/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/ForkedModifiesGlobal.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:29:12,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:29:12,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:29:12,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 16:29:12,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 16:29:12,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 16:29:12,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 16:29:12,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 16:29:12,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 16:29:12,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 16:29:12,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 16:29:12,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 16:29:12,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 16:29:12,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 16:29:12,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 16:29:12,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 16:29:12,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 16:29:12,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 16:29:12,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 16:29:12,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 16:29:12,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 16:29:12,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 16:29:12,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 16:29:12,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 16:29:12,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 16:29:12,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 16:29:12,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 16:29:12,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 16:29:12,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 16:29:12,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 16:29:12,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 16:29:12,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 16:29:12,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 16:29:12,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 16:29:12,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 16:29:12,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 16:29:12,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 16:29:12,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 16:29:12,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 16:29:12,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 16:29:12,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 16:29:12,515 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 16:29:12,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:29:12,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:29:12,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:29:12,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:29:12,547 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:29:12,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:29:12,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:29:12,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:29:12,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:29:12,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:29:12,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:29:12,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:29:12,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:29:12,548 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:29:12,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:29:12,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:29:12,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:29:12,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:29:12,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:29:12,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:29:12,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:29:12,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:29:12,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:29:12,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:29:12,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:29:12,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:29:12,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:29:12,550 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:29:12,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:29:12,550 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:29:12,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:29:12,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:29:12,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:29:12,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:29:12,815 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 16:29:12,815 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 16:29:12,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-06-16 16:29:12,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ee6a51c/516513371a044fbe9ab6edb23842fb4a/FLAG646608269 [2021-06-16 16:29:13,235 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 16:29:13,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-06-16 16:29:13,236 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:29:13,236 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:29:13,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ee6a51c/516513371a044fbe9ab6edb23842fb4a/FLAG646608269 [2021-06-16 16:29:13,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ee6a51c/516513371a044fbe9ab6edb23842fb4a [2021-06-16 16:29:13,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:29:13,260 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 16:29:13,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 16:29:13,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 16:29:13,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 16:29:13,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4e402d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13, skipping insertion in model container [2021-06-16 16:29:13,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 16:29:13,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 16:29:13,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:29:13,390 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 16:29:13,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:29:13,408 INFO L208 MainTranslator]: Completed translation [2021-06-16 16:29:13,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13 WrapperNode [2021-06-16 16:29:13,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 16:29:13,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:29:13,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:29:13,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:29:13,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:29:13,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:29:13,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:29:13,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:29:13,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (1/1) ... [2021-06-16 16:29:13,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:29:13,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:29:13,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:29:13,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:29:13,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (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 16:29:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 16:29:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:29:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:29:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 16:29:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2021-06-16 16:29:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2021-06-16 16:29:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 16:29:13,572 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 16:29:13,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:29:13,748 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-16 16:29:13,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:29:13 BoogieIcfgContainer [2021-06-16 16:29:13,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:29:13,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:29:13,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:29:13,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:29:13,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 04:29:13" (1/3) ... [2021-06-16 16:29:13,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c816f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:29:13, skipping insertion in model container [2021-06-16 16:29:13,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:29:13" (2/3) ... [2021-06-16 16:29:13,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c816f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:29:13, skipping insertion in model container [2021-06-16 16:29:13,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:29:13" (3/3) ... [2021-06-16 16:29:13,754 INFO L111 eAbstractionObserver]: Analyzing ICFG ForkedModifiesGlobal.c [2021-06-16 16:29:13,774 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:29:13,774 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:29:13,774 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-06-16 16:29:13,775 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:29:13,793 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,794 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,794 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,794 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,794 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,794 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,794 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,794 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,794 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,795 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,795 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,795 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,796 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,796 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,796 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,797 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,797 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:29:13,806 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 16:29:13,832 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 16:29:13,847 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:29:13,848 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:29:13,848 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:29:13,848 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:29:13,848 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:29:13,848 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:29:13,848 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:29:13,848 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 16:29:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 71 states have internal predecessors, (71), 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 16:29:13,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:29:13,913 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:29:13,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:29:13 BasicIcfg [2021-06-16 16:29:13,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:29:13,917 INFO L168 Benchmark]: Toolchain (without parser) took 655.19 ms. Allocated memory is still 172.0 MB. Free memory was 135.3 MB in the beginning and 130.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:13,917 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 172.0 MB. Free memory is still 152.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:29:13,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.83 ms. Allocated memory is still 172.0 MB. Free memory was 135.3 MB in the beginning and 126.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:13,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.00 ms. Allocated memory is still 172.0 MB. Free memory was 126.5 MB in the beginning and 155.5 MB in the end (delta: -29.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:13,920 INFO L168 Benchmark]: Boogie Preprocessor took 14.61 ms. Allocated memory is still 172.0 MB. Free memory was 155.5 MB in the beginning and 154.7 MB in the end (delta: 822.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:13,920 INFO L168 Benchmark]: RCFGBuilder took 238.87 ms. Allocated memory is still 172.0 MB. Free memory was 154.4 MB in the beginning and 141.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:13,921 INFO L168 Benchmark]: TraceAbstraction took 164.56 ms. Allocated memory is still 172.0 MB. Free memory was 141.4 MB in the beginning and 130.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-16 16:29:13,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 172.0 MB. Free memory is still 152.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 146.83 ms. Allocated memory is still 172.0 MB. Free memory was 135.3 MB in the beginning and 126.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 85.00 ms. Allocated memory is still 172.0 MB. Free memory was 126.5 MB in the beginning and 155.5 MB in the end (delta: -29.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.61 ms. Allocated memory is still 172.0 MB. Free memory was 155.5 MB in the beginning and 154.7 MB in the end (delta: 822.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 238.87 ms. Allocated memory is still 172.0 MB. Free memory was 154.4 MB in the beginning and 141.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 164.56 ms. Allocated memory is still 172.0 MB. Free memory was 141.4 MB in the beginning and 130.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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: 45, positive: 45, positive conditional: 45, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, 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, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 66.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 6.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 56.8ms, PartialOrderReductionTime: 48.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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...