/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-VariableLbe.epf -i ../../../trunk/examples/concurrent/pthreads/forkJoinInLoop.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:56:04,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:56:04,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:56:04,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:56:04,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:56:04,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:56:04,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:56:04,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:56:04,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:56:04,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:56:04,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:56:04,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:56:04,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:56:04,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:56:04,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:56:04,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:56:04,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:56:04,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:56:04,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:56:04,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:56:04,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:56:04,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:56:04,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:56:04,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:56:04,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:56:04,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:56:04,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:56:04,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:56:04,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:56:04,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:56:04,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:56:04,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:56:04,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:56:04,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:56:04,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:56:04,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:56:04,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:56:04,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:56:04,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:56:04,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:56:04,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:56:04,427 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-VariableLbe.epf [2019-12-17 10:56:04,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:56:04,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:56:04,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:56:04,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:56:04,448 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:56:04,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:56:04,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:56:04,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:56:04,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:56:04,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:56:04,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:56:04,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:56:04,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:56:04,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:56:04,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:56:04,451 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:56:04,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:56:04,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:56:04,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:56:04,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:56:04,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:56:04,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:56:04,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:56:04,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:56:04,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:56:04,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:56:04,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:56:04,454 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-17 10:56:04,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=FINITE_AUTOMATA [2019-12-17 10:56:04,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:56:04,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:56:04,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:56:04,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:56:04,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:56:04,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:56:04,797 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:56:04,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinInLoop.c [2019-12-17 10:56:04,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7387a2a58/fd0f2ca8fdcd412bb5ac4d33c335f0f8/FLAG7c552694d [2019-12-17 10:56:05,354 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:56:05,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkJoinInLoop.c [2019-12-17 10:56:05,355 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:56:05,355 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:56:05,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7387a2a58/fd0f2ca8fdcd412bb5ac4d33c335f0f8/FLAG7c552694d [2019-12-17 10:56:05,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7387a2a58/fd0f2ca8fdcd412bb5ac4d33c335f0f8 [2019-12-17 10:56:05,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:56:05,783 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:56:05,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:56:05,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:56:05,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:56:05,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:56:05" (1/1) ... [2019-12-17 10:56:05,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da6a15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:05, skipping insertion in model container [2019-12-17 