/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 22:52:52,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 22:52:52,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 22:52:53,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 22:52:53,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 22:52:53,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 22:52:53,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 22:52:53,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 22:52:53,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 22:52:53,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 22:52:53,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 22:52:53,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 22:52:53,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 22:52:53,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 22:52:53,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 22:52:53,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 22:52:53,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 22:52:53,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 22:52:53,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 22:52:53,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 22:52:53,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 22:52:53,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 22:52:53,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 22:52:53,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 22:52:53,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 22:52:53,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 22:52:53,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 22:52:53,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 22:52:53,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 22:52:53,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 22:52:53,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 22:52:53,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 22:52:53,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 22:52:53,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 22:52:53,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 22:52:53,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 22:52:53,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 22:52:53,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 22:52:53,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 22:52:53,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 22:52:53,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 22:52:53,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-04-17 22:52:53,097 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 22:52:53,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 22:52:53,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 22:52:53,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 22:52:53,102 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 22:52:53,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 22:52:53,102 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 22:52:53,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 22:52:53,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 22:52:53,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 22:52:53,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 22:52:53,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 22:52:53,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 22:52:53,105 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 22:52:53,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 22:52:53,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 22:52:53,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 22:52:53,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 22:52:53,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 22:52:53,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 22:52:53,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 22:52:53,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 22:52:53,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 22:52:53,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 22:52:53,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 22:52:53,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 22:52:53,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 22:52:53,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 22:52:53,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 22:52:53,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 22:52:53,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 22:52:53,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 22:52:53,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 22:52:53,399 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 22:52:53,399 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-04-17 22:52:53,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cdc4c04/207ccd5d69a947c58567961e3c16d5a4/FLAG8288ee959 [2020-04-17 22:52:53,974 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 22:52:53,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-04-17 22:52:53,977 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-17 22:52:53,977 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-17 22:52:54,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cdc4c04/207ccd5d69a947c58567961e3c16d5a4/FLAG8288ee959 [2020-04-17 22:52:54,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cdc4c04/207ccd5d69a947c58567961e3c16d5a4 [2020-04-17 22:52:54,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 22:52:54,376 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 22:52:54,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 22:52:54,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 22:52:54,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 22:52:54,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a34ad91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54, skipping insertion in model container [2020-04-17 22:52:54,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 22:52:54,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 22:52:54,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:52:54,684 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 22:52:54,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:52:54,718 INFO L208 MainTranslator]: Completed translation [2020-04-17 22:52:54,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54 WrapperNode [2020-04-17 22:52:54,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 22:52:54,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 22:52:54,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 22:52:54,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 22:52:54,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 22:52:54,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 22:52:54,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 22:52:54,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 22:52:54,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (1/1) ... [2020-04-17 22:52:54,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 22:52:54,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 22:52:54,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 22:52:54,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 22:52:54,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (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 [2020-04-17 22:52:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 22:52:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-04-17 22:52:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-04-17 22:52:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2020-04-17 22:52:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2020-04-17 22:52:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 22:52:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 22:52:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 22:52:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 22:52:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-17 22:52:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 22:52:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 22:52:54,847 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 22:52:55,239 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 22:52:55,240 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-04-17 22:52:55,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:52:55 BoogieIcfgContainer [2020-04-17 22:52:55,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 22:52:55,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 22:52:55,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 22:52:55,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 22:52:55,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 10:52:54" (1/3) ... [2020-04-17 22:52:55,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3318bd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:52:55, skipping insertion in model container [2020-04-17 22:52:55,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:52:54" (2/3) ... [2020-04-17 22:52:55,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3318bd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:52:55, skipping insertion in model container [2020-04-17 22:52:55,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:52:55" (3/3) ... [2020-04-17 22:52:55,253 INFO L109 eAbstractionObserver]: Analyzing ICFG forkJoinNotMod.c [2020-04-17 22:52:55,264 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 22:52:55,265 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 22:52:55,272 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-04-17 22:52:55,273 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 22:52:55,304 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,304 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,304 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,305 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,305 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,305 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,305 