/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/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:49:53,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:49:53,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:49:53,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:49:53,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:49:53,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:49:53,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:49:53,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:49:53,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:49:53,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:49:53,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:49:53,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:49:53,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:49:53,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:49:53,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:49:53,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:49:53,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:49:53,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:49:53,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:49:53,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:49:53,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:49:53,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:49:53,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:49:53,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:49:53,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:49:53,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:49:53,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:49:53,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:49:53,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:49:53,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:49:53,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:49:53,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:49:53,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:49:53,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:49:53,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:49:53,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:49:53,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:49:53,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:49:53,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:49:53,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:49:53,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:49:53,268 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 10:49:53,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:49:53,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:49:53,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:49:53,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:49:53,285 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:49:53,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:49:53,285 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:49:53,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:49:53,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:49:53,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:49:53,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:49:53,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:49:53,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:49:53,287 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:49:53,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:49:53,287 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:49:53,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:49:53,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:49:53,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:49:53,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:49:53,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:49:53,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:49:53,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:49:53,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:49:53,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:49:53,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:49:53,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:49:53,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:49:53,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-17 10:49:53,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:49:53,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:49:53,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:49:53,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:49:53,628 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:49:53,628 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:49:53,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2019-12-17 10:49:53,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2d39dd2/afe82025ac5c40e0bd7aa9565b9704e0/FLAG39bf9e09b [2019-12-17 10:49:54,148 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:49:54,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2019-12-17 10:49:54,149 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:54,149 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:54,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2d39dd2/afe82025ac5c40e0bd7aa9565b9704e0/FLAG39bf9e09b [2019-12-17 10:49:54,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f2d39dd2/afe82025ac5c40e0bd7aa9565b9704e0 [2019-12-17 10:49:54,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:49:54,557 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:49:54,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:54,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:49:54,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:49:54,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1151a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54, skipping insertion in model container [2019-12-17 10:49:54,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:49:54,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:49:54,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:54,807 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:49:54,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:54,834 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:49:54,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54 WrapperNode [2019-12-17 10:49:54,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:54,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:54,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:49:54,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:49:54,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:54,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:49:54,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:49:54,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:49:54,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (1/1) ... [2019-12-17 10:49:54,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:49:54,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:49:54,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:49:54,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:49:54,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (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 10:49:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:49:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-12-17 10:49:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-12-17 10:49:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:49:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:49:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:49:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:49:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:49:55,040 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 10:49:55,343 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:49:55,344 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:49:55,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:55 BoogieIcfgContainer [2019-12-17 10:49:55,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:49:55,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:49:55,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:49:55,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:49:55,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:49:54" (1/3) ... [2019-12-17 10:49:55,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b1da5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:55, skipping insertion in model container [2019-12-17 10:49:55,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:54" (2/3) ... [2019-12-17 10:49:55,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b1da5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:55, skipping insertion in model container [2019-12-17 10:49:55,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:55" (3/3) ... [2019-12-17 10:49:55,357 INFO L109 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2019-12-17 10:49:55,367 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:49:55,367 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:49:55,374 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-17 10:49:55,375 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:49:55,410 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,410 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,410 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,410 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,411 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,411 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,411 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,411 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,412 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,412 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,412 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,412 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,413 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,413 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,413 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,413 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,413 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,414 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,414 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,414 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,414 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,415 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,415 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,415 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,415 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,416 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,416 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,416 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,416 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,416 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,420 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,420 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,420 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,421 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,421 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,421 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,427 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,427 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,428 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,428 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,428 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,428 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,434 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,435 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,435 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,435 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,436 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,436 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:55,466 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-17 10:49:55,482 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:49:55,482 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:49:55,482 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:49:55,483 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:49:55,483 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:49:55,483 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:49:55,483 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:49:55,483 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:49:55,498 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions [2019-12-17 10:49:55,500 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions [2019-12-17 10:49:55,568 INFO L130 PetriNetUnfolder]: 5/64 cut-off events. [2019-12-17 10:49:55,568 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:55,578 INFO L76 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 64 events. 5/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 88 event pairs. 43/107 useless extension candidates. Maximal degree in co-relation 38. Up to 6 conditions per place. [2019-12-17 10:49:55,583 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions [2019-12-17 10:49:55,611 INFO L130 PetriNetUnfolder]: 5/64 cut-off events. [2019-12-17 10:49:55,611 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:55,613 INFO L76 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 64 events. 5/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 88 event pairs. 43/107 useless extension candidates. Maximal degree in co-relation 38. Up to 6 conditions per place. [2019-12-17 10:49:55,614 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 408 [2019-12-17 10:49:55,616 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:49:56,355 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-12-17 10:49:56,608 INFO L206 etLargeBlockEncoding]: Checked pairs total: 188 [2019-12-17 10:49:56,609 INFO L214 etLargeBlockEncoding]: Total number of compositions: 28 [2019-12-17 10:49:56,613 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 28 transitions [2019-12-17 10:49:56,639 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 87 states. [2019-12-17 10:49:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-12-17 10:49:56,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:49:56,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:49:56 BasicIcfg [2019-12-17 10:49:56,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:49:56,672 INFO L168 Benchmark]: Toolchain (without parser) took 2113.11 ms. Allocated memory was 143.1 MB in the beginning and 230.2 MB in the end (delta: 87.0 MB). Free memory was 100.9 MB in the beginning and 161.1 MB in the end (delta: -60.1 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:56,673 INFO L168 Benchmark]: CDTParser took 1.94 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-17 10:49:56,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.45 ms. Allocated memory is still 143.1 MB. Free memory was 100.5 MB in the beginning and 90.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:56,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.81 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 90.8 MB in the beginning and 178.8 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:56,680 INFO L168 Benchmark]: Boogie Preprocessor took 16.55 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 177.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:56,681 INFO L168 Benchmark]: RCFGBuilder took 365.78 ms. Allocated memory is still 200.8 MB. Free memory was 177.4 MB in the beginning and 162.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:56,683 INFO L168 Benchmark]: TraceAbstraction took 1320.50 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 162.1 MB in the beginning and 161.1 MB in the end (delta: 994.2 kB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:56,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.94 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.45 ms. Allocated memory is still 143.1 MB. Free memory was 100.5 MB in the beginning and 90.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 127.81 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 90.8 MB in the beginning and 178.8 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 16.55 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 177.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.78 ms. Allocated memory is still 200.8 MB. Free memory was 177.4 MB in the beginning and 162.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1320.50 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 162.1 MB in the beginning and 161.1 MB in the end (delta: 994.2 kB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 60 ProgramPointsBefore, 31 ProgramPointsAfterwards, 56 TransitionsBefore, 28 TransitionsAfterwards, 408 CoEnabledTransitionPairs, 5 FixpointIterations, 16 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 168 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 188 CheckedPairsTotal, 28 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, 41 locations, 0 error locations. Result: SAFE, OverallTime: 1.1s, 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=87occurred 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...