10:56:05,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:56:05" (1/1) ... [2019-12-17 10:56:05,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:56:05,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:56:06,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:56:06,113 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:56:06,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:56:06,143 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:56:06,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06 WrapperNode [2019-12-17 10:56:06,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:56:06,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:56:06,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:56:06,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:56:06,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (1/1) ... [2019-12-17 10:56:06,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (1/1) ... [2019-12-17 10:56:06,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:56:06,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:56:06,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:56:06,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:56:06,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (1/1) ... [2019-12-17 10:56:06,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (1/1) ... [2019-12-17 10:56:06,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (1/1) ... [2019-12-17 10:56:06,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (1/1) ... [2019-12-17 10:56:06,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (1/1) ... [2019-12-17 10:56:06,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (1/1) ... [2019-12-17 10:56:06,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (1/1) ... [2019-12-17 10:56:06,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:56:06,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:56:06,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:56:06,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:56:06,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (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 10:56:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:56:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-12-17 10:56:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-12-17 10:56:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:56:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:56:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:56:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-17 10:56:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:56:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:56:06,277 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 10:56:06,540 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:56:06,540 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-17 10:56:06,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:56:06 BoogieIcfgContainer [2019-12-17 10:56:06,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:56:06,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:56:06,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:56:06,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:56:06,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:56:05" (1/3) ... [2019-12-17 10:56:06,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2285c534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:56:06, skipping insertion in model container [2019-12-17 10:56:06,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:06" (2/3) ... [2019-12-17 10:56:06,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2285c534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:56:06, skipping insertion in model container [2019-12-17 10:56:06,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:56:06" (3/3) ... [2019-12-17 10:56:06,551 INFO L109 eAbstractionObserver]: Analyzing ICFG forkJoinInLoop.c [2019-12-17 10:56:06,563 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:56:06,564 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:56:06,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-17 10:56:06,573 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:56:06,601 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,602 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,602 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,602 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,603 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,607 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,607 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,608 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,608 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,608 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:06,645 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-17 10:56:06,666 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:56:06,666 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:56:06,666 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:56:06,666 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:56:06,666 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:56:06,667 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:56:06,667 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:56:06,667 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:56:06,681 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 46 transitions [2019-12-17 10:56:06,688 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 46 transitions [2019-12-17 10:56:06,722 INFO L130 PetriNetUnfolder]: 2/45 cut-off events. [2019-12-17 10:56:06,722 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:06,727 INFO L76 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 45 events. 2/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs. 6/48 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2019-12-17 10:56:06,729 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 48 places, 46 transitions [2019-12-17 10:56:06,743 INFO L130 PetriNetUnfolder]: 2/45 cut-off events. [2019-12-17 10:56:06,743 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:06,744 INFO L76 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 45 events. 