/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/forkForkSimple.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:49:47,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:49:47,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:49:47,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:49:47,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:49:47,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:49:47,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:49:47,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:49:47,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:49:47,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:49:47,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:49:47,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:49:47,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:49:47,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:49:47,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:49:47,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:49:47,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:49:47,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:49:47,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:49:47,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:49:47,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:49:47,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:49:47,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:49:47,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:49:47,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-17 10:49:47,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:49:47,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:49:47,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:49:47,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:49:48,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:49:48,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:49:48,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:49:48,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:49:48,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:49:48,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:49:48,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:49:48,004 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 10:49:48,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:49:48,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:49:48,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:49:48,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:49:48,020 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:49:48,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:49:48,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:49:48,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:49:48,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:49:48,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:49:48,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:49:48,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:49:48,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:49:48,022 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:49:48,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:49:48,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:49:48,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:49:48,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:49:48,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:49:48,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:49:48,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:49:48,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:49:48,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:49:48,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:49:48,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:49:48,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:49:48,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:49:48,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:49:48,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-17 10:49:48,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:49:48,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:49:48,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:49:48,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:49:48,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:49:48,339 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:49:48,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkForkSimple.c [2019-12-17 10:49:48,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a489e972/a1f99121974b47c097d8e5570550f5a9/FLAGbcc29fc5e [2019-12-17 10:49:48,886 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:49:48,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkForkSimple.c [2019-12-17 10:49:48,887 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:48,887 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:48,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a489e972/a1f99121974b47c097d8e5570550f5a9/FLAGbcc29fc5e [2019-12-17 10:49:49,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a489e972/a1f99121974b47c097d8e5570550f5a9 [2019-12-17 10:49:49,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:49:49,276 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:49:49,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:49,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:49:49,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:49:49,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7c6a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49, skipping insertion in model container [2019-12-17 10:49:49,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:49:49,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:49:49,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:49,486 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:49:49,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:49,518 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:49:49,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49 WrapperNode [2019-12-17 10:49:49,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:49,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:49,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:49:49,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:49:49,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:49,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:49:49,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:49:49,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:49:49,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:49:49,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:49:49,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:49:49,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:49:49,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (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 10:49:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:49:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2019-12-17 10:49:49,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2019-12-17 10:49:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-12-17 10:49:49,727 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-12-17 10:49:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:49:49,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:49:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:49:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:49:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:49:49,730 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 10:49:49,935 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:49:49,936 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:49:49,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:49 BoogieIcfgContainer [2019-12-17 10:49:49,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:49:49,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:49:49,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:49:49,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:49:49,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:49:49" (1/3) ... [2019-12-17 10:49:49,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ccf479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:49, skipping insertion in model container [2019-12-17 10:49:49,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49" (2/3) ... [2019-12-17 10:49:49,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ccf479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:49, skipping insertion in model container [2019-12-17 10:49:49,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:49" (3/3) ... [2019-12-17 10:49:49,946 INFO L109 eAbstractionObserver]: Analyzing ICFG forkForkSimple.c [2019-12-17 10:49:49,957 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:49:49,958 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:49:49,965 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-17 10:49:49,966 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:49:49,996 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:49,997 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:49,997 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:49,997 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:49,998 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:49,998 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:49,999 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:49,999 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:49,999 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:49,999 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,000 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,000 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,001 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,001 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,002 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,003 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,003 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,003 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,005 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,005 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,005 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,006 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,006 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,006 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,010 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,011 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,011 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,011 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,019 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,019 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,019 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,020 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,020 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,020 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,020 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,021 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,032 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,032 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,033 WARN L315 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,033 WARN L315 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,101 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-17 10:49:50,121 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:49:50,121 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:49:50,121 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:49:50,122 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:49:50,122 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:49:50,122 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:49:50,122 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:49:50,122 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:49:50,134 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 39 transitions [2019-12-17 10:49:50,136 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 39 transitions [2019-12-17 10:49:50,164 INFO L130 PetriNetUnfolder]: 1/31 cut-off events. [2019-12-17 10:49:50,164 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:50,174 INFO L76 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 31 events. 1/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs. 12/42 useless extension candidates. Maximal degree in co-relation 37. Up to 3 conditions per place. [2019-12-17 10:49:50,178 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 39 transitions [2019-12-17 10:49:50,198 INFO L130 PetriNetUnfolder]: 1/31 cut-off events. [2019-12-17 10:49:50,198 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:50,202 INFO L76 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 31 events. 1/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs. 12/42 useless extension candidates. Maximal degree in co-relation 37. Up to 3 conditions per place. [2019-12-17 10:49:50,204 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 204 [2019-12-17 10:49:50,205 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:49:50,917 INFO L206 etLargeBlockEncoding]: Checked pairs total: 122 [2019-12-17 10:49:50,918 INFO L214 etLargeBlockEncoding]: Total number of compositions: 24 [2019-12-17 10:49:50,922 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 19 places, 15 transitions [2019-12-17 10:49:50,931 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 20 states. [2019-12-17 10:49:50,933 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-12-17 10:49:50,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:49:50,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:49:50 BasicIcfg [2019-12-17 10:49:50,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:49:50,945 INFO L168 Benchmark]: Toolchain (without parser) took 1668.12 ms. Allocated memory was 144.7 MB in the beginning and 234.4 MB in the end (delta: 89.7 MB). Free memory was 102.2 MB in the beginning and 203.2 MB in the end (delta: -101.0 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,947 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.82 ms. Allocated memory is still 144.7 MB. Free memory was 102.0 MB in the beginning and 92.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.69 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 92.3 MB in the beginning and 180.4 MB in the end (delta: -88.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,950 INFO L168 Benchmark]: Boogie Preprocessor took 27.25 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 179.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,951 INFO L168 Benchmark]: RCFGBuilder took 266.45 ms. Allocated memory is still 201.9 MB. Free memory was 178.7 MB in the beginning and 164.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,952 INFO L168 Benchmark]: TraceAbstraction took 1003.53 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 164.1 MB in the beginning and 203.2 MB in the end (delta: -39.1 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,957 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.82 ms. Allocated memory is still 144.7 MB. Free memory was 102.0 MB in the beginning and 92.3 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 123.69 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 92.3 MB in the beginning and 180.4 MB in the end (delta: -88.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.25 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 179.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.45 ms. Allocated memory is still 201.9 MB. Free memory was 178.7 MB in the beginning and 164.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1003.53 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 164.1 MB in the beginning and 203.2 MB in the end (delta: -39.1 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 47 ProgramPointsBefore, 19 ProgramPointsAfterwards, 39 TransitionsBefore, 15 TransitionsAfterwards, 204 CoEnabledTransitionPairs, 4 FixpointIterations, 11 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 95 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 2 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 122 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 3 procedures, 33 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=20occurred 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...