/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-10 20:29:36,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-10 20:29:36,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-10 20:29:36,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-10 20:29:36,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-10 20:29:36,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-10 20:29:36,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-10 20:29:36,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-10 20:29:36,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-10 20:29:36,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-10 20:29:36,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-10 20:29:36,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-10 20:29:36,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-10 20:29:36,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-10 20:29:36,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-10 20:29:36,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-10 20:29:36,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-10 20:29:36,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-10 20:29:36,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-10 20:29:36,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-10 20:29:36,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-10 20:29:36,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-10 20:29:36,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-10 20:29:36,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-10 20:29:36,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-10 20:29:36,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-10 20:29:36,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-10 20:29:36,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-10 20:29:36,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-10 20:29:36,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-10 20:29:36,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-10 20:29:36,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-10 20:29:36,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-10 20:29:36,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-10 20:29:36,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-10 20:29:36,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-10 20:29:36,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-10 20:29:36,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-10 20:29:36,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-10 20:29:36,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-10 20:29:36,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-10 20:29:36,406 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.epf [2021-03-10 20:29:36,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-10 20:29:36,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-10 20:29:36,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-10 20:29:36,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-10 20:29:36,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-10 20:29:36,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-10 20:29:36,436 INFO L138 SettingsManager]: * Use SBE=true [2021-03-10 20:29:36,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-10 20:29:36,437 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-10 20:29:36,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-10 20:29:36,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-10 20:29:36,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-10 20:29:36,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-10 20:29:36,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-10 20:29:36,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-10 20:29:36,437 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-10 20:29:36,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-10 20:29:36,438 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-10 20:29:36,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-10 20:29:36,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-10 20:29:36,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-10 20:29:36,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-10 20:29:36,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-10 20:29:36,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-10 20:29:36,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-10 20:29:36,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-10 20:29:36,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-10 20:29:36,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-10 20:29:36,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-10 20:29:36,439 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-10 20:29:36,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-10 20:29:36,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-10 20:29:36,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-10 20:29:36,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-10 20:29:36,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-10 20:29:36,731 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-10 20:29:36,733 INFO L275 PluginConnector]: CDTParser initialized [2021-03-10 20:29:36,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-03-10 20:29:36,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/853ca4756/78e30a0d3dde47daa7fa1cd563686b7f/FLAGa7110a6ac [2021-03-10 20:29:37,238 INFO L306 CDTParser]: Found 1 translation units. [2021-03-10 20:29:37,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-03-10 20:29:37,240 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-10 20:29:37,240 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-10 20:29:37,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/853ca4756/78e30a0d3dde47daa7fa1cd563686b7f/FLAGa7110a6ac [2021-03-10 20:29:37,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/853ca4756/78e30a0d3dde47daa7fa1cd563686b7f [2021-03-10 20:29:37,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-10 20:29:37,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-10 20:29:37,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-10 20:29:37,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-10 20:29:37,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-10 20:29:37,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48440587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37, skipping insertion in model container [2021-03-10 20:29:37,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-10 20:29:37,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-10 20:29:37,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 20:29:37,489 INFO L203 MainTranslator]: Completed pre-run [2021-03-10 20:29:37,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 20:29:37,509 INFO L208 MainTranslator]: Completed translation [2021-03-10 20:29:37,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37 WrapperNode [2021-03-10 20:29:37,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-10 20:29:37,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-10 20:29:37,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-10 20:29:37,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-10 20:29:37,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-10 20:29:37,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-10 20:29:37,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-10 20:29:37,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-10 20:29:37,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (1/1) ... [2021-03-10 20:29:37,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-10 20:29:37,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-10 20:29:37,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-10 20:29:37,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-10 20:29:37,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (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 [2021-03-10 20:29:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-10 20:29:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-10 20:29:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-10 20:29:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-10 20:29:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-10 20:29:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-10 20:29:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-10 20:29:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-10 20:29:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-10 20:29:37,661 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-10 20:29:37,912 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-10 20:29:37,912 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-10 20:29:37,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 08:29:37 BoogieIcfgContainer [2021-03-10 20:29:37,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-10 20:29:37,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-10 20:29:37,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-10 20:29:37,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-10 20:29:37,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.03 08:29:37" (1/3) ... [2021-03-10 20:29:37,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed499e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 08:29:37, skipping insertion in model container [2021-03-10 20:29:37,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:37" (2/3) ... [2021-03-10 20:29:37,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed499e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 08:29:37, skipping insertion in model container [2021-03-10 20:29:37,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 08:29:37" (3/3) ... [2021-03-10 20:29:37,926 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadExitNull-safe.c [2021-03-10 20:29:37,931 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-10 20:29:37,931 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-10 20:29:37,934 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-10 20:29:37,935 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-10 20:29:37,963 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,964 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,964 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,964 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,964 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,965 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,965 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,965 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,965 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,965 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,965 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,965 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,966 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,966 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,966 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,967 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,967 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,967 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,967 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,968 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,968 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,968 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,968 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,968 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,970 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,970 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,970 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,971 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,971 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,971 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,971 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,971 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,972 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,972 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,972 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,973 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,974 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,974 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,974 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,975 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,977 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,977 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,977 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,977 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,977 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,978 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,978 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,978 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:37,988 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-10 20:29:38,002 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-03-10 20:29:38,026 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-10 20:29:38,027 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-10 20:29:38,027 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-10 20:29:38,027 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-10 20:29:38,027 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-10 20:29:38,027 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-10 20:29:38,027 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-10 20:29:38,027 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-10 20:29:38,036 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 70 flow [2021-03-10 20:29:38,048 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 49 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 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) [2021-03-10 20:29:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 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) [2021-03-10 20:29:38,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-10 20:29:38,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.03 08:29:38 BasicIcfg [2021-03-10 20:29:38,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-10 20:29:38,061 INFO L168 Benchmark]: Toolchain (without parser) took 770.19 ms. Allocated memory is still 362.8 MB. Free memory was 325.3 MB in the beginning and 320.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:38,062 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 362.8 MB. Free memory is still 344.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 20:29:38,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.68 ms. Allocated memory is still 362.8 MB. Free memory was 324.7 MB in the beginning and 340.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:38,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.28 ms. Allocated memory is still 362.8 MB. Free memory was 340.9 MB in the beginning and 346.0 MB in the end (delta: -5.1 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:38,065 INFO L168 Benchmark]: Boogie Preprocessor took 46.19 ms. Allocated memory is still 362.8 MB. Free memory was 346.0 MB in the beginning and 345.9 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:38,067 INFO L168 Benchmark]: RCFGBuilder took 319.58 ms. Allocated memory is still 362.8 MB. Free memory was 344.9 MB in the beginning and 330.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:38,067 INFO L168 Benchmark]: TraceAbstraction took 144.50 ms. Allocated memory is still 362.8 MB. Free memory was 330.2 MB in the beginning and 320.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:38,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 362.8 MB. Free memory is still 344.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 215.68 ms. Allocated memory is still 362.8 MB. Free memory was 324.7 MB in the beginning and 340.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 32.28 ms. Allocated memory is still 362.8 MB. Free memory was 340.9 MB in the beginning and 346.0 MB in the end (delta: -5.1 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 46.19 ms. Allocated memory is still 362.8 MB. Free memory was 346.0 MB in the beginning and 345.9 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 319.58 ms. Allocated memory is still 362.8 MB. Free memory was 344.9 MB in the beginning and 330.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 144.50 ms. Allocated memory is still 362.8 MB. Free memory was 330.2 MB in the beginning and 320.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 6.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...