2/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs. 6/48 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2019-12-17 10:56:06,746 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 30 [2019-12-17 10:56:06,747 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-17 10:56:07,718 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-12-17 10:56:07,822 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17 [2019-12-17 10:56:07,822 INFO L214 etLargeBlockEncoding]: Total number of compositions: 37 [2019-12-17 10:56:07,826 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions [2019-12-17 10:56:07,834 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 10 states. [2019-12-17 10:56:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-12-17 10:56:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-17 10:56:07,842 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:56:07,843 INFO L411 BasicCegarLoop]: trace histogram [1, 1] [2019-12-17 10:56:07,843 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:56:07,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:56:07,850 INFO L82 PathProgramCache]: Analyzing trace with hash 5472, now seen corresponding path program 1 times [2019-12-17 10:56:07,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:56:07,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707411666] [2019-12-17 10:56:07,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:56:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:56:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:56:08,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707411666] [2019-12-17 10:56:08,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:56:08,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-17 10:56:08,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983132160] [2019-12-17 10:56:08,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-17 10:56:08,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:56:08,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-17 10:56:08,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-17 10:56:08,026 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2019-12-17 10:56:08,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:56:08,050 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-12-17 10:56:08,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-17 10:56:08,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-12-17 10:56:08,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:56:08,063 INFO L225 Difference]: With dead ends: 10 [2019-12-17 10:56:08,063 INFO L226 Difference]: Without dead ends: 10 [2019-12-17 10:56:08,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-17 10:56:08,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-12-17 10:56:08,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-12-17 10:56:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-17 10:56:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-12-17 10:56:08,104 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 2 [2019-12-17 10:56:08,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:56:08,105 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-12-17 10:56:08,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-17 10:56:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-12-17 10:56:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-17 10:56:08,106 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:56:08,106 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:56:08,106 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:56:08,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:56:08,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1661058704, now seen corresponding path program 1 times [2019-12-17 10:56:08,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:56:08,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681934154] [2019-12-17 10:56:08,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:56:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:56:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:56:08,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681934154] [2019-12-17 10:56:08,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980976382] [2019-12-17 10:56:08,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-17 10:56:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:56:08,291 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-17 10:56:08,296 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-17 10:56:08,367 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:08,368 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 145 treesize of output 147 [2019-12-17 10:56:08,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:08,388 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:08,528 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 20 [2019-12-17 10:56:08,529 INFO L614 ElimStorePlain]: treesize reduction 435, result has 5.2 percent of original size [2019-12-17 10:56:08,533 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:56:08,533 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:12 [2019-12-17 10:56:08,559 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2019-12-17 10:56:08,560 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:08,569 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:08,571 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-17 10:56:08,571 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2019-12-17 10:56:08,619 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-12-17 10:56:08,620 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:08,633 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:08,635 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-17 10:56:08,635 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:19 [2019-12-17 10:56:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:56:08,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-17 10:56:08,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2019-12-17 10:56:08,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736420834] [2019-12-17 10:56:08,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-17 10:56:08,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:56:08,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-17 