/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:01:28,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:01:28,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:01:28,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 00:01:28,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-13 00:01:28,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-13 00:01:28,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-13 00:01:28,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-13 00:01:28,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-13 00:01:28,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-13 00:01:28,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-13 00:01:28,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-13 00:01:28,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-13 00:01:28,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-13 00:01:28,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-13 00:01:28,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-13 00:01:28,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-13 00:01:28,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:01:28,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:01:28,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:01:28,239 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-Sleep-SemanticLbe-Delay.epf [2021-03-13 00:01:28,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:01:28,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:01:28,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:01:28,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:01:28,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:01:28,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:01:28,273 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:01:28,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:01:28,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:01:28,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:01:28,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:01:28,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:01:28,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:01:28,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:01:28,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:01:28,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:01:28,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:01:28,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:01:28,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:01:28,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:01:28,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:01:28,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:01:28,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:01:28,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:01:28,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:01:28,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:01:28,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:01:28,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:01:28,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:01:28,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:01:28,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:01:28,277 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:01:28,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:01:28,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:01:28,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:01:28,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:01:28,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-13 00:01:28,580 INFO L275 PluginConnector]: CDTParser initialized [2021-03-13 00:01:28,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-03-13 00:01:28,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56124ec1/622071cc6add434cb154f5ff958cd0f0/FLAGf4303e029 [2021-03-13 00:01:29,127 INFO L306 CDTParser]: Found 1 translation units. [2021-03-13 00:01:29,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-03-13 00:01:29,128 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:01:29,128 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:01:29,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56124ec1/622071cc6add434cb154f5ff958cd0f0/FLAGf4303e029 [2021-03-13 00:01:29,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56124ec1/622071cc6add434cb154f5ff958cd0f0 [2021-03-13 00:01:29,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:01:29,504 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-13 00:01:29,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-13 00:01:29,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-13 00:01:29,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-13 00:01:29,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288d2f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29, skipping insertion in model container [2021-03-13 00:01:29,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-13 00:01:29,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-13 00:01:29,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:01:29,619 INFO L203 MainTranslator]: Completed pre-run [2021-03-13 00:01:29,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:01:29,637 INFO L208 MainTranslator]: Completed translation [2021-03-13 00:01:29,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29 WrapperNode [2021-03-13 00:01:29,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-13 00:01:29,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:01:29,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:01:29,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:01:29,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:01:29,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:01:29,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:01:29,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:01:29,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (1/1) ... [2021-03-13 00:01:29,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:01:29,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:01:29,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:01:29,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:01:29,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (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 [2021-03-13 00:01:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-13 00:01:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:01:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:01:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-13 00:01:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2021-03-13 00:01:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2021-03-13 00:01:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-13 00:01:29,794 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:01:29,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:01:29,952 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-13 00:01:29,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:01:29 BoogieIcfgContainer [2021-03-13 00:01:29,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:01:29,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:01:29,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:01:29,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:01:29,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 12:01:29" (1/3) ... [2021-03-13 00:01:29,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6840664d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:01:29, skipping insertion in model container [2021-03-13 00:01:29,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:29" (2/3) ... [2021-03-13 00:01:29,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6840664d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:01:29, skipping insertion in model container [2021-03-13 00:01:29,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:01:29" (3/3) ... [2021-03-13 00:01:29,959 INFO L111 eAbstractionObserver]: Analyzing ICFG ForkedModifiesGlobal.c [2021-03-13 00:01:29,964 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:01:29,964 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:01:29,967 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-13 00:01:29,968 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:01:30,002 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,002 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,003 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,003 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,003 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,003 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,003 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,003 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,004 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,004 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,004 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,004 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,006 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,007 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,007 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,007 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,007 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:30,011 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-13 00:01:30,038 INFO L253 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 [2021-03-13 00:01:30,108 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:01:30,108 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:01:30,109 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:01:30,109 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:01:30,109 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:01:30,109 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:01:30,109 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:01:30,109 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 00:01:30,121 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:01:30,122 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 24 transitions, 53 flow [2021-03-13 00:01:30,128 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 24 transitions, 53 flow [2021-03-13 00:01:30,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 24 transitions, 53 flow [2021-03-13 00:01:30,157 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-13 00:01:30,157 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-13 00:01:30,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-13 00:01:30,162 INFO L116 LiptonReduction]: Number of co-enabled transitions 80 [2021-03-13 00:01:30,877 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-13 00:01:31,008 INFO L131 LiptonReduction]: Checked pairs total: 50 [2021-03-13 00:01:31,009 INFO L133 LiptonReduction]: Total number of compositions: 19 [2021-03-13 00:01:31,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:01:31 BasicIcfg [2021-03-13 00:01:31,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:01:31,034 INFO L168 Benchmark]: Toolchain (without parser) took 1532.54 ms. Allocated memory was 255.9 MB in the beginning and 373.3 MB in the end (delta: 117.4 MB). Free memory was 237.3 MB in the beginning and 327.1 MB in the end (delta: -89.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:31,034 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:01:31,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.98 ms. Allocated memory is still 255.9 MB. Free memory was 236.8 MB in the beginning and 228.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:31,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.41 ms. Allocated memory was 255.9 MB in the beginning and 373.3 MB in the end (delta: 117.4 MB). Free memory was 228.0 MB in the beginning and 358.7 MB in the end (delta: -130.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:31,036 INFO L168 Benchmark]: Boogie Preprocessor took 24.52 ms. Allocated memory is still 373.3 MB. Free memory was 358.7 MB in the beginning and 357.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:01:31,036 INFO L168 Benchmark]: RCFGBuilder took 234.06 ms. Allocated memory is still 373.3 MB. Free memory was 357.6 MB in the beginning and 346.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:31,037 INFO L168 Benchmark]: TraceAbstraction took 1078.48 ms. Allocated memory is still 373.3 MB. Free memory was 345.8 MB in the beginning and 327.1 MB in the end (delta: 18.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:31,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 132.98 ms. Allocated memory is still 255.9 MB. Free memory was 236.8 MB in the beginning and 228.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 52.41 ms. Allocated memory was 255.9 MB in the beginning and 373.3 MB in the end (delta: 117.4 MB). Free memory was 228.0 MB in the beginning and 358.7 MB in the end (delta: -130.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 24.52 ms. Allocated memory is still 373.3 MB. Free memory was 358.7 MB in the beginning and 357.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 234.06 ms. Allocated memory is still 373.3 MB. Free memory was 357.6 MB in the beginning and 346.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1078.48 ms. Allocated memory is still 373.3 MB. Free memory was 345.8 MB in the beginning and 327.1 MB in the end (delta: 18.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 880.5ms, 28 PlacesBefore, 9 PlacesAfterwards, 24 TransitionsBefore, 5 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 19 TotalNumberOfCompositions, 50 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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: 50, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 50, unknown conditional: 0, unknown unconditional: 50] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - 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, 25 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 962.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 911.7ms, PartialOrderReductionTime: 8.5ms, 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...