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,306 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,306 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,306 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,306 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,307 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,307 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,307 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,307 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,307 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,308 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,308 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,308 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,309 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,309 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,309 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,309 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,310 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,310 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,310 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,310 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,310 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,311 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,311 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,311 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,311 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,312 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,312 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,312 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,312 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,312 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,313 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,313 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,313 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,313 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,314 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,314 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,314 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,314 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,314 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,314 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,315 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,315 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,315 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,316 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,316 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,316 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,316 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,316 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,317 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,317 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,317 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,317 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,317 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,318 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,318 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,318 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,318 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,319 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,319 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,319 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,319 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,320 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,320 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,324 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,325 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,325 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,325 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,326 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,330 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,330 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,330 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,330 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,331 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,331 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,332 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,333 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,333 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,334 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,334 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,335 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,336 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,336 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,336 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,336 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,337 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,337 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:52:55,372 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-17 22:52:55,389 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 22:52:55,390 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 22:52:55,390 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 22:52:55,390 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 22:52:55,390 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 22:52:55,390 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 22:52:55,390 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 22:52:55,391 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 22:52:55,408 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 75 transitions, 158 flow [2020-04-17 22:52:55,410 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2020-04-17 22:52:55,456 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2020-04-17 22:52:55,456 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-04-17 22:52:55,459 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-04-17 22:52:55,462 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2020-04-17 22:52:55,499 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2020-04-17 22:52:55,500 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-04-17 22:52:55,500 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-04-17 22:52:55,502 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 496 [2020-04-17 22:52:55,503 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 22:52:57,196 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-04-17 22:52:57,617 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-04-17 22:52:57,780 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-04-17 22:52:57,997 INFO L539 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-17 22:52:58,081 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:52:58,086 INFO L539 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-04-17 22:52:58,166 INFO L619 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-04-17 22:52:58,167 INFO L539 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-04-17 22:52:58,168 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:125, output treesize:127 [2020-04-17 22:52:58,515 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-04-17 22:52:58,693 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-04-17 22:52:59,821 WARN L192 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-04-17 22:53:00,324 WARN L192 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-04-17 22:53:00,327 INFO L206 etLargeBlockEncoding]: Checked pairs total: 482 [2020-04-17 22:53:00,327 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2020-04-17 22:53:00,332 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 13 transitions, 34 flow [2020-04-17 22:53:00,341 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-04-17 22:53:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-04-17 22:53:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-04-17 22:53:00,349 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:53:00,350 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-04-17 22:53:00,351 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-04-17 22:53:00,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:53:00,356 INFO L82 PathProgramCache]: Analyzing trace with hash 277840, now seen corresponding path program 1 times [2020-04-17 22:53:00,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:53:00,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780974521] [2020-04-17 22:53:00,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:53:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:53:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:53:00,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780974521] [2020-04-17 22:53:00,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:53:00,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-17 22:53:00,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964113922] [2020-04-17 22:53:00,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:53:00,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:53:00,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:53:00,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:53:00,558 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-04-17 22:53:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:53:00,585 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2020-04-17 22:53:00,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:53:00,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-04-17 22:53:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:53:00,595 INFO L225 Difference]: With dead ends: 17 [2020-04-17 22:53:00,596 INFO L226 Difference]: Without dead ends: 16 [2020-04-17 22:53:00,597 INFO L678 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 [2020-04-17 22:53:00,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-04-17 22:53:00,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-04-17 22:53:00,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-04-17 22:53:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2020-04-17 