/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-McrStrategy.epf -i ../../../trunk/examples/concurrent/pthreads/predecessorInAtomicBlockBug.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 16:01:23,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 16:01:23,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 16:01:23,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 16:01:23,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 16:01:23,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 16:01:23,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 16:01:23,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 16:01:23,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 16:01:23,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 16:01:23,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 16:01:23,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 16:01:23,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 16:01:23,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 16:01:23,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 16:01:23,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 16:01:23,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 16:01:23,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 16:01:23,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 16:01:23,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 16:01:23,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 16:01:23,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 16:01:23,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 16:01:23,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 16:01:23,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 16:01:23,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 16:01:23,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 16:01:23,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 16:01:23,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 16:01:23,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 16:01:23,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 16:01:23,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 16:01:23,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 16:01:23,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 16:01:23,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 16:01:23,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 16:01:23,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 16:01:23,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 16:01:23,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 16:01:23,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 16:01:23,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 16:01:23,567 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-McrStrategy.epf [2020-04-18 16:01:23,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 16:01:23,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 16:01:23,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 16:01:23,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 16:01:23,593 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 16:01:23,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 16:01:23,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 16:01:23,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 16:01:23,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 16:01:23,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 16:01:23,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 16:01:23,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 16:01:23,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 16:01:23,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 16:01:23,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 16:01:23,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 16:01:23,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 16:01:23,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 16:01:23,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 16:01:23,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 16:01:23,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 16:01:23,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 16:01:23,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 16:01:23,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 16:01:23,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 16:01:23,598 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 16:01:23,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 16:01:23,599 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 16:01:23,599 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 16:01:23,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 16:01:23,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 16:01:23,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 16:01:23,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 16:01:23,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 16:01:23,869 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 16:01:23,869 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 16:01:23,870 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/predecessorInAtomicBlockBug.c [2020-04-18 16:01:23,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46c75424/daa3958a96ed442ebe271a32d0564545/FLAG80165e5d6 [2020-04-18 16:01:24,368 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 16:01:24,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/predecessorInAtomicBlockBug.c [2020-04-18 16:01:24,369 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 16:01:24,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46c75424/daa3958a96ed442ebe271a32d0564545/FLAG80165e5d6 [2020-04-18 16:01:24,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e46c75424/daa3958a96ed442ebe271a32d0564545 [2020-04-18 16:01:24,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 16:01:24,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 16:01:24,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 16:01:24,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 16:01:24,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 16:01:24,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:01:24" (1/1) ... [2020-04-18 16:01:24,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da9b400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:24, skipping insertion in model container [2020-04-18 16:01:24,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:01:24" (1/1) ... [2020-04-18 16:01:24,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 16:01:24,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 16:01:25,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:01:25,098 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 16:01:25,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:01:25,125 INFO L208 MainTranslator]: Completed translation [2020-04-18 16:01:25,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25 WrapperNode [2020-04-18 16:01:25,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 16:01:25,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 16:01:25,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 16:01:25,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 16:01:25,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (1/1) ... [2020-04-18 16:01:25,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (1/1) ... [2020-04-18 16:01:25,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 16:01:25,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 16:01:25,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 16:01:25,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 16:01:25,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (1/1) ... [2020-04-18 16:01:25,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (1/1) ... [2020-04-18 16:01:25,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (1/1) ... [2020-04-18 