:21:42,760 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-10 14:21:42,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 14:21:42,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 14:21:42,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 14:21:43,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 14:21:43,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 14:21:43,011 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 14:21:43,012 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 14:21:43,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-06-10 14:21:43,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc2ecaa41/cdba5a8811d34e428270b43222f145e0/FLAG90b9ad9c0 [2021-06-10 14:21:43,421 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 14:21:43,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-06-10 14:21:43,422 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-10 14:21:43,422 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-10 14:21:43,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc2ecaa41/cdba5a8811d34e428270b43222f145e0/FLAG90b9ad9c0 [2021-06-10 14:21:43,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc2ecaa41/cdba5a8811d34e428270b43222f145e0 [2021-06-10 14:21:43,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 14:21:43,464 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 14:21:43,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 14:21:43,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 14:21:43,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 14:21:43,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f860384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43, skipping insertion in model container [2021-06-10 14:21:43,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 14:21:43,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 14:21:43,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 14:21:43,602 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 14:21:43,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 14:21:43,623 INFO L208 MainTranslator]: Completed translation [2021-06-10 14:21:43,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43 WrapperNode [2021-06-10 14:21:43,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 14:21:43,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 14:21:43,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 14:21:43,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 14:21:43,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 14:21:43,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 14:21:43,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 14:21:43,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 14:21:43,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (1/1) ... [2021-06-10 14:21:43,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 14:21:43,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 14:21:43,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 14:21:43,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 14:21:43,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (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 [2021-06-10 14:21:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 14:21:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-10 14:21:43,729 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-10 14:21:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 14:21:43,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 14:21:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 14:21:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-10 14:21:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 14:21:43,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 14:21:43,732 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 14:21:43,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 14:21:43,909 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-10 14:21:43,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 02:21:43 BoogieIcfgContainer [2021-06-10 14:21:43,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 14:21:43,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 14:21:43,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 14:21:43,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 14:21:43,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 02:21:43" (1/3) ... [2021-06-10 14:21:43,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df0e5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 02:21:43, skipping insertion in model container [2021-06-10 14:21:43,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:43" (2/3) ... [2021-06-10 14:21:43,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df0e5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 02:21:43, skipping insertion in model container [2021-06-10 14:21:43,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 02:21:43" (3/3) ... [2021-06-10 14:21:43,914 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadExitNull-safe.c [2021-06-10 14:21:43,918 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 14:21:43,920 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-06-10 14:21:43,925 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 14:21:43,944 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,945 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,945 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,945 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,945 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,945 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,945 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,945 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,946 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,946 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,946 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,946 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,946 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,946 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,946 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,946 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,947 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,947 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,947 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,947 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,947 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,947 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,947 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,947 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,949 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,949 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,949 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,949 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,949 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,950 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,950 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,950 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,950 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,950 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,951 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,952 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,952 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,952 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,952 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,952 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,955 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,955 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,955 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,955 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,955 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,955 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,955 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,955 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:43,962 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-10 14:21:43,974 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-10 14:21:43,994 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:21:43,994 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:21:43,994 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:21:43,995 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:21:43,995 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:21:43,995 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:21:43,998 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:21:43,998 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:21:44,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 31 transitions, 70 flow [2021-06-10 14:21:44,023 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-06-10 14:21:44,024 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 14:21:44,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 30 events. 0/30 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. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-10 14:21:44,025 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 31 transitions, 70 flow [2021-06-10 14:21:44,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-06-10 14:21:44,027 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-10 14:21:44,027 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:21:44,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 02:21:44 BasicIcfg [2021-06-10 14:21:44,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 14:21:44,031 INFO L168 Benchmark]: Toolchain (without parser) took 565.96 ms. Allocated memory is still 383.8 MB. Free memory was 346.4 MB in the beginning and 339.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:44,031 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 383.8 MB. Free memory was 365.1 MB in the beginning and 365.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 14:21:44,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.70 ms. Allocated memory is still 383.8 MB. Free memory was 346.2 MB in the beginning and 368.0 MB in the end (delta: -21.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:44,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.56 ms. Allocated memory is still 383.8 MB. Free memory was 368.0 MB in the beginning and 366.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:44,037 INFO L168 Benchmark]: Boogie Preprocessor took 17.16 ms. Allocated memory is still 383.8 MB. Free memory was 366.9 MB in the beginning and 365.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 14:21:44,038 INFO L168 Benchmark]: RCFGBuilder took 237.56 ms. Allocated memory is still 383.8 MB. Free memory was 365.6 MB in the beginning and 350.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:44,039 INFO L168 Benchmark]: TraceAbstraction took 118.67 ms. Allocated memory is still 383.8 MB. Free memory was 350.2 MB in the beginning and 339.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:44,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 383.8 MB. Free memory was 365.1 MB in the beginning and 365.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 157.70 ms. Allocated memory is still 383.8 MB. Free memory was 346.2 MB in the beginning and 368.0 MB in the end (delta: -21.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 29.56 ms. Allocated memory is still 383.8 MB. Free memory was 368.0 MB in the beginning and 366.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.16 ms. Allocated memory is still 383.8 MB. Free memory was 366.9 MB in the beginning and 365.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 237.56 ms. Allocated memory is still 383.8 MB. Free memory was 365.6 MB in the beginning and 350.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 118.67 ms. Allocated memory is still 383.8 MB. Free memory was 350.2 MB in the beginning and 339.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 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: 37.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28.7ms, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! Received shutdown request...