/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-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-lit/qw2004-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:38:04,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:38:04,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:38:04,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:38:04,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:38:04,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:38:04,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:38:04,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:38:04,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:38:04,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:38:04,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:38:04,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:38:04,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:38:04,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:38:04,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:38:04,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:38:04,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:38:04,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:38:04,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:38:04,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:38:04,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:38:04,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:38:04,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:38:04,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:38:04,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 05:38:04,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:38:04,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:38:04,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:38:04,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:38:04,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:38:04,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:38:04,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:38:04,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:38:04,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:38:04,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:38:04,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:38:04,210 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-NoLbe-MCR.epf [2019-12-28 05:38:04,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:38:04,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:38:04,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:38:04,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:38:04,227 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:38:04,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:38:04,227 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:38:04,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:38:04,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:38:04,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:38:04,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:38:04,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:38:04,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:38:04,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:38:04,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:38:04,229 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:38:04,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:38:04,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:38:04,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:38:04,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:38:04,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:38:04,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:38:04,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:38:04,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:38:04,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:38:04,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:38:04,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:38:04,231 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:38:04,231 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:38:04,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:38:04,232 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:38:04,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:38:04,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:38:04,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:38:04,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:38:04,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:38:04,541 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:38:04,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2.i [2019-12-28 05:38:04,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5024d9051/9d457b29c4174614a08d4430987a92d6/FLAG24f723427 [2019-12-28 05:38:05,172 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:38:05,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2.i [2019-12-28 05:38:05,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5024d9051/9d457b29c4174614a08d4430987a92d6/FLAG24f723427 [2019-12-28 05:38:05,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5024d9051/9d457b29c4174614a08d4430987a92d6 [2019-12-28 05:38:05,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:38:05,480 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:38:05,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:38:05,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:38:05,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:38:05,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:38:05" (1/1) ... [2019-12-28 05:38:05,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e7861d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:05, skipping insertion in model container [2019-12-28 05:38:05,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:38:05" (1/1) ... [2019-12-28 05:38:05,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:38:05,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:38:05,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:38:05,962 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:38:06,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:38:06,112 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:38:06,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06 WrapperNode [2019-12-28 05:38:06,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:38:06,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:38:06,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:38:06,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:38:06,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... [2019-12-28 05:38:06,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... [2019-12-28 05:38:06,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:38:06,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:38:06,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:38:06,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:38:06,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... [2019-12-28 05:38:06,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... [2019-12-28 05:38:06,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... [2019-12-28 05:38:06,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... [2019-12-28 05:38:06,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... [2019-12-28 05:38:06,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... [2019-12-28 05:38:06,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... [2019-12-28 05:38:06,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:38:06,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:38:06,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:38:06,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:38:06,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:38:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-12-28 05:38:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-12-28 05:38:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:38:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 05:38:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:38:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:38:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 05:38:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:38:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:38:06,306 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 05:38:06,697 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:38:06,697 