16:01:25,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (1/1) ... [2020-04-18 16:01:25,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (1/1) ... [2020-04-18 16:01:25,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (1/1) ... [2020-04-18 16:01:25,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (1/1) ... [2020-04-18 16:01:25,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 16:01:25,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 16:01:25,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 16:01:25,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 16:01:25,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (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 [2020-04-18 16:01:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 16:01:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 16:01:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 16:01:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-04-18 16:01:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-04-18 16:01:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 16:01:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 16:01:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 16:01:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 16:01:25,234 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 16:01:25,432 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 16:01:25,433 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-04-18 16:01:25,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:01:25 BoogieIcfgContainer [2020-04-18 16:01:25,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 16:01:25,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 16:01:25,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 16:01:25,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 16:01:25,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:01:24" (1/3) ... [2020-04-18 16:01:25,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc374d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:01:25, skipping insertion in model container [2020-04-18 16:01:25,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:01:25" (2/3) ... [2020-04-18 16:01:25,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc374d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:01:25, skipping insertion in model container [2020-04-18 16:01:25,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:01:25" (3/3) ... [2020-04-18 16:01:25,468 INFO L109 eAbstractionObserver]: Analyzing ICFG predecessorInAtomicBlockBug.c [2020-04-18 16:01:25,492 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 16:01:25,492 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 16:01:25,499 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 16:01:25,500 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 16:01:25,520 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,520 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,521 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,521 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,521 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,522 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,525 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,526 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,526 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,526 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:01:25,545 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 16:01:25,560 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:01:25,560 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:01:25,560 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:01:25,560 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:01:25,561 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:01:25,561 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:01:25,561 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:01:25,561 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:01:25,573 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 22 transitions, 49 flow [2020-04-18 16:01:25,575 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 26 places, 22 transitions, 49 flow [2020-04-18 16:01:25,598 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2020-04-18 16:01:25,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 16:01:25,601 INFO L80 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2020-04-18 16:01:25,602 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 26 places, 22 transitions, 49 flow [2020-04-18 16:01:25,612 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2020-04-18 16:01:25,613 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 16:01:25,613 INFO L80 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2020-04-18 16:01:25,614 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 70 [2020-04-18 16:01:25,615 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 16:01:26,076 INFO L206 etLargeBlockEncoding]: Checked pairs total: 74 [2020-04-18 16:01:26,076 INFO L214 etLargeBlockEncoding]: Total number of compositions: 16 [2020-04-18 16:01:26,080 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 7 transitions, 19 flow [2020-04-18 16:01:26,087 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 11 states. [2020-04-18 16:01:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-04-18 16:01:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-04-18 16:01:26,095 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:01:26,096 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-04-18 16:01:26,097 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 16:01:26,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:26,103 INFO L82 PathProgramCache]: Analyzing trace with hash 94820, now seen corresponding path program 1 times [2020-04-18 16:01:26,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:01:26,110 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1730051976] [2020-04-18 16:01:26,125 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:26,137 INFO L259 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-04-18 16:01:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2020-04-18 16:01:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-04-18 16:01:26,139 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:01:26,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:26,141 INFO L82 PathProgramCache]: Analyzing trace with hash 94820, now seen corresponding path program 2 times [2020-04-18 16:01:26,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:26,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666116894] [2020-04-18 16:01:26,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:01:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:01:26,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666116894] [2020-04-18 16:01:26,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:01:26,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 16:01:26,269 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:01:26,269 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:26,270 INFO L259 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-04-18 16:01:26,271 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:01:26,278 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:01:26,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:01:26,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:01:26,284 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2020-04-18 16:01:26,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:26,288 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2020-04-18 16:01:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2020-04-18 16:01:26,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:01:26,290 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1730051976] [2020-04-18 16:01:26,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:01:26,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [1] total 