10:56:08,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-12-17 10:56:08,663 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 8 states. [2019-12-17 10:56:08,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:56:08,753 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2019-12-17 10:56:08,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-17 10:56:08,754 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2019-12-17 10:56:08,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:56:08,755 INFO L225 Difference]: With dead ends: 23 [2019-12-17 10:56:08,755 INFO L226 Difference]: Without dead ends: 23 [2019-12-17 10:56:08,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-12-17 10:56:08,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-12-17 10:56:08,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 17. [2019-12-17 10:56:08,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-17 10:56:08,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-12-17 10:56:08,761 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 8 [2019-12-17 10:56:08,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:56:08,762 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-12-17 10:56:08,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-17 10:56:08,762 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-12-17 10:56:08,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-17 10:56:08,763 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:56:08,763 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1] [2019-12-17 10:56:08,968 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-17 10:56:08,968 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:56:08,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:56:08,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1450458176, now seen corresponding path program 2 times [2019-12-17 10:56:08,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:56:08,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771108888] [2019-12-17 10:56:08,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:56:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:56:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:56:09,094 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:56:09,095 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:56:09,098 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [141] [141] ULTIMATE.startENTRY-->L23-4: Formula: (let ((.cse1 (store |v_#valid_45| 0 0))) (let ((.cse3 (store .cse1 |v_#t~string3.base_5| 1))) (let ((.cse2 (store .cse3 |v_#t~string7.base_5| 1))) (let ((.cse0 (store .cse2 |v_ULTIMATE.start_main_~#thread_id~0.base_20| 1))) (and (= |v_ULTIMATE.start_main_~#thread_id~0.offset_17| 0) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#thread_id~0.base_20|) (= 0 |v_#NULL.base_4|) (= 0 |v_#t~string3.offset_5|) (= (select .cse0 |v_ULTIMATE.start_main_~#x~0.base_35|) 0) (= 0 (select .cse1 |v_#t~string3.base_5|)) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#x~0.base_35|) (= |v_#length_25| (store (store (store (store |v_#length_27| |v_#t~string3.base_5| 31) |v_#t~string7.base_5| 31) |v_ULTIMATE.start_main_~#thread_id~0.base_20| 4) |v_ULTIMATE.start_main_~#x~0.base_35| 4)) (< |v_#StackHeapBarrier_13| |v_#t~string7.base_5|) (= |v_#NULL.offset_4| 0) (= 0 (select .cse2 |v_ULTIMATE.start_main_~#thread_id~0.base_20|)) (= 0 (select .cse3 |v_#t~string7.base_5|)) (= 0 |v_ULTIMATE.start_main_~#x~0.offset_32|) (= 0 |v_#t~string7.offset_5|) (= (store .cse0 |v_ULTIMATE.start_main_~#x~0.base_35| 1) |v_#valid_43|) (= 1 (select (select |v_#memory_int_32| |v_ULTIMATE.start_main_~#x~0.base_35|) |v_ULTIMATE.start_main_~#x~0.offset_32|)) (< 0 |v_#StackHeapBarrier_13|) (< |v_#StackHeapBarrier_13| |v_#t~string3.base_5|)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_13|, #valid=|v_#valid_45|, #memory_int=|v_#memory_int_32|, #length=|v_#length_27|} OutVars{ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_35|, ULTIMATE.start_main_#t~post10=|v_ULTIMATE.start_main_#t~post10_13|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_7|, ULTIMATE.start_main_~#thread_id~0.offset=|v_ULTIMATE.start_main_~#thread_id~0.offset_17|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_7|, ULTIMATE.start_main_~#thread_id~0.base=|v_ULTIMATE.start_main_~#thread_id~0.base_20|, #NULL.base=|v_#NULL.base_4|, #t~string3.offset=|v_#t~string3.offset_5|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_32|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_12|, #StackHeapBarrier=|v_#StackHeapBarrier_13|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_10|, #t~string7.offset=|v_#t~string7.offset_5|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_10|, #valid=|v_#valid_43|, #memory_int=|v_#memory_int_32|, #length=|v_#length_25|, ULTIMATE.start_main_#t~mem0=|v_ULTIMATE.start_main_#t~mem0_17|, #t~string7.base=|v_#t~string7.base_5|, ULTIMATE.start_main_#t~mem5=|v_ULTIMATE.start_main_#t~mem5_12|, ULTIMATE.start_main_#t~mem4=|v_ULTIMATE.start_main_#t~mem4_10|, #t~string3.base=|v_#t~string3.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#x~0.base, ULTIMATE.start_main_#t~post10, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~#thread_id~0.offset, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~#thread_id~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_~#x~0.offset, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, #t~string7.offset, ULTIMATE.start_main_#res, #valid, #length, ULTIMATE.start_main_#t~mem0, #t~string7.base, ULTIMATE.start_main_#t~mem5, ULTIMATE.start_main_#t~mem4, #t~string3.base] because there is no mapped edge [2019-12-17 10:56:09,098 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [130] [130] L23-4-->L24-1: Formula: (and (= (store |v_#memory_int_24| |v_ULTIMATE.start_main_~#thread_id~0.base_15| (store (select |v_#memory_int_24| |v_ULTIMATE.start_main_~#thread_id~0.base_15|) |v_ULTIMATE.start_main_~#thread_id~0.offset_13| 0)) |v_#memory_int_23|) (< (select (select |v_#memory_int_24| |v_ULTIMATE.start_main_~#x~0.base_26|) |v_ULTIMATE.start_main_~#x~0.offset_24|) 3)) InVars {ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_26|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_24|, ULTIMATE.start_main_~#thread_id~0.offset=|v_ULTIMATE.start_main_~#thread_id~0.offset_13|, #memory_int=|v_#memory_int_24|, ULTIMATE.start_main_~#thread_id~0.base=|v_ULTIMATE.start_main_~#thread_id~0.base_15|} OutVars{ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_26|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_24|, ULTIMATE.start_main_~#thread_id~0.offset=|v_ULTIMATE.start_main_~#thread_id~0.offset_13|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_#t~mem0=|v_ULTIMATE.start_main_#t~mem0_11|, ULTIMATE.start_main_~#thread_id~0.base=|v_ULTIMATE.start_main_~#thread_id~0.base_15|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~mem0] because there is no mapped edge [2019-12-17 10:56:09,099 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [134] [134] fooENTRY-->fooEXIT: Formula: (and (= 4 v_fooThread1of1ForFork0_~y~0_5) (= |v_fooThread1of1ForFork0_#in~i.offset_4| v_fooThread1of1ForFork0_~i.offset_4) (= v_fooThread1of1ForFork0_~i.base_4 |v_fooThread1of1ForFork0_#in~i.base_4|)) InVars {fooThread1of1ForFork0_#in~i.base=|v_fooThread1of1ForFork0_#in~i.base_4|, fooThread1of1ForFork0_#in~i.offset=|v_fooThread1of1ForFork0_#in~i.offset_4|} OutVars{fooThread1of1ForFork0_~i.offset=v_fooThread1of1ForFork0_~i.offset_4, fooThread1of1ForFork0_#in~i.base=|v_fooThread1of1ForFork0_#in~i.base_4|, fooThread1of1ForFork0_~y~0=v_fooThread1of1ForFork0_~y~0_5, fooThread1of1ForFork0_#in~i.offset=|v_fooThread1of1ForFork0_#in~i.offset_4|, fooThread1of1ForFork0_~i.base=v_fooThread1of1ForFork0_~i.base_4} AuxVars[] AssignedVars[fooThread1of1ForFork0_~i.offset, fooThread1of1ForFork0_~y~0, fooThread1of1ForFork0_~i.base] because there is no mapped edge [2019-12-17 10:56:09,099 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [138] [138] L24-2-->L26-1: Formula: (= |v_ULTIMATE.start_main_#t~mem5_10| (select (select |v_#memory_int_29| |v_ULTIMATE.start_main_~#thread_id~0.base_19|) |v_ULTIMATE.start_main_~#thread_id~0.offset_16|)) InVars {ULTIMATE.start_main_~#thread_id~0.offset=|v_ULTIMATE.start_main_~#thread_id~0.offset_16|, #memory_int=|v_#memory_int_29|, ULTIMATE.start_main_~#thread_id~0.base=|v_ULTIMATE.start_main_~#thread_id~0.base_19|} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~#thread_id~0.offset=|v_ULTIMATE.start_main_~#thread_id~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #memory_int=|v_#memory_int_29|, ULTIMATE.start_main_~#thread_id~0.base=|v_ULTIMATE.start_main_~#thread_id~0.base_19|, ULTIMATE.start_main_#t~mem5=|v_ULTIMATE.start_main_#t~mem5_10|, ULTIMATE.start_main_#t~mem4=|v_ULTIMATE.start_main_#t~mem4_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~mem5, ULTIMATE.start_main_#t~mem4] because there is no mapped edge [2019-12-17 10:56:09,100 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [143] [143] L26-2-->L23-4: Formula: (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#x~0.base_37| (let ((.cse0 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#x~0.base_37|))) (store .cse0 |v_ULTIMATE.start_main_~#x~0.offset_34| (+ (select .cse0 |v_ULTIMATE.start_main_~#x~0.offset_34|) 1)))) |v_#memory_int_33|) InVars {ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_37|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_34|, #memory_int=|v_#memory_int_34|} OutVars{ULTIMATE.start_main_#t~post10=|v_ULTIMATE.start_main_#t~post10_14|, ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_37|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_13|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_34|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_11|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_8|, ULTIMATE.start_main_#t~mem5=|v_ULTIMATE.start_main_#t~mem5_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post10, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, #memory_int, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~mem5] because there is no mapped edge [2019-12-17 10:56:09,100 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [130] [130] L23-4-->L24-1: Formula: (and (= (store |v_#memory_int_24| |v_ULTIMATE.start_main_~#thread_id~0.base_15| (store (select |v_#memory_int_24| |v_ULTIMATE.start_main_~#thread_id~0.base_15|) |v_ULTIMATE.start_main_~#thread_id~0.offset_13| 0)) |v_#memory_int_23|) (< (select (select |v_#memory_int_24| |v_ULTIMATE.start_main_~#x~0.base_26|) |v_ULTIMATE.start_main_~#x~0.offset_24|) 3)) InVars {ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_26|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_24|, ULTIMATE.start_main_~#thread_id~0.offset=|v_ULTIMATE.start_main_~#thread_id~0.offset_13|, #memory_int=|v_#memory_int_24|, ULTIMATE.start_main_~#thread_id~0.base=|v_ULTIMATE.start_main_~#thread_id~0.base_15|} OutVars{ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_26|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_24|, ULTIMATE.start_main_~#thread_id~0.offset=|v_ULTIMATE.start_main_~#thread_id~0.offset_13|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_#t~mem0=|v_ULTIMATE.start_main_#t~mem0_11|, ULTIMATE.start_main_~#thread_id~0.base=|v_ULTIMATE.start_main_~#thread_id~0.base_15|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~mem0] because there is no mapped edge [2019-12-17 10:56:09,100 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [134] [134] fooENTRY-->fooEXIT: Formula: (and (= 4 v_fooThread1of1ForFork0_~y~0_5) (= |v_fooThread1of1ForFork0_#in~i.offset_4| v_fooThread1of1ForFork0_~i.offset_4) (= v_fooThread1of1ForFork0_~i.base_4 |v_fooThread1of1ForFork0_#in~i.base_4|)) InVars {fooThread1of1ForFork0_#in~i.base=|v_fooThread1of1ForFork0_#in~i.base_4|, fooThread1of1ForFork0_#in~i.offset=|v_fooThread1of1ForFork0_#in~i.offset_4|} OutVars{fooThread1of1ForFork0_~i.offset=v_fooThread1of1ForFork0_~i.offset_4, fooThread1of1ForFork0_#in~i.base=|v_fooThread1of1ForFork0_#in~i.base_4|, fooThread1of1ForFork0_~y~0=v_fooThread1of1ForFork0_~y~0_5, fooThread1of1ForFork0_#in~i.offset=|v_fooThread1of1ForFork0_#in~i.offset_4|, fooThread1of1ForFork0_~i.base=v_fooThread1of1ForFork0_~i.base_4} AuxVars[] AssignedVars[fooThread1of1ForFork0_~i.offset, fooThread1of1ForFork0_~y~0, fooThread1of1ForFork0_~i.base] because there is no mapped edge [2019-12-17 10:56:09,101 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [138] [138] L24-2-->L26-1: Formula: (= |v_ULTIMATE.start_main_#t~mem5_10| (select (select |v_#memory_int_29| |v_ULTIMATE.start_main_~#thread_id~0.base_19|) |v_ULTIMATE.start_main_~#thread_id~0.offset_16|)) InVars {ULTIMATE.start_main_~#thread_id~0.offset=|v_ULTIMATE.start_main_~#thread_id~0.offset_16|, #memory_int=|v_#memory_int_29|, ULTIMATE.start_main_~#thread_id~0.base=|v_ULTIMATE.start_main_~#thread_id~0.base_19|} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~#thread_id~0.offset=|v_ULTIMATE.start_main_~#thread_id~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #memory_int=|v_#memory_int_29|, ULTIMATE.start_main_~#thread_id~0.base=|v_ULTIMATE.start_main_~#thread_id~0.base_19|, ULTIMATE.start_main_#t~mem5=|v_ULTIMATE.start_main_#t~mem5_10|, ULTIMATE.start_main_#t~mem4=|v_ULTIMATE.start_main_#t~mem4_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~mem5, ULTIMATE.start_main_#t~mem4] because there is no mapped edge [2019-12-17 10:56:09,101 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [143] [143] L26-2-->L23-4: Formula: (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#x~0.base_37| (let ((.cse0 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#x~0.base_37|))) (store .cse0 |v_ULTIMATE.start_main_~#x~0.offset_34| (+ (select .cse0 |v_ULTIMATE.start_main_~#x~0.offset_34|) 1)))) |v_#memory_int_33|) InVars {ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_37|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_34|, #memory_int=|v_#memory_int_34|} OutVars{ULTIMATE.start_main_#t~post10=|v_ULTIMATE.start_main_#t~post10_14|, ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_37|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_13|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_34|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_11|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_8|, ULTIMATE.start_main_#t~mem5=|v_ULTIMATE.start_main_#t~mem5_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post10, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, #memory_int, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~mem5] because there is no mapped edge [2019-12-17 10:56:09,101 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [140] [140] L23-4-->ULTIMATE.startErr0ASSERT_VIOLATIONASSERT: Formula: (<= 3 (select (select |v_#memory_int_31| |v_ULTIMATE.start_main_~#x~0.base_34|) |v_ULTIMATE.start_main_~#x~0.offset_31|)) InVars {ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_34|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_31|, #memory_int=|v_#memory_int_31|} OutVars{ULTIMATE.start_main_~#x~0.base=|v_ULTIMATE.start_main_~#x~0.base_34|, ULTIMATE.start_main_~#x~0.offset=|v_ULTIMATE.start_main_~#x~0.offset_31|, #memory_int=|v_#memory_int_31|, ULTIMATE.start_main_#t~mem0=|v_ULTIMATE.start_main_#t~mem0_16|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem0] because there is no mapped edge [2019-12-17 10:56:09,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:56:09 BasicIcfg [2019-12-17 10:56:09,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:56:09,122 INFO L168 Benchmark]: Toolchain (without parser) took 3339.20 ms. Allocated memory was 136.8 MB in the beginning and 230.7 MB in the end (delta: 93.8 MB). Free memory was 99.6 MB in the beginning and 79.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 113.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:09,123 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-17 10:56:09,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.71 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.2 MB in the beginning and 178.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:09,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.06 ms. Allocated memory is still 200.8 MB. Free memory was 177.4 MB in the beginning and 176.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:09,126 INFO L168 Benchmark]: Boogie Preprocessor took 24.27 ms. Allocated memory is still 200.8 MB. Free memory was 176.1 MB in the beginning and 174.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:09,126 INFO L168 Benchmark]: RCFGBuilder took 334.84 ms. Allocated memory is still 200.8 MB. Free memory was 174.8 MB in the beginning and 158.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:09,127 INFO L168 Benchmark]: TraceAbstraction took 2576.17 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 158.0 MB in the beginning and 79.6 MB in the end (delta: 78.3 MB). Peak memory consumption was 108.2 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:09,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 359.71 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.2 MB in the beginning and 178.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.06 ms. Allocated memory is still 200.8 MB. Free memory was 177.4 MB in the beginning and 176.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.27 ms. Allocated memory is still 200.8 MB. Free memory was 176.1 MB in the beginning and 174.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 334.84 ms. Allocated memory is still 200.8 MB. Free memory was 174.8 MB in the beginning and 158.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2576.17 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 158.0 MB in the beginning and 79.6 MB in the end (delta: 78.3 MB). Peak memory consumption was 108.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 48 ProgramPointsBefore, 12 ProgramPointsAfterwards, 46 TransitionsBefore, 10 TransitionsAfterwards, 30 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 14 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 17 CheckedPairsTotal, 37 TotalNumberOfCompositions - CounterExampleResult [Line: 30]: assertion can be violated assertion can be violated We found a FailurePath: [L24] FCALL, FORK 0 pthread_create(&thread_id, NULL, foo, &x) VAL [i={8:0}] [L26] FCALL, JOIN 1 pthread_join(thread_id, NULL) VAL [i={8:0}, i={8:0}, y=4] [L24] FCALL, FORK 0 pthread_create(&thread_id, NULL, foo, &x) VAL [i={8:0}] [L26] FCALL, JOIN 1 pthread_join(thread_id, NULL) VAL [i={8:0}, i={8:0}, y=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 20 SDslu, 10 SDs, 0 SdLazy, 35 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 6 QuantifiedInterpolants, 1456 SizeOfPredicates, 4 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...