22:53:00,627 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 3 [2020-04-17 22:53:00,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:53:00,627 INFO L479 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-04-17 22:53:00,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:53:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2020-04-17 22:53:00,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-04-17 22:53:00,628 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:53:00,628 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-04-17 22:53:00,628 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-04-17 22:53:00,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:53:00,629 INFO L82 PathProgramCache]: Analyzing trace with hash 277825, now seen corresponding path program 1 times [2020-04-17 22:53:00,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:53:00,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571582101] [2020-04-17 22:53:00,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:53:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:53:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:53:00,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571582101] [2020-04-17 22:53:00,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:53:00,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-17 22:53:00,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921867531] [2020-04-17 22:53:00,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:53:00,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:53:00,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:53:00,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:53:00,719 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand 3 states. [2020-04-17 22:53:00,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:53:00,756 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2020-04-17 22:53:00,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:53:00,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-04-17 22:53:00,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:53:00,757 INFO L225 Difference]: With dead ends: 20 [2020-04-17 22:53:00,757 INFO L226 Difference]: Without dead ends: 17 [2020-04-17 22:53:00,758 INFO L678 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 [2020-04-17 22:53:00,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-04-17 22:53:00,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2020-04-17 22:53:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-04-17 22:53:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2020-04-17 22:53:00,762 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 3 [2020-04-17 22:53:00,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:53:00,762 INFO L479 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2020-04-17 22:53:00,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:53:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2020-04-17 22:53:00,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-04-17 22:53:00,763 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:53:00,763 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-04-17 22:53:00,763 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-04-17 22:53:00,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:53:00,764 INFO L82 PathProgramCache]: Analyzing trace with hash 8613291, now seen corresponding path program 1 times [2020-04-17 22:53:00,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:53:00,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73578951] [2020-04-17 22:53:00,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:53:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:53:00,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:53:00,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73578951] [2020-04-17 22:53:00,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:53:00,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:53:00,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933405936] [2020-04-17 22:53:00,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 22:53:00,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:53:00,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 22:53:00,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-17 22:53:00,880 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 4 states. [2020-04-17 22:53:00,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:53:00,908 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-04-17 22:53:00,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:53:00,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-04-17 22:53:00,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:53:00,909 INFO L225 Difference]: With dead ends: 14 [2020-04-17 22:53:00,910 INFO L226 Difference]: Without dead ends: 14 [2020-04-17 22:53:00,910 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-17 22:53:00,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-04-17 22:53:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-04-17 22:53:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-04-17 22:53:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-04-17 22:53:00,913 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 4 [2020-04-17 22:53:00,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:53:00,914 INFO L479 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-04-17 22:53:00,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 22:53:00,914 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-04-17 22:53:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-17 22:53:00,915 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:53:00,915 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-04-17 22:53:00,915 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-04-17 22:53:00,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:53:00,915 INFO L82 PathProgramCache]: Analyzing trace with hash 267013202, now seen corresponding path program 1 times [2020-04-17 22:53:00,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:53:00,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634043470] [2020-04-17 22:53:00,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:53:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 22:53:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 22:53:01,005 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 22:53:01,005 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 22:53:01,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 10:53:01 BasicIcfg [2020-04-17 22:53:01,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 22:53:01,040 INFO L168 Benchmark]: Toolchain (without parser) took 6683.32 ms. Allocated memory was 137.9 MB in the beginning and 272.1 MB in the end (delta: 134.2 MB). Free memory was 98.6 MB in the beginning and 218.8 MB in the end (delta: -120.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-04-17 22:53:01,041 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-17 22:53:01,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.77 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 96.7 MB in the beginning and 179.1 MB in the end (delta: -82.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-04-17 22:53:01,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.91 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 177.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-17 22:53:01,043 INFO L168 Benchmark]: Boogie Preprocessor took 25.95 ms. Allocated memory is still 201.9 MB. Free memory was 177.1 MB in the beginning and 175.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-17 22:53:01,044 INFO L168 Benchmark]: RCFGBuilder took 460.79 ms. Allocated memory is still 201.9 MB. Free memory was 175.8 MB in the beginning and 152.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-04-17 22:53:01,045 INFO L168 Benchmark]: TraceAbstraction took 5792.59 ms. Allocated memory was 201.9 MB in the beginning and 272.1 MB in the end (delta: 70.3 MB). Free memory was 152.0 MB in the beginning and 218.8 MB in the end (delta: -66.9 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-04-17 22:53:01,050 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 341.77 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 96.7 MB in the beginning and 179.1 MB in the end (delta: -82.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.91 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 177.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.95 ms. Allocated memory is still 201.9 MB. Free memory was 177.1 MB in the beginning and 175.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 460.79 ms. Allocated memory is still 201.9 MB. Free memory was 175.8 MB in the beginning and 152.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5792.59 ms. Allocated memory was 201.9 MB in the beginning and 272.1 MB in the end (delta: 70.3 MB). Free memory was 152.0 MB in the beginning and 218.8 MB in the end (delta: -66.9 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.9s, 79 ProgramPointsBefore, 17 ProgramPointsAfterwards, 75 TransitionsBefore, 13 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 257 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 482 CheckedPairsTotal, 69 TotalNumberOfCompositions - CounterExampleResult [Line: 33]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 int globVar; [L27] 0 int locVar = 7; [L28] 0 globVar = 0 [L30] 0 pthread_t thread_id; [L32] FCALL, FORK 0 pthread_create(&thread_id, NULL, increment, &globVar) VAL [globVar={5:0}, n={5:0}] [L18] 1 int *result = (int *)n; [L18] EXPR 1 \read(*n) [L18] 1 int *result = (int *)n; [L19] EXPR 1 \read(*result) [L19] 1 (*result)++ [L20] 1 \read(*result) [L21] 1 \read(*result) [L23] EXPR 1 \read(*result) [L23] 1 return (void *)result; [L23] 1 return (void *)result; [L18] 1 int *result = (int *)n; [L23] 1 return (void *)result; [L33] FCALL 0 IdentifierExpression[globVar] [L33] 0 CodeAnnotStmt[Assertion] VAL [\result={5:0}, globVar={5:0}, n={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 17 SDtfs, 14 SDslu, 3 SDs, 0 SdLazy, 26 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...