1 [2020-04-18 16:01:26,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1730051976] [2020-04-18 16:01:26,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 16:01:26,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:01:26,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:01:26,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:01:26,298 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2020-04-18 16:01:26,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:26,315 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-04-18 16:01:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 16:01:26,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-04-18 16:01:26,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:01:26,326 INFO L225 Difference]: With dead ends: 12 [2020-04-18 16:01:26,326 INFO L226 Difference]: Without dead ends: 7 [2020-04-18 16:01:26,328 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:01:26,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-04-18 16:01:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-04-18 16:01:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-04-18 16:01:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-04-18 16:01:26,361 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 3 [2020-04-18 16:01:26,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:01:26,362 INFO L479 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-04-18 16:01:26,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 16:01:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-04-18 16:01:26,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 16:01:26,363 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:01:26,363 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-04-18 16:01:26,363 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONASSERT, fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-04-18 16:01:26,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:26,364 INFO L82 PathProgramCache]: Analyzing trace with hash 2939628, now seen corresponding path program 1 times [2020-04-18 16:01:26,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:01:26,364 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [206552959] [2020-04-18 16:01:26,365 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:26,365 INFO L259 McrAutomatonBuilder]: Finished intersection with 6 states and 6 transitions. [2020-04-18 16:01:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-04-18 16:01:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 16:01:26,366 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:01:26,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:26,367 INFO L82 PathProgramCache]: Analyzing trace with hash 2939478, now seen corresponding path program 2 times [2020-04-18 16:01:26,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:26,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649662124] [2020-04-18 16:01:26,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:01:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:01:26,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649662124] [2020-04-18 16:01:26,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:01:26,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 16:01:26,419 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:01:26,420 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:01:26,421 INFO L259 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-04-18 16:01:26,421 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:01:26,424 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:01:26,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:01:26,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:01:26,425 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2020-04-18 16:01:26,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:01:26,429 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 16:01:26,429 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 16:01:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-18 16:01:26,430 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 16:01:26,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:01:26,430 INFO L82 PathProgramCache]: Analyzing trace with hash 2939628, now seen corresponding path program 3 times [2020-04-18 16:01:26,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:01:26,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438459194] [2020-04-18 16:01:26,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:01:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:01:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:01:26,473 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:01:26,484 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:01:26,484 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:01:26,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:01:26 BasicIcfg [2020-04-18 16:01:26,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 16:01:26,508 INFO L168 Benchmark]: Toolchain (without parser) took 1745.24 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 100.0 MB in the beginning and 204.4 MB in the end (delta: -104.4 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:26,509 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 16:01:26,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.36 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.0 MB in the beginning and 179.7 MB in the end (delta: -81.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:26,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.25 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 178.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:26,512 INFO L168 Benchmark]: Boogie Preprocessor took 15.78 ms. Allocated memory is still 202.4 MB. Free memory was 177.7 MB in the beginning and 177.0 MB in the end (delta: 652.1 kB). Peak memory consumption was 652.1 kB. Max. memory is 7.1 GB. [2020-04-18 16:01:26,513 INFO L168 Benchmark]: RCFGBuilder took 262.81 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 164.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:26,514 INFO L168 Benchmark]: TraceAbstraction took 1065.14 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 204.4 MB in the end (delta: -41.0 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-04-18 16:01:26,518 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 344.36 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.0 MB in the beginning and 179.7 MB in the end (delta: -81.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 32.25 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 178.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 15.78 ms. Allocated memory is still 202.4 MB. Free memory was 177.7 MB in the beginning and 177.0 MB in the end (delta: 652.1 kB). Peak memory consumption was 652.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 262.81 ms. Allocated memory is still 202.4 MB. Free memory was 177.0 MB in the beginning and 164.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1065.14 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 204.4 MB in the end (delta: -41.0 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.5s, 26 ProgramPointsBefore, 11 ProgramPointsAfterwards, 22 TransitionsBefore, 7 TransitionsAfterwards, 70 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 33 VarBasedMoverChecksPositive, 6 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 74 CheckedPairsTotal, 16 TotalNumberOfCompositions - CounterExampleResult [Line: 19]: assertion can be violated assertion can be violated We found a FailurePath: [L16] 0 int x = 0; [L24] 0 pthread_t threadId; [L25] FCALL, FORK 0 pthread_create(&threadId, NULL, & foo, NULL) VAL [arg={0:0}, x=0] [L27] 0 x = x - 1 VAL [arg={0:0}, x=-1] [L19] 1 CodeAnnotStmt[Assertion] VAL [arg={0:0}, arg={0:0}, x=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...