INFO L287 CfgBuilder]: Removed 18 assume(true) statements. [2019-12-28 05:38:06,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:38:06 BoogieIcfgContainer [2019-12-28 05:38:06,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:38:06,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:38:06,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:38:06,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:38:06,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:38:05" (1/3) ... [2019-12-28 05:38:06,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e89269b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:38:06, skipping insertion in model container [2019-12-28 05:38:06,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:38:06" (2/3) ... [2019-12-28 05:38:06,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e89269b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:38:06, skipping insertion in model container [2019-12-28 05:38:06,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:38:06" (3/3) ... [2019-12-28 05:38:06,708 INFO L109 eAbstractionObserver]: Analyzing ICFG qw2004-2.i [2019-12-28 05:38:06,719 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:38:06,719 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:38:06,727 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 05:38:06,729 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:38:06,754 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,755 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,755 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,756 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,756 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,756 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,757 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,757 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,757 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,757 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,758 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,758 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,758 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,759 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,759 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,759 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,759 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,760 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,760 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,760 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,761 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,761 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,765 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,766 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,766 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,767 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,767 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,767 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,767 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,768 WARN L315 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,768 WARN L315 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:38:06,785 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-28 05:38:06,807 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:38:06,808 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:38:06,808 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:38:06,808 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:38:06,808 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:38:06,808 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:38:06,808 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:38:06,809 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:38:06,821 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 80 transitions [2019-12-28 05:38:06,868 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 772 states. [2019-12-28 05:38:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states. [2019-12-28 05:38:06,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 05:38:06,888 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:06,889 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:06,890 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:06,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:06,897 INFO L82 PathProgramCache]: Analyzing trace with hash -467632500, now seen corresponding path program 1 times [2019-12-28 05:38:06,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:06,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320463691] [2019-12-28 05:38:06,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:38:07,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:38:07,152 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320463691] [2019-12-28 05:38:07,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:38:07,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 05:38:07,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1333579115] [2019-12-28 05:38:07,155 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:38:07,169 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:38:07,194 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 36 states and 35 transitions. [2019-12-28 05:38:07,195 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:38:07,199 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:38:07,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 05:38:07,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:38:07,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 05:38:07,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 05:38:07,219 INFO L87 Difference]: Start difference. First operand 772 states. Second operand 3 states. [2019-12-28 05:38:07,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:38:07,308 INFO L93 Difference]: Finished difference Result 1298 states and 2630 transitions. [2019-12-28 05:38:07,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 05:38:07,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-12-28 05:38:07,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:38:07,334 INFO L225 Difference]: With dead ends: 1298 [2019-12-28 05:38:07,334 INFO L226 Difference]: Without dead ends: 618 [2019-12-28 05:38:07,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 05:38:07,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2019-12-28 05:38:07,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 410. [2019-12-28 05:38:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2019-12-28 05:38:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 802 transitions. [2019-12-28 05:38:07,449 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 802 transitions. Word has length 35 [2019-12-28 05:38:07,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:38:07,449 INFO L462 AbstractCegarLoop]: Abstraction has 410 states and 802 transitions. [2019-12-28 05:38:07,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-28 05:38:07,450 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 802 transitions. [2019-12-28 05:38:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-28 05:38:07,453 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:07,454 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:07,454 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:07,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:07,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1375320882, now seen corresponding path program 1 times [2019-12-28 05:38:07,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:07,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676277226] [2019-12-28 05:38:07,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:38:07,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:38:07,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676277226] [2019-12-28 05:38:07,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:38:07,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:38:07,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1156333924] [2019-12-28 05:38:07,640 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:38:07,644 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:38:07,647 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 36 transitions. [2019-12-28 05:38:07,648 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:38:07,651 