/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:52:59,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:52:59,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:52:59,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:52:59,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:52:59,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:52:59,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:52:59,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:52:59,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:52:59,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:52:59,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:52:59,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:52:59,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:52:59,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:52:59,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:52:59,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:52:59,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:52:59,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:52:59,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:52:59,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:53:00,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:53:00,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:53:00,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:53:00,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:53:00,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:53:00,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:53:00,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:53:00,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:53:00,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:53:00,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:53:00,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:53:00,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:53:00,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:53:00,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:53:00,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:53:00,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:53:00,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:53:00,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:53:00,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:53:00,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:53:00,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:53:00,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2019-12-17 10:53:00,057 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:53:00,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:53:00,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:53:00,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:53:00,061 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:53:00,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:53:00,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:53:00,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:53:00,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:53:00,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:53:00,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:53:00,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:53:00,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:53:00,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:53:00,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:53:00,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:53:00,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:53:00,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:53:00,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:53:00,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:53:00,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:53:00,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:53:00,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:53:00,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:53:00,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:53:00,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:53:00,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:53:00,069 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=FINITE_AUTOMATA [2019-12-17 10:53:00,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:53:00,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:53:00,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:53:00,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:53:00,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:53:00,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:53:00,393 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:53:00,393 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2019-12-17 10:53:00,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9838c743/b19419daaa9d4fabb807da2345b79079/FLAGcd5ef830c [2019-12-17 10:53:00,886 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:53:00,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2019-12-17 10:53:00,887 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:53:00,887 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:53:00,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9838c743/b19419daaa9d4fabb807da2345b79079/FLAGcd5ef830c [2019-12-17 10:53:01,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9838c743/b19419daaa9d4fabb807da2345b79079 [2019-12-17 10:53:01,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:53:01,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:53:01,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:53:01,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:53:01,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:53:01,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b8ed6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01, skipping insertion in model container [2019-12-17 10:53:01,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:53:01,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:53:01,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:53:01,556 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:53:01,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:53:01,590 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:53:01,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01 WrapperNode [2019-12-17 10:53:01,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:53:01,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:53:01,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:53:01,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:53:01,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:53:01,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:53:01,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:53:01,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:53:01,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (1/1) ... [2019-12-17 10:53:01,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:53:01,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:53:01,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:53:01,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:53:01,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (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 10:53:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:53:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-12-17 10:53:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-12-17 10:53:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:53:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:53:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:53:01,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:53:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:53:01,887 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 10:53:02,191 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:53:02,191 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:53:02,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:53:02 BoogieIcfgContainer [2019-12-17 10:53:02,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:53:02,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:53:02,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:53:02,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:53:02,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:53:01" (1/3) ... [2019-12-17 10:53:02,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed8f8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:53:02, skipping insertion in model container [2019-12-17 10:53:02,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:01" (2/3) ... [2019-12-17 10:53:02,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed8f8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:53:02, skipping insertion in model container [2019-12-17 10:53:02,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:53:02" (3/3) ... [2019-12-17 10:53:02,200 INFO L109 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2019-12-17 10:53:02,209 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:53:02,209 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:53:02,220 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-17 10:53:02,221 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:53:02,270 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,270 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,270 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,271 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,271 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,272 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,272 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,272 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,273 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,273 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,273 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,274 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,274 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,274 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,274 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,274 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,275 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,275 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,275 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,276 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,276 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,276 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,277 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,277 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,277 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,277 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,278 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,278 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,278 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,278 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,282 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,283 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,283 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,283 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,283 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,284 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,290 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,290 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,291 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,291 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,291 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,291 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,296 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,296 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,296 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,296 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,297 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,297 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:02,330 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-17 10:53:02,353 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:53:02,353 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:53:02,353 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:53:02,353 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:53:02,353 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:53:02,353 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:53:02,354 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:53:02,354 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:53:02,367 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions [2019-12-17 10:53:02,369 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions [2019-12-17 10:53:02,418 INFO L130 PetriNetUnfolder]: 5/64 cut-off events. [2019-12-17 10:53:02,418 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:02,424 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 10:53:02,428 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions [2019-12-17 10:53:02,459 INFO L130 PetriNetUnfolder]: 5/64 cut-off events. [2019-12-17 10:53:02,460 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:02,460 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 10:53:02,462 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 408 [2019-12-17 10:53:02,465 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:53:03,206 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-12-17 10:53:03,447 INFO L206 etLargeBlockEncoding]: Checked pairs total: 188 [2019-12-17 10:53:03,448 INFO L214 etLargeBlockEncoding]: Total number of compositions: 28 [2019-12-17 10:53:03,451 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 28 transitions [2019-12-17 10:53:03,469 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 87 states. [2019-12-17 10:53:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-12-17 10:53:03,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:53:03,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:53:03 BasicIcfg [2019-12-17 10:53:03,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:53:03,486 INFO L168 Benchmark]: Toolchain (without parser) took 2155.10 ms. Allocated memory was 138.9 MB in the beginning and 234.4 MB in the end (delta: 95.4 MB). Free memory was 102.2 MB in the beginning and 163.5 MB in the end (delta: -61.3 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:03,487 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-17 10:53:03,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.58 ms. Allocated memory is still 138.9 MB. Free memory was 101.8 MB in the beginning and 92.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:03,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 200.74 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 92.1 MB in the beginning and 184.5 MB in the end (delta: -92.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:03,490 INFO L168 Benchmark]: Boogie Preprocessor took 20.71 ms. Allocated memory is still 206.6 MB. Free memory was 184.5 MB in the beginning and 182.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:03,491 INFO L168 Benchmark]: RCFGBuilder took 379.22 ms. Allocated memory is still 206.6 MB. Free memory was 182.7 MB in the beginning and 167.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:03,492 INFO L168 Benchmark]: TraceAbstraction took 1289.36 ms. Allocated memory was 206.6 MB in the beginning and 234.4 MB in the end (delta: 27.8 MB). Free memory was 167.7 MB in the beginning and 163.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:03,497 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.58 ms. Allocated memory is still 138.9 MB. Free memory was 101.8 MB in the beginning and 92.1 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 200.74 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 92.1 MB in the beginning and 184.5 MB in the end (delta: -92.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.71 ms. Allocated memory is still 206.6 MB. Free memory was 184.5 MB in the beginning and 182.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.22 ms. Allocated memory is still 206.6 MB. Free memory was 182.7 MB in the beginning and 167.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1289.36 ms. Allocated memory was 206.6 MB in the beginning and 234.4 MB in the end (delta: 27.8 MB). Free memory was 167.7 MB in the beginning and 163.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 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...