/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 17:35:36,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 17:35:36,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 17:35:36,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 17:35:36,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 17:35:36,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 17:35:36,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 17:35:36,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 17:35:36,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 17:35:36,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 17:35:36,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 17:35:36,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 17:35:36,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 17:35:36,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 17:35:36,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 17:35:36,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 17:35:36,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 17:35:36,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 17:35:36,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 17:35:36,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 17:35:36,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 17:35:36,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 17:35:36,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 17:35:36,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 17:35:36,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 17:35:36,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 17:35:36,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 17:35:36,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 17:35:36,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 17:35:36,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 17:35:36,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 17:35:36,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 17:35:36,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 17:35:36,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 17:35:36,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 17:35:36,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 17:35:36,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 17:35:36,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 17:35:36,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 17:35:36,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 17:35:36,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 17:35:36,608 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-RepeatedSemanticLbe.epf [2021-03-25 17:35:36,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 17:35:36,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 17:35:36,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 17:35:36,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 17:35:36,651 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 17:35:36,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 17:35:36,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 17:35:36,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 17:35:36,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 17:35:36,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 17:35:36,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 17:35:36,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 17:35:36,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 17:35:36,652 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 17:35:36,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 17:35:36,652 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 17:35:36,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 17:35:36,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 17:35:36,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 17:35:36,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 17:35:36,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 17:35:36,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 17:35:36,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 17:35:36,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 17:35:36,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 17:35:36,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 17:35:36,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 17:35:36,654 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 17:35:36,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 17:35:36,654 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 17:35:36,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 17:35:37,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 17:35:37,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 17:35:37,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 17:35:37,036 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 17:35:37,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-03-25 17:35:37,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/929f91107/5c06c04f0d63482c8e08c50f4d2231df/FLAG160ea3532 [2021-03-25 17:35:37,625 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 17:35:37,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-03-25 17:35:37,625 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-25 17:35:37,625 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-25 17:35:37,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/929f91107/5c06c04f0d63482c8e08c50f4d2231df/FLAG160ea3532 [2021-03-25 17:35:38,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/929f91107/5c06c04f0d63482c8e08c50f4d2231df [2021-03-25 17:35:38,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 17:35:38,115 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 17:35:38,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 17:35:38,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 17:35:38,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 17:35:38,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c416b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38, skipping insertion in model container [2021-03-25 17:35:38,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 17:35:38,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 17:35:38,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 17:35:38,277 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 17:35:38,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 17:35:38,299 INFO L208 MainTranslator]: Completed translation [2021-03-25 17:35:38,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38 WrapperNode [2021-03-25 17:35:38,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 17:35:38,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 17:35:38,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 17:35:38,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 17:35:38,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 17:35:38,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 17:35:38,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 17:35:38,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 17:35:38,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (1/1) ... [2021-03-25 17:35:38,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 17:35:38,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 17:35:38,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 17:35:38,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 17:35:38,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (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 [2021-03-25 17:35:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 17:35:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-25 17:35:38,433 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-25 17:35:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 17:35:38,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 17:35:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 17:35:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 17:35:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 17:35:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 17:35:38,436 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 17:35:38,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 17:35:38,682 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-25 17:35:38,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:35:38 BoogieIcfgContainer [2021-03-25 17:35:38,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 17:35:38,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 17:35:38,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 17:35:38,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 17:35:38,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 05:35:38" (1/3) ... [2021-03-25 17:35:38,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610ae116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:35:38, skipping insertion in model container [2021-03-25 17:35:38,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:35:38" (2/3) ... [2021-03-25 17:35:38,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610ae116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:35:38, skipping insertion in model container [2021-03-25 17:35:38,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:35:38" (3/3) ... [2021-03-25 17:35:38,689 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadExitNull-safe.c [2021-03-25 17:35:38,701 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 17:35:38,704 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-25 17:35:38,705 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 17:35:38,753 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,754 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,754 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,754 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,754 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,754 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,754 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,755 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,756 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,756 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,756 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,756 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,756 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,756 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,756 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,757 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,757 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,757 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,757 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,757 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,758 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,758 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,758 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,758 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,760 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,760 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,761 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,761 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,762 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,762 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,762 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,762 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,763 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,763 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,763 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,764 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,764 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,765 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,765 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,766 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,768 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,768 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,768 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,769 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,769 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,769 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,769 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,769 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 17:35:38,779 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-25 17:35:38,796 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-03-25 17:35:38,824 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 17:35:38,824 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 17:35:38,824 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 17:35:38,825 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 17:35:38,825 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 17:35:38,825 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 17:35:38,825 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 17:35:38,825 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 17:35:38,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 31 transitions, 70 flow [2021-03-25 17:35:38,865 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-25 17:35:38,865 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 17:35:38,866 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. [2021-03-25 17:35:38,866 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 31 transitions, 70 flow [2021-03-25 17:35:38,868 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-03-25 17:35:38,869 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 17:35:38,881 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2021-03-25 17:35:38,883 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2021-03-25 17:35:38,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 17:35:38,884 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 17:35:38,884 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 17:35:38,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 17:35:38,885 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 17:35:38,886 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 17:35:38,886 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 17:35:38,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-25 17:35:38,893 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 17:35:38,894 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 17:35:38,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 05:35:38 BasicIcfg [2021-03-25 17:35:38,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 17:35:38,898 INFO L168 Benchmark]: Toolchain (without parser) took 781.95 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 233.8 MB in the beginning and 315.7 MB in the end (delta: -81.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.0 GB. [2021-03-25 17:35:38,898 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 17:35:38,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.82 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 233.4 MB in the beginning and 344.4 MB in the end (delta: -111.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-25 17:35:38,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.07 ms. Allocated memory is still 360.7 MB. Free memory was 344.4 MB in the beginning and 342.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 17:35:38,900 INFO L168 Benchmark]: Boogie Preprocessor took 23.45 ms. Allocated memory is still 360.7 MB. Free memory was 342.9 MB in the beginning and 341.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 17:35:38,901 INFO L168 Benchmark]: RCFGBuilder took 326.06 ms. Allocated memory is still 360.7 MB. Free memory was 341.8 MB in the beginning and 328.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-25 17:35:38,901 INFO L168 Benchmark]: TraceAbstraction took 211.45 ms. Allocated memory is still 360.7 MB. Free memory was 328.3 MB in the beginning and 315.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-25 17:35:38,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 181.82 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 233.4 MB in the beginning and 344.4 MB in the end (delta: -111.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.07 ms. Allocated memory is still 360.7 MB. Free memory was 344.4 MB in the beginning and 342.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.45 ms. Allocated memory is still 360.7 MB. Free memory was 342.9 MB in the beginning and 341.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 326.06 ms. Allocated memory is still 360.7 MB. Free memory was 341.8 MB in the beginning and 328.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 211.45 ms. Allocated memory is still 360.7 MB. Free memory was 328.3 MB in the beginning and 315.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5ms, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 0 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 74.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 67.8ms, 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...