/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-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:29:29,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:29:29,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:29:29,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 16:29:29,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 16:29:29,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 16:29:29,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 16:29:29,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 16:29:29,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 16:29:29,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 16:29:29,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 16:29:29,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 16:29:29,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 16:29:29,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 16:29:29,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 16:29:29,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 16:29:29,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 16:29:29,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 16:29:29,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 16:29:29,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 16:29:29,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 16:29:29,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 16:29:29,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 16:29:29,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 16:29:29,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 16:29:29,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 16:29:29,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 16:29:29,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 16:29:29,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 16:29:29,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 16:29:29,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 16:29:29,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 16:29:29,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 16:29:29,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 16:29:29,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 16:29:29,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 16:29:29,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 16:29:29,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 16:29:29,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 16:29:29,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 16:29:29,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 16:29:29,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-06-16 16:29:29,343 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:29:29,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:29:29,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:29:29,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:29:29,344 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:29:29,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:29:29,344 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:29:29,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:29:29,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:29:29,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:29:29,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:29:29,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:29:29,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:29:29,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:29:29,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:29:29,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:29:29,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:29:29,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:29:29,347 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:29:29,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:29:29,347 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:29:29,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:29:29,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:29:29,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:29:29,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:29:29,611 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 16:29:29,611 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 16:29:29,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ex1.c [2021-06-16 16:29:29,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb8897616/8b0677d7125149a283715e848fdbf78e/FLAG39c68a16f [2021-06-16 16:29:30,020 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 16:29:30,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ex1.c [2021-06-16 16:29:30,020 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:29:30,021 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:29:30,022 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:29:30,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb8897616/8b0677d7125149a283715e848fdbf78e/FLAG39c68a16f [2021-06-16 16:29:30,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb8897616/8b0677d7125149a283715e848fdbf78e [2021-06-16 16:29:30,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:29:30,042 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 16:29:30,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 16:29:30,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 16:29:30,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 16:29:30,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a0c34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30, skipping insertion in model container [2021-06-16 16:29:30,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 16:29:30,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 16:29:30,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:29:30,166 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 16:29:30,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:29:30,183 INFO L208 MainTranslator]: Completed translation [2021-06-16 16:29:30,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30 WrapperNode [2021-06-16 16:29:30,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 16:29:30,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:29:30,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:29:30,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:29:30,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:29:30,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:29:30,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:29:30,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:29:30,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (1/1) ... [2021-06-16 16:29:30,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:29:30,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:29:30,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:29:30,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:29:30,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (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 [2021-06-16 16:29:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 16:29:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2021-06-16 16:29:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2021-06-16 16:29:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:29:30,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:29:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 16:29:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-16 16:29:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 16:29:30,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 16:29:30,362 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 16:29:30,566 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:29:30,566 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-16 16:29:30,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:29:30 BoogieIcfgContainer [2021-06-16 16:29:30,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:29:30,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:29:30,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:29:30,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:29:30,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 04:29:30" (1/3) ... [2021-06-16 16:29:30,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8358d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:29:30, skipping insertion in model container [2021-06-16 16:29:30,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:30" (2/3) ... [2021-06-16 16:29:30,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8358d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:29:30, skipping insertion in model container [2021-06-16 16:29:30,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:29:30" (3/3) ... [2021-06-16 16:29:30,588 INFO L111 eAbstractionObserver]: Analyzing ICFG ex1.c [2021-06-16 16:29:30,591 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:29:30,592 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:29:30,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-06-16 16:29:30,592 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:29:30,619 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,619 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,619 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,619 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,619 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,619 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,619 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,620 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,620 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,620 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,620 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,620 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,621 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,622 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,622 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,622 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:30,635 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-16 16:29:30,653 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 16:29:30,678 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:29:30,678 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:29:30,678 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:29:30,679 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:29:30,679 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:29:30,679 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:29:30,679 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:29:30,679 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 16:29:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 36 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 16:29:30,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:29:30,735 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:29:30,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:29:30 BasicIcfg [2021-06-16 16:29:30,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:29:30,738 INFO L168 Benchmark]: Toolchain (without parser) took 695.05 ms. Allocated memory is still 178.3 MB. Free memory was 143.1 MB in the beginning and 137.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:30,739 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 178.3 MB. Free memory is still 159.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:29:30,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.99 ms. Allocated memory is still 178.3 MB. Free memory was 143.0 MB in the beginning and 134.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:30,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.02 ms. Allocated memory is still 178.3 MB. Free memory was 134.1 MB in the beginning and 162.2 MB in the end (delta: -28.1 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:30,742 INFO L168 Benchmark]: Boogie Preprocessor took 24.25 ms. Allocated memory is still 178.3 MB. Free memory was 162.2 MB in the beginning and 161.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:30,743 INFO L168 Benchmark]: RCFGBuilder took 289.88 ms. Allocated memory is still 178.3 MB. Free memory was 161.2 MB in the beginning and 147.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:30,743 INFO L168 Benchmark]: TraceAbstraction took 168.12 ms. Allocated memory is still 178.3 MB. Free memory was 147.0 MB in the beginning and 137.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:30,750 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 178.3 MB. Free memory is still 159.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 138.99 ms. Allocated memory is still 178.3 MB. Free memory was 143.0 MB in the beginning and 134.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 68.02 ms. Allocated memory is still 178.3 MB. Free memory was 134.1 MB in the beginning and 162.2 MB in the end (delta: -28.1 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.25 ms. Allocated memory is still 178.3 MB. Free memory was 162.2 MB in the beginning and 161.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 289.88 ms. Allocated memory is still 178.3 MB. Free memory was 161.2 MB in the beginning and 147.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 168.12 ms. Allocated memory is still 178.3 MB. Free memory was 147.0 MB in the beginning and 137.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 60.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 6.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 47.6ms, PartialOrderReductionTime: 37.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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...