/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/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:49:47,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:49:47,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:49:47,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:49:48,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:49:48,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:49:48,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:49:48,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:49:48,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:49:48,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:49:48,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:49:48,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:49:48,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:49:48,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:49:48,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:49:48,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:49:48,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:49:48,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:49:48,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:49:48,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:49:48,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:49:48,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:49:48,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:49:48,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:49:48,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:49:48,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:49:48,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:49:48,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:49:48,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:49:48,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:49:48,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:49:48,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:49:48,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:49:48,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:49:48,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:49:48,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:49:48,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:49:48,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:49:48,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:49:48,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:49:48,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:49:48,058 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 10:49:48,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:49:48,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:49:48,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:49:48,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:49:48,095 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:49:48,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:49:48,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:49:48,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:49:48,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:49:48,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:49:48,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:49:48,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:49:48,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:49:48,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:49:48,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:49:48,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:49:48,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:49:48,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:49:48,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:49:48,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:49:48,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:49:48,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:49:48,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:49:48,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:49:48,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:49:48,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:49:48,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:49:48,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:49:48,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-17 10:49:48,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:49:48,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:49:48,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:49:48,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:49:48,387 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:49:48,387 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:49:48,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/ex1.c [2019-12-17 10:49:48,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea3784cd/a3c88c14b4524c608040d16639975590/FLAG2cb632599 [2019-12-17 10:49:48,945 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:49:48,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/ex1.c [2019-12-17 10:49:48,946 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:48,946 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:48,948 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:48,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea3784cd/a3c88c14b4524c608040d16639975590/FLAG2cb632599 [2019-12-17 10:49:49,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea3784cd/a3c88c14b4524c608040d16639975590 [2019-12-17 10:49:49,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:49:49,333 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:49:49,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:49,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:49:49,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:49:49,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226c5224 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 10:49:49,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:49" (1/1) ... [2019-12-17 10:49:49,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:49:49,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:49:49,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:49,550 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:49:49,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:49:49,579 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:49:49,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:49 WrapperNode [2019-12-17 10:49:49,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:49,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:49,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:49:49,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:49:49,588 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 10:49:49,681 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 10:49:49,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:49:49,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:49:49,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:49:49,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:49:49,709 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 10:49:49,709 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 10:49:49,710 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 10:49:49,711 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 10:49:49,714 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 10:49:49,715 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 10:49:49,716 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 10:49:49,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:49:49,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:49:49,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:49:49,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:49:49,720 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 10:49:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:49:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2019-12-17 10:49:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2019-12-17 10:49:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:49:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:49:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:49:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-17 10:49:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:49:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:49:49,776 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 10:49:50,014 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:49:50,015 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:49:50,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:50 BoogieIcfgContainer [2019-12-17 10:49:50,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:49:50,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:49:50,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:49:50,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:49:50,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:49:49" (1/3) ... [2019-12-17 10:49:50,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6057755e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:50, skipping insertion in model container [2019-12-17 10:49:50,031 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 10:49:50,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6057755e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:49:50, skipping insertion in model container [2019-12-17 10:49:50,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:49:50" (3/3) ... [2019-12-17 10:49:50,034 INFO L109 eAbstractionObserver]: Analyzing ICFG ex1.c [2019-12-17 10:49:50,047 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:49:50,047 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:49:50,053 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-17 10:49:50,053 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:49:50,076 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,076 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,077 WARN L315 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,077 WARN L315 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,078 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,078 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,081 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,082 WARN L315 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,082 WARN L315 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,082 WARN L315 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:49:50,104 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-17 10:49:50,120 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 10:49:50,121 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:49:50,121 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:49:50,121 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:49:50,121 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:49:50,121 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:49:50,133 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 25 transitions [2019-12-17 10:49:50,134 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions [2019-12-17 10:49:50,161 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2019-12-17 10:49:50,162 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:50,165 INFO L76 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 0/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs. 6/30 useless extension candidates. Maximal degree in co-relation 9. Up to 2 conditions per place. [2019-12-17 10:49:50,167 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions [2019-12-17 10:49:50,175 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2019-12-17 10:49:50,175 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:49:50,175 INFO L76 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 0/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs. 6/30 useless extension candidates. Maximal degree in co-relation 9. Up to 2 conditions per place. [2019-12-17 10:49:50,176 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 12 [2019-12-17 10:49:50,177 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:49:50,695 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-12-17 10:49:50,953 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6 [2019-12-17 10:49:50,953 INFO L214 etLargeBlockEncoding]: Total number of compositions: 18 [2019-12-17 10:49:50,958 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 10 places, 7 transitions [2019-12-17 10:49:50,974 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8 states. [2019-12-17 10:49:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-12-17 10:49:50,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:49:50,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:49:50 BasicIcfg [2019-12-17 10:49:50,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:49:50,990 INFO L168 Benchmark]: Toolchain (without parser) took 1656.91 ms. Allocated memory was 145.8 MB in the beginning and 235.4 MB in the end (delta: 89.7 MB). Free memory was 102.2 MB in the beginning and 208.7 MB in the end (delta: -106.5 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,991 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 145.8 MB. Free memory is still 120.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-17 10:49:50,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.40 ms. Allocated memory is still 145.8 MB. Free memory was 101.8 MB in the beginning and 91.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.24 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 91.9 MB in the beginning and 181.5 MB in the end (delta: -89.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,994 INFO L168 Benchmark]: Boogie Preprocessor took 17.58 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 180.6 MB in the end (delta: 917.4 kB). Peak memory consumption was 917.4 kB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,995 INFO L168 Benchmark]: RCFGBuilder took 298.26 ms. Allocated memory is still 203.4 MB. Free memory was 180.2 MB in the beginning and 166.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:50,996 INFO L168 Benchmark]: TraceAbstraction took 963.72 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 208.7 MB in the end (delta: -41.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:49:51,001 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 145.8 MB. Free memory is still 120.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.40 ms. Allocated memory is still 145.8 MB. Free memory was 101.8 MB in the beginning and 91.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 120.24 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 91.9 MB in the beginning and 181.5 MB in the end (delta: -89.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.58 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 180.6 MB in the end (delta: 917.4 kB). Peak memory consumption was 917.4 kB. Max. memory is 7.1 GB. * RCFGBuilder took 298.26 ms. Allocated memory is still 203.4 MB. Free memory was 180.2 MB in the beginning and 166.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 963.72 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 208.7 MB in the end (delta: -41.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 29 ProgramPointsBefore, 10 ProgramPointsAfterwards, 25 TransitionsBefore, 7 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6 CheckedPairsTotal, 18 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, 26 locations, 0 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...