/usr/bin/java -Xmx8000000000 -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-OGIterative-CovSimpl-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 17:44:15,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 17:44:15,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 17:44:15,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 17:44:15,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 17:44:15,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 17:44:15,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 17:44:15,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 17:44:15,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 17:44:15,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 17:44:15,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 17:44:15,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 17:44:15,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 17:44:15,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 17:44:15,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 17:44:15,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 17:44:15,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 17:44:15,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 17:44:15,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 17:44:15,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 17:44:15,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 17:44:15,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 17:44:15,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 17:44:15,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 17:44:15,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 17:44:15,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 17:44:15,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 17:44:15,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 17:44:15,975 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-OGIterative-CovSimpl-Hitting.epf [2021-08-13 17:44:16,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 17:44:16,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 17:44:16,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 17:44:16,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 17:44:16,008 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 17:44:16,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 17:44:16,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 17:44:16,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 17:44:16,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 17:44:16,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 17:44:16,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 17:44:16,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 17:44:16,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 17:44:16,009 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 17:44:16,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 17:44:16,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 17:44:16,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 17:44:16,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 17:44:16,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 17:44:16,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 17:44:16,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 17:44:16,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 17:44:16,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 17:44:16,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 17:44:16,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 17:44:16,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 17:44:16,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 17:44:16,010 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 17:44:16,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 17:44:16,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 17:44:16,010 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 17:44:16,010 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 17:44:16,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 17:44:16,011 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 17:44:16,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 17:44:16,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 17:44:16,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 17:44:16,294 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 17:44:16,294 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 17:44:16,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-08-13 17:44:16,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97155392/44e49c142d2d4589a324cf1a24be8d1b/FLAGcba259451 [2021-08-13 17:44:16,698 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 17:44:16,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-08-13 17:44:16,699 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 17:44:16,699 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 17:44:16,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97155392/44e49c142d2d4589a324cf1a24be8d1b/FLAGcba259451 [2021-08-13 17:44:17,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97155392/44e49c142d2d4589a324cf1a24be8d1b [2021-08-13 17:44:17,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 17:44:17,149 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 17:44:17,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 17:44:17,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 17:44:17,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 17:44:17,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a7fe1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17, skipping insertion in model container [2021-08-13 17:44:17,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 17:44:17,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 17:44:17,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 17:44:17,300 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 17:44:17,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 17:44:17,314 INFO L208 MainTranslator]: Completed translation [2021-08-13 17:44:17,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17 WrapperNode [2021-08-13 17:44:17,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 17:44:17,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 17:44:17,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 17:44:17,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 17:44:17,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 17:44:17,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 17:44:17,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 17:44:17,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 17:44:17,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (1/1) ... [2021-08-13 17:44:17,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 17:44:17,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 17:44:17,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 17:44:17,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 17:44:17,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (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 [2021-08-13 17:44:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 17:44:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-13 17:44:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-13 17:44:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 17:44:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 17:44:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 17:44:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-13 17:44:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 17:44:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 17:44:17,390 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 17:44:17,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 17:44:17,574 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-13 17:44:17,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:44:17 BoogieIcfgContainer [2021-08-13 17:44:17,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 17:44:17,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 17:44:17,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 17:44:17,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 17:44:17,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 05:44:17" (1/3) ... [2021-08-13 17:44:17,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311fcbed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:44:17, skipping insertion in model container [2021-08-13 17:44:17,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:44:17" (2/3) ... [2021-08-13 17:44:17,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311fcbed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:44:17, skipping insertion in model container [2021-08-13 17:44:17,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:44:17" (3/3) ... [2021-08-13 17:44:17,580 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadExitNull-safe.c [2021-08-13 17:44:17,603 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 17:44:17,603 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-13 17:44:17,604 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 17:44:17,632 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,632 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,632 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,632 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,632 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,633 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,633 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,633 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,633 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,633 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,633 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,633 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,633 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,633 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,634 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,634 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,634 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,634 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,634 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,634 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,634 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,635 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,635 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,635 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,635 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,635 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,635 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,635 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,635 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,636 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,636 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,636 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,636 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,636 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,636 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,636 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,637 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,637 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,637 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,637 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,639 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,639 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,639 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,639 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,639 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,639 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,640 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,640 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 17:44:17,660 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-13 17:44:17,692 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-13 17:44:17,705 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 17:44:17,705 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 17:44:17,705 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 17:44:17,705 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 17:44:17,705 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 17:44:17,705 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 17:44:17,706 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 17:44:17,706 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 17:44:17,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 76 flow [2021-08-13 17:44:17,728 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-08-13 17:44:17,729 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-08-13 17:44:17,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 33 events. 0/33 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-08-13 17:44:17,730 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 76 flow [2021-08-13 17:44:17,731 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-08-13 17:44:17,732 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-08-13 17:44:17,732 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 17:44:17,737 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 0 in 3569012ns [2021-08-13 17:44:17,740 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 4530268ns [2021-08-13 17:44:17,742 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 17:44:17,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 05:44:17 BasicIcfg [2021-08-13 17:44:17,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 17:44:17,746 INFO L168 Benchmark]: Toolchain (without parser) took 596.56 ms. Allocated memory is still 183.5 MB. Free memory was 146.1 MB in the beginning and 136.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 8.0 GB. [2021-08-13 17:44:17,746 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 183.5 MB. Free memory is still 164.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 17:44:17,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.42 ms. Allocated memory is still 183.5 MB. Free memory was 145.9 MB in the beginning and 165.5 MB in the end (delta: -19.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. [2021-08-13 17:44:17,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 183.5 MB. Free memory was 165.5 MB in the beginning and 164.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 17:44:17,748 INFO L168 Benchmark]: Boogie Preprocessor took 10.32 ms. Allocated memory is still 183.5 MB. Free memory was 164.0 MB in the beginning and 163.4 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 17:44:17,748 INFO L168 Benchmark]: RCFGBuilder took 230.25 ms. Allocated memory is still 183.5 MB. Free memory was 163.4 MB in the beginning and 149.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-13 17:44:17,749 INFO L168 Benchmark]: TraceAbstraction took 168.39 ms. Allocated memory is still 183.5 MB. Free memory was 148.8 MB in the beginning and 136.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-13 17:44:17,752 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 183.5 MB. Free memory is still 164.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 162.42 ms. Allocated memory is still 183.5 MB. Free memory was 145.9 MB in the beginning and 165.5 MB in the end (delta: -19.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 183.5 MB. Free memory was 165.5 MB in the beginning and 164.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.32 ms. Allocated memory is still 183.5 MB. Free memory was 164.0 MB in the beginning and 163.4 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 230.25 ms. Allocated memory is still 183.5 MB. Free memory was 163.4 MB in the beginning and 149.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 168.39 ms. Allocated memory is still 183.5 MB. Free memory was 148.8 MB in the beginning and 136.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 46 locations, 1 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: 30.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.9ms, 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...