/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/pthreads/pthreadExitNull-safe.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:49:56,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:49:56,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:49:56,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:49:56,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:49:56,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:49:56,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:49:56,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:49:56,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:49:56,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:49:56,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:49:56,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:49:56,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:49:56,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:49:56,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:49:56,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:49:56,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:49:56,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:49:56,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:49:56,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:49:56,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:49:56,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:49:56,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:49:56,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:49:56,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:49:56,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:49:56,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:49:56,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:49:56,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:49:56,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:49:56,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:49:56,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:49:56,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:49:56,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:49:56,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:49:56,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:49:56,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:49:56,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:49:56,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:49:56,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:49:56,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:49:56,886 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-17 10:49:56,900 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:49:56,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:49:56,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:49:56,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:49:56,902 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:49:56,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:49:56,902 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:49:56,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:49:56,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:49:56,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:49:56,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:49:56,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:49:56,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:49:56,904 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:49:56,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:49:56,904 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:49:56,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:49:56,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:49:56,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:49:56,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:49:56,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:49:56,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:49:56,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:49:56,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:49:56,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:49:56,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:49:56,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:49:56,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:49:56,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-17 10:49:56,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:49:57,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:49:57,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:49:57,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:49:57,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:49:57,209 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:49:57,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/pthreadExitNull-safe.c [2019-12-17 10:49:57,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119cdf0fe/bfe29863c3c3464aa46a3898ab4bcf26/FLAGf194d8de8 [2019-12-17 10:49:57,732 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:49:57,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/pthreadExitNull-safe.c [2019-12-17 10:49:57,733 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:57,733 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:57,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119cdf0fe/bfe29863c3c3464aa46a3898ab4bcf26/FLAGf194d8de8 [2019-12-17 10:49:58,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119cdf0fe/bfe29863c3c3464aa46a3898ab4bcf26 [2019-12-17 10:49:58,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:49:58,126 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:49:58,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:58,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:49:58,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:49:58,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796bae66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58, skipping insertion in model container [2019-12-17 10:49:58,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:49:58,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:49:58,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:58,438 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:49:58,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:58,465 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:49:58,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58 WrapperNode [2019-12-17 10:49:58,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:58,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:58,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:49:58,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:49:58,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:58,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:49:58,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:49:58,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:49:58,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (1/1) ... [2019-12-17 10:49:58,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:49:58,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:49:58,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:49:58,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:49:58,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (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 [2019-12-17 10:49:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:49:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-12-17 10:49:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-12-17 10:49:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:49:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:49:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-17 10:49:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:49:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:49:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:49:58,576 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-17 10:49:58,835 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:49:58,836 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:49:58,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:58 BoogieIcfgContainer [2019-12-17 10:49:58,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:49:58,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:49:58,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:49:58,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:49:58,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:49:58" (1/3) ... [2019-12-17 10:49:58,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24685827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:58, skipping insertion in model container [2019-12-17 10:49:58,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:58" (2/3) ... [2019-12-17 10:49:58,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24685827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:58, skipping insertion in model container [2019-12-17 10:49:58,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:58" (3/3) ... [2019-12-17 10:49:58,860 INFO L109 eAbstractionObserver]: Analyzing ICFG pthreadExitNull-safe.c [2019-12-17 10:49:58,868 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:49:58,868 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:49:58,873 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-17 10:49:58,874 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:49:58,898 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,898 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,898 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,899 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,899 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,899 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,899 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,900 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,900 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,900 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,900 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,901 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,901 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,901 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,901 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,901 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,902 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,902 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,903 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,903 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,906 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,907 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,907 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,907 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,907 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,908 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,908 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,908 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:58,935 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-17 10:49:58,950 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:49:58,950 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:49:58,951 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:49:58,951 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:49:58,951 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:49:58,951 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:49:58,951 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:49:58,951 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:49:58,964 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 31 transitions [2019-12-17 10:49:58,967 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 35 places, 31 transitions [2019-12-17 10:49:58,994 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2019-12-17 10:49:58,994 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:58,999 INFO L76 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs. 6/36 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2019-12-17 10:49:59,001 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 35 places, 31 transitions [2019-12-17 10:49:59,016 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2019-12-17 10:49:59,016 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:59,018 INFO L76 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs. 6/36 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2019-12-17 10:49:59,022 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 36 [2019-12-17 10:49:59,025 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:49:59,754 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-12-17 10:49:59,799 INFO L206 etLargeBlockEncoding]: Checked pairs total: 23 [2019-12-17 10:49:59,799 INFO L214 etLargeBlockEncoding]: Total number of compositions: 24 [2019-12-17 10:49:59,804 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 10 places, 7 transitions [2019-12-17 10:49:59,812 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8 states. [2019-12-17 10:49:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-12-17 10:49:59,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:49:59,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:49:59 BasicIcfg [2019-12-17 10:49:59,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:49:59,826 INFO L168 Benchmark]: Toolchain (without parser) took 1699.53 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 100.3 MB in the beginning and 196.8 MB in the end (delta: -96.5 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:59,827 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-17 10:49:59,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.89 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 178.7 MB in the end (delta: -78.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:59,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.99 ms. Allocated memory is still 201.3 MB. Free memory was 178.7 MB in the beginning and 177.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:59,830 INFO L168 Benchmark]: Boogie Preprocessor took 17.41 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 176.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:59,831 INFO L168 Benchmark]: RCFGBuilder took 324.30 ms. Allocated memory is still 201.3 MB. Free memory was 176.0 MB in the beginning and 161.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:59,832 INFO L168 Benchmark]: TraceAbstraction took 985.67 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 161.2 MB in the beginning and 196.8 MB in the end (delta: -35.5 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:59,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 337.89 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 178.7 MB in the end (delta: -78.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 28.99 ms. Allocated memory is still 201.3 MB. Free memory was 178.7 MB in the beginning and 177.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.41 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 176.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.30 ms. Allocated memory is still 201.3 MB. Free memory was 176.0 MB in the beginning and 161.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 985.67 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 161.2 MB in the beginning and 196.8 MB in the end (delta: -35.5 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 35 ProgramPointsBefore, 10 ProgramPointsAfterwards, 31 TransitionsBefore, 7 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 17 VarBasedMoverChecksPositive, 2 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 2 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 23 CheckedPairsTotal, 24 TotalNumberOfCompositions - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 0 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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...