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:38:07,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:38:07,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:38:07,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:38:07,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:38:07,664 INFO L87 Difference]: Start difference. First operand 410 states and 802 transitions. Second operand 5 states. [2019-12-28 05:38:07,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:38:07,760 INFO L93 Difference]: Finished difference Result 389 states and 752 transitions. [2019-12-28 05:38:07,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:38:07,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-12-28 05:38:07,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:38:07,764 INFO L225 Difference]: With dead ends: 389 [2019-12-28 05:38:07,764 INFO L226 Difference]: Without dead ends: 335 [2019-12-28 05:38:07,765 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:38:07,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-12-28 05:38:07,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2019-12-28 05:38:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2019-12-28 05:38:07,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 647 transitions. [2019-12-28 05:38:07,778 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 647 transitions. Word has length 36 [2019-12-28 05:38:07,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:38:07,778 INFO L462 AbstractCegarLoop]: Abstraction has 335 states and 647 transitions. [2019-12-28 05:38:07,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:38:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 647 transitions. [2019-12-28 05:38:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-28 05:38:07,781 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:07,781 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:07,782 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:07,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:07,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1402972, now seen corresponding path program 1 times [2019-12-28 05:38:07,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:07,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996417619] [2019-12-28 05:38:07,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:38:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:38:07,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996417619] [2019-12-28 05:38:07,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:38:07,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 05:38:07,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1770262629] [2019-12-28 05:38:07,874 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:38:07,880 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:38:07,906 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 232 states and 413 transitions. [2019-12-28 05:38:07,906 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:38:07,956 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 14 times. [2019-12-28 05:38:07,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 05:38:07,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:38:07,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 05:38:07,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 05:38:07,958 INFO L87 Difference]: Start difference. First operand 335 states and 647 transitions. Second operand 6 states. [2019-12-28 05:38:08,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:38:08,127 INFO L93 Difference]: Finished difference Result 437 states and 812 transitions. [2019-12-28 05:38:08,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-28 05:38:08,130 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-12-28 05:38:08,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:38:08,133 INFO L225 Difference]: With dead ends: 437 [2019-12-28 05:38:08,134 INFO L226 Difference]: Without dead ends: 319 [2019-12-28 05:38:08,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-12-28 05:38:08,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-12-28 05:38:08,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2019-12-28 05:38:08,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-12-28 05:38:08,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 583 transitions. [2019-12-28 05:38:08,149 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 583 transitions. Word has length 49 [2019-12-28 05:38:08,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:38:08,149 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 583 transitions. [2019-12-28 05:38:08,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 05:38:08,149 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 583 transitions. [2019-12-28 05:38:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-28 05:38:08,153 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:08,153 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:08,154 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:08,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:08,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1923867571, now seen corresponding path program 1 times [2019-12-28 05:38:08,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:08,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134544759] [2019-12-28 05:38:08,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:38:08,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:38:08,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134544759] [2019-12-28 05:38:08,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:38:08,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 05:38:08,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [370803008] [2019-12-28 05:38:08,247 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:38:08,252 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:38:08,271 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 233 states and 413 transitions. [2019-12-28 05:38:08,271 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:38:08,283 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 05:38:08,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 05:38:08,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:38:08,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 05:38:08,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 05:38:08,284 INFO L87 Difference]: Start difference. First operand 319 states and 583 transitions. Second operand 3 states. [2019-12-28 05:38:08,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:38:08,296 INFO L93 Difference]: Finished difference Result 319 states and 567 transitions. [2019-12-28 05:38:08,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 05:38:08,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-12-28 05:38:08,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:38:08,298 INFO L225 Difference]: With dead ends: 319 [2019-12-28 05:38:08,299 INFO L226 Difference]: Without dead ends: 191 [2019-12-28 05:38:08,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 05:38:08,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-28 05:38:08,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2019-12-28 05:38:08,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-12-28 05:38:08,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 327 transitions. [2019-12-28 05:38:08,307 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 327 transitions. Word has length 51 [2019-12-28 05:38:08,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:38:08,309 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 327 transitions. [2019-12-28 05:38:08,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-28 05:38:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 327 transitions. [2019-12-28 05:38:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-28 05:38:08,310 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:08,311 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:08,311 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:08,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:08,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1618217943, now seen corresponding path program 2 times [2019-12-28 05:38:08,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:08,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430503929] [2019-12-28 05:38:08,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:38:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:38:08,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430503929] [2019-12-28 