/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 14:02:05,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 14:02:05,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 14:02:05,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 14:02:05,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 14:02:05,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 14:02:05,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 14:02:05,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 14:02:05,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 14:02:05,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 14:02:05,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 14:02:05,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 14:02:05,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 14:02:05,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 14:02:05,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 14:02:05,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 14:02:05,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 14:02:05,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 14:02:05,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 14:02:05,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 14:02:05,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 14:02:05,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 14:02:05,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 14:02:05,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 14:02:05,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 14:02:05,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 14:02:05,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 14:02:05,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 14:02:05,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 14:02:05,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 14:02:05,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 14:02:05,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 14:02:05,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 14:02:05,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 14:02:05,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 14:02:05,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 14:02:05,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 14:02:05,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 14:02:05,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 14:02:05,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 14:02:05,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 14:02:05,936 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-SemanticLbe.epf [2021-03-11 14:02:05,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 14:02:05,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 14:02:05,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 14:02:05,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 14:02:05,957 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 14:02:05,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 14:02:05,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 14:02:05,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 14:02:05,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 14:02:05,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 14:02:05,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 14:02:05,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 14:02:05,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 14:02:05,958 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 14:02:05,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 14:02:05,959 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 14:02:05,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 14:02:05,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 14:02:05,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 14:02:05,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 14:02:05,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 14:02:05,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 14:02:05,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 14:02:05,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 14:02:05,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 14:02:05,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 14:02:05,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 14:02:05,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 14:02:05,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 14:02:06,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 14:02:06,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 14:02:06,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 14:02:06,279 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 14:02:06,283 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 14:02:06,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-03-11 14:02:06,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94599623/800d2efb13e54fce90e87d4af89c67a7/FLAG46b34dac8 [2021-03-11 14:02:06,731 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 14:02:06,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-03-11 14:02:06,732 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 14:02:06,732 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 14:02:06,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94599623/800d2efb13e54fce90e87d4af89c67a7/FLAG46b34dac8 [2021-03-11 14:02:07,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c94599623/800d2efb13e54fce90e87d4af89c67a7 [2021-03-11 14:02:07,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 14:02:07,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 14:02:07,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 14:02:07,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 14:02:07,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 14:02:07,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707c41b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07, skipping insertion in model container [2021-03-11 14:02:07,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 14:02:07,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 14:02:07,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 14:02:07,252 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 14:02:07,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 14:02:07,270 INFO L208 MainTranslator]: Completed translation [2021-03-11 14:02:07,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07 WrapperNode [2021-03-11 14:02:07,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 14:02:07,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 14:02:07,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 14:02:07,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 14:02:07,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 14:02:07,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 14:02:07,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 14:02:07,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 14:02:07,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (1/1) ... [2021-03-11 14:02:07,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 14:02:07,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 14:02:07,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 14:02:07,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 14:02:07,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (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 [2021-03-11 14:02:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 14:02:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 14:02:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 14:02:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 14:02:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2021-03-11 14:02:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2021-03-11 14:02:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 14:02:07,409 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 14:02:07,584 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 14:02:07,584 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 14:02:07,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:02:07 BoogieIcfgContainer [2021-03-11 14:02:07,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 14:02:07,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 14:02:07,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 14:02:07,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 14:02:07,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 02:02:07" (1/3) ... [2021-03-11 14:02:07,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192fe31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:02:07, skipping insertion in model container [2021-03-11 14:02:07,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:07" (2/3) ... [2021-03-11 14:02:07,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192fe31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:02:07, skipping insertion in model container [2021-03-11 14:02:07,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:02:07" (3/3) ... [2021-03-11 14:02:07,591 INFO L111 eAbstractionObserver]: Analyzing ICFG ForkedModifiesGlobal.c [2021-03-11 14:02:07,604 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 14:02:07,604 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 14:02:07,611 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-11 14:02:07,619 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 14:02:07,641 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,657 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,657 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,657 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,657 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,658 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,658 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,658 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,658 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,658 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,658 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,659 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,660 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,661 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,661 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,661 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,661 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:07,664 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 14:02:07,695 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-03-11 14:02:07,710 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 14:02:07,710 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 14:02:07,710 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 14:02:07,710 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 14:02:07,710 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 14:02:07,710 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 14:02:07,710 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 14:02:07,711 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 14:02:07,720 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 14:02:07,730 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 24 transitions, 53 flow [2021-03-11 14:02:07,732 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 24 transitions, 53 flow [2021-03-11 14:02:07,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 24 transitions, 53 flow [2021-03-11 14:02:07,746 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-11 14:02:07,747 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 14:02:07,748 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. [2021-03-11 14:02:07,748 INFO L116 LiptonReduction]: Number of co-enabled transitions 80 [2021-03-11 14:02:08,506 INFO L131 LiptonReduction]: Checked pairs total: 50 [2021-03-11 14:02:08,506 INFO L133 LiptonReduction]: Total number of compositions: 19 [2021-03-11 14:02:08,516 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 9 places, 5 transitions, 15 flow [2021-03-11 14:02:08,521 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:08,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:08,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 14:02:08,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:02:08 BasicIcfg [2021-03-11 14:02:08,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 14:02:08,532 INFO L168 Benchmark]: Toolchain (without parser) took 1390.48 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 235.5 MB in the beginning and 288.5 MB in the end (delta: -53.0 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.0 GB. [2021-03-11 14:02:08,533 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:02:08,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.28 ms. Allocated memory is still 255.9 MB. Free memory was 235.3 MB in the beginning and 226.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-11 14:02:08,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.94 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 226.3 MB in the beginning and 356.0 MB in the end (delta: -129.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 14:02:08,536 INFO L168 Benchmark]: Boogie Preprocessor took 18.98 ms. Allocated memory is still 371.2 MB. Free memory was 356.0 MB in the beginning and 355.0 MB in the end (delta: 965.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:02:08,537 INFO L168 Benchmark]: RCFGBuilder took 248.21 ms. Allocated memory is still 371.2 MB. Free memory was 355.0 MB in the beginning and 342.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-11 14:02:08,537 INFO L168 Benchmark]: TraceAbstraction took 943.23 ms. Allocated memory is still 371.2 MB. Free memory was 342.9 MB in the beginning and 288.5 MB in the end (delta: 54.4 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.0 GB. [2021-03-11 14:02:08,546 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 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 128.28 ms. Allocated memory is still 255.9 MB. Free memory was 235.3 MB in the beginning and 226.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.94 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 226.3 MB in the beginning and 356.0 MB in the end (delta: -129.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.98 ms. Allocated memory is still 371.2 MB. Free memory was 356.0 MB in the beginning and 355.0 MB in the end (delta: 965.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 248.21 ms. Allocated memory is still 371.2 MB. Free memory was 355.0 MB in the beginning and 342.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 943.23 ms. Allocated memory is still 371.2 MB. Free memory was 342.9 MB in the beginning and 288.5 MB in the end (delta: 54.4 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 774.7ms, 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 - 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: 820.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 6.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 810.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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...