/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-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 02:39:51,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 02:39:51,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 02:39:51,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 02:39:51,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 02:39:51,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 02:39:51,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 02:39:51,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 02:39:51,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 02:39:51,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 02:39:51,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 02:39:51,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 02:39:51,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 02:39:51,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 02:39:51,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 02:39:51,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 02:39:51,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 02:39:51,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 02:39:51,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 02:39:51,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 02:39:51,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 02:39:51,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 02:39:51,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 02:39:51,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 02:39:51,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 02:39:51,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 02:39:51,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 02:39:51,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 02:39:51,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 02:39:51,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-17 02:39:51,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 02:39:51,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 02:39:51,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 02:39:51,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 02:39:51,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 02:39:51,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 02:39:51,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 02:39:51,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 02:39:51,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 02:39:51,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 02:39:51,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 02:39:51,446 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-POR-Persistent-NoLbe.epf [2021-06-17 02:39:51,474 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 02:39:51,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 02:39:51,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 02:39:51,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 02:39:51,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 02:39:51,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 02:39:51,477 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 02:39:51,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 02:39:51,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 02:39:51,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 02:39:51,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 02:39:51,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 02:39:51,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 02:39:51,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 02:39:51,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 02:39:51,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 02:39:51,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 02:39:51,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 02:39:51,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 02:39:51,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 02:39:51,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 02:39:51,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 02:39:51,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 02:39:51,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 02:39:51,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 02:39:51,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 02:39:51,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 02:39:51,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 02:39:51,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 02:39:51,481 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 02:39:51,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 02:39:51,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 02:39:51,482 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-17 02:39:51,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 02:39:51,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 02:39:51,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 02:39:51,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 02:39:51,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 02:39:51,871 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 02:39:51,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ex1.c [2021-06-17 02:39:51,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e7f0b8e/b5c825f8a401426b95abefd53b904abc/FLAGc87efa83e [2021-06-17 02:39:52,448 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 02:39:52,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ex1.c [2021-06-17 02:39:52,449 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-17 02:39:52,449 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-17 02:39:52,450 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-17 02:39:52,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e7f0b8e/b5c825f8a401426b95abefd53b904abc/FLAGc87efa83e [2021-06-17 02:39:52,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e7f0b8e/b5c825f8a401426b95abefd53b904abc [2021-06-17 02:39:52,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 02:39:52,952 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 02:39:52,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 02:39:52,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 02:39:52,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 02:39:52,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 02:39:52" (1/1) ... [2021-06-17 02:39:52,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f043a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:52, skipping insertion in model container [2021-06-17 02:39:52,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 02:39:52" (1/1) ... [2021-06-17 02:39:52,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 02:39:52,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 02:39:53,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 02:39:53,101 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 02:39:53,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 02:39:53,129 INFO L208 MainTranslator]: Completed translation [2021-06-17 02:39:53,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53 WrapperNode [2021-06-17 02:39:53,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 02:39:53,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 02:39:53,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 02:39:53,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 02:39:53,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (1/1) ... [2021-06-17 02:39:53,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (1/1) ... [2021-06-17 02:39:53,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 02:39:53,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 02:39:53,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 02:39:53,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 02:39:53,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (1/1) ... [2021-06-17 02:39:53,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (1/1) ... [2021-06-17 02:39:53,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (1/1) ... [2021-06-17 02:39:53,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (1/1) ... [2021-06-17 02:39:53,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (1/1) ... [2021-06-17 02:39:53,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (1/1) ... [2021-06-17 02:39:53,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (1/1) ... [2021-06-17 02:39:53,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 02:39:53,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 02:39:53,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 02:39:53,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 02:39:53,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (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 [2021-06-17 02:39:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 02:39:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2021-06-17 02:39:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2021-06-17 02:39:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 02:39:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 02:39:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-17 02:39:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-17 02:39:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 02:39:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 02:39:53,287 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 02:39:53,556 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 02:39:53,556 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-17 02:39:53,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 02:39:53 BoogieIcfgContainer [2021-06-17 02:39:53,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 02:39:53,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 02:39:53,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 02:39:53,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 02:39:53,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 02:39:52" (1/3) ... [2021-06-17 02:39:53,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7318dfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 02:39:53, skipping insertion in model container [2021-06-17 02:39:53,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 02:39:53" (2/3) ... [2021-06-17 02:39:53,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7318dfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 02:39:53, skipping insertion in model container [2021-06-17 02:39:53,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 02:39:53" (3/3) ... [2021-06-17 02:39:53,564 INFO L111 eAbstractionObserver]: Analyzing ICFG ex1.c [2021-06-17 02:39:53,585 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 02:39:53,585 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 02:39:53,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-06-17 02:39:53,586 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 02:39:53,615 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,615 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,615 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,615 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,616 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,616 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,616 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,616 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,616 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,617 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,617 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,617 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,619 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,619 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,620 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,620 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 02:39:53,632 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-17 02:39:53,650 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 02:39:53,693 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 02:39:53,694 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 02:39:53,694 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 02:39:53,694 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 02:39:53,694 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 02:39:53,694 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 02:39:53,694 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 02:39:53,694 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 02:39:53,738 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 02:39:53,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 02:39:53 BasicIcfg [2021-06-17 02:39:53,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 02:39:53,741 INFO L168 Benchmark]: Toolchain (without parser) took 788.14 ms. Allocated memory is still 167.8 MB. Free memory was 132.1 MB in the beginning and 124.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. [2021-06-17 02:39:53,742 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 167.8 MB. Free memory is still 148.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 02:39:53,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.15 ms. Allocated memory is still 167.8 MB. Free memory was 131.9 MB in the beginning and 151.8 MB in the end (delta: -19.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 8.0 GB. [2021-06-17 02:39:53,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 167.8 MB. Free memory was 151.8 MB in the beginning and 150.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 02:39:53,743 INFO L168 Benchmark]: Boogie Preprocessor took 26.78 ms. Allocated memory is still 167.8 MB. Free memory was 150.2 MB in the beginning and 149.6 MB in the end (delta: 584.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 02:39:53,744 INFO L168 Benchmark]: RCFGBuilder took 358.07 ms. Allocated memory is still 167.8 MB. Free memory was 149.1 MB in the beginning and 136.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-17 02:39:53,745 INFO L168 Benchmark]: TraceAbstraction took 180.51 ms. Allocated memory is still 167.8 MB. Free memory was 135.5 MB in the beginning and 124.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-17 02:39:53,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 167.8 MB. Free memory is still 148.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 176.15 ms. Allocated memory is still 167.8 MB. Free memory was 131.9 MB in the beginning and 151.8 MB in the end (delta: -19.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 167.8 MB. Free memory was 151.8 MB in the beginning and 150.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.78 ms. Allocated memory is still 167.8 MB. Free memory was 150.2 MB in the beginning and 149.6 MB in the end (delta: 584.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 358.07 ms. Allocated memory is still 167.8 MB. Free memory was 149.1 MB in the beginning and 136.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 180.51 ms. Allocated memory is still 167.8 MB. Free memory was 135.5 MB in the beginning and 124.0 MB in the end (delta: 11.5 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: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 12, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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: 15, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 12, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 10, Number of persistent set computation: 52, Number of trivial persistent sets: 49, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 12, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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: 15, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 12, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 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: 73.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 24.7ms, 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...