05:38:08,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:38:08,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 05:38:08,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1451826295] [2019-12-28 05:38:08,468 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:38:08,473 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:38:08,488 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 155 states and 257 transitions. [2019-12-28 05:38:08,488 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:38:08,994 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 31 times. [2019-12-28 05:38:08,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-12-28 05:38:08,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:38:08,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-12-28 05:38:08,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2019-12-28 05:38:08,996 INFO L87 Difference]: Start difference. First operand 191 states and 327 transitions. Second operand 23 states. [2019-12-28 05:38:09,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:38:09,324 INFO L93 Difference]: Finished difference Result 233 states and 398 transitions. [2019-12-28 05:38:09,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-28 05:38:09,325 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 51 [2019-12-28 05:38:09,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:38:09,326 INFO L225 Difference]: With dead ends: 233 [2019-12-28 05:38:09,326 INFO L226 Difference]: Without dead ends: 149 [2019-12-28 05:38:09,328 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 13 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2019-12-28 05:38:09,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-12-28 05:38:09,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-12-28 05:38:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-12-28 05:38:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 243 transitions. [2019-12-28 05:38:09,332 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 243 transitions. Word has length 51 [2019-12-28 05:38:09,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:38:09,333 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 243 transitions. [2019-12-28 05:38:09,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-12-28 05:38:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 243 transitions. [2019-12-28 05:38:09,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-28 05:38:09,335 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:38:09,336 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 05:38:09,336 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:38:09,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:38:09,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1660013967, now seen corresponding path program 3 times [2019-12-28 05:38:09,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:38:09,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302596017] [2019-12-28 05:38:09,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:38:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:38:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-28 05:38:09,443 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-28 05:38:09,449 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-28 05:38:09,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:38:09 BasicIcfg [2019-12-28 05:38:09,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:38:09,537 INFO L168 Benchmark]: Toolchain (without parser) took 4056.60 ms. Allocated memory was 138.4 MB in the beginning and 250.1 MB in the end (delta: 111.7 MB). Free memory was 100.7 MB in the beginning and 108.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:09,538 INFO L168 Benchmark]: CDTParser took 0.19 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: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-28 05:38:09,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.77 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 160.4 MB in the end (delta: -60.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:09,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.20 ms. Allocated memory is still 202.4 MB. Free memory was 160.4 MB in the beginning and 158.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:09,541 INFO L168 Benchmark]: Boogie Preprocessor took 38.00 ms. Allocated memory is still 202.4 MB. Free memory was 158.5 MB in the beginning and 157.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:09,541 INFO L168 Benchmark]: RCFGBuilder took 461.38 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 134.6 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:09,542 INFO L168 Benchmark]: TraceAbstraction took 2834.09 ms. Allocated memory was 202.4 MB in the beginning and 250.1 MB in the end (delta: 47.7 MB). Free memory was 134.6 MB in the beginning and 108.8 MB in the end (delta: 25.8 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB. [2019-12-28 05:38:09,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 632.77 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 160.4 MB in the end (delta: -60.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 85.20 ms. Allocated memory is still 202.4 MB. Free memory was 160.4 MB in the beginning and 158.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.00 ms. Allocated memory is still 202.4 MB. Free memory was 158.5 MB in the beginning and 157.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 461.38 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 134.6 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2834.09 ms. Allocated memory was 202.4 MB in the beginning and 250.1 MB in the end (delta: 47.7 MB). Free memory was 134.6 MB in the beginning and 108.8 MB in the end (delta: 25.8 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 676]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L683] 0 volatile int stoppingFlag; VAL [stoppingFlag=0] [L684] 0 volatile int pendingIo; VAL [pendingIo=0, stoppingFlag=0] [L685] 0 volatile int stoppingEvent; VAL [pendingIo=0, stoppingEvent=0, stoppingFlag=0] [L686] 0 volatile int stopped; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L726] 0 pthread_t t; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L727] 0 pendingIo = 1 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L728] 0 stoppingFlag = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L729] 0 stoppingEvent = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L730] 0 stopped = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L731] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpStop, 0) VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L710] 0 int status; VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L688] COND FALSE 0 !(\read(stoppingFlag)) VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L719] 1 stoppingFlag = 1 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L703] 1 int pending; VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L697] 1 pendingIo-- [L698] 1 int tmp = pendingIo; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=1] [L691] 0 pendingIo = pendingIo + 1 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L693] 0 return 0; VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L711] 0 status = BCSP_IoIncrement() VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L712] COND TRUE 0 status == 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L700] 1 return tmp; VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L704] 1 pending = dec() VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L705] COND TRUE 1 pending == 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L706] 1 stoppingEvent = 1 VAL [pendingIo=1, stopped=0, stoppingEvent=1, stoppingFlag=1] [L722] 1 stopped = 1 VAL [pendingIo=1, stopped=1, stoppingEvent=1, stoppingFlag=1] [L675] COND TRUE 0 !(cond) VAL [pendingIo=1, stopped=1, stoppingEvent=1, stoppingFlag=1] [L676] 0 __VERIFIER_error() VAL [pendingIo=1, stopped=1, stoppingEvent=1, stoppingFlag=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 436 SDtfs, 292 SDslu, 1462 SDs, 0 SdLazy, 331 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 38 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=772occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 208 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 19656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...