/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:39:30,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:39:30,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:39:30,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:39:30,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:39:30,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:39:30,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:39:30,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:39:30,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:39:30,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:39:30,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:39:30,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:39:30,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:39:30,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:39:30,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:39:30,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:39:30,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:39:30,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:39:30,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:39:30,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:39:30,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:39:30,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:39:30,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:39:30,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:39:30,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 00:39:30,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:39:30,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:39:30,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:39:30,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:39:30,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:39:30,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:39:30,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:39:30,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:39:30,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:39:30,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:39:30,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:39:30,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 00:39:30,333 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:39:30,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:39:30,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:39:30,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:39:30,336 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:39:30,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:39:30,336 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:39:30,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:39:30,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:39:30,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:39:30,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:39:30,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:39:30,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:39:30,339 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:39:30,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:39:30,339 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:39:30,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:39:30,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:39:30,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:39:30,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:39:30,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:39:30,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:39:30,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:39:30,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:39:30,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:39:30,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:39:30,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:39:30,342 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:39:30,342 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:39:30,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:39:30,342 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:39:30,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:39:30,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:39:30,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:39:30,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:39:30,638 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:39:30,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2020-10-22 00:39:30,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57e9a8f7/1f668702f4d7451b8e1c034a7008b47b/FLAG5306a13ac [2020-10-22 00:39:31,227 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:39:31,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2020-10-22 00:39:31,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57e9a8f7/1f668702f4d7451b8e1c034a7008b47b/FLAG5306a13ac [2020-10-22 00:39:31,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57e9a8f7/1f668702f4d7451b8e1c034a7008b47b [2020-10-22 00:39:31,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:39:31,503 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:39:31,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:39:31,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:39:31,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:39:31,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:39:31" (1/1) ... [2020-10-22 00:39:31,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab4e546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:31, skipping insertion in model container [2020-10-22 00:39:31,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:39:31" (1/1) ... [2020-10-22 00:39:31,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:39:31,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:39:32,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:39:32,112 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:39:32,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:39:32,234 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:39:32,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32 WrapperNode [2020-10-22 00:39:32,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:39:32,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:39:32,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:39:32,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:39:32,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (1/1) ... [2020-10-22 00:39:32,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (1/1) ... [2020-10-22 00:39:32,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:39:32,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:39:32,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:39:32,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:39:32,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (1/1) ... [2020-10-22 00:39:32,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (1/1) ... [2020-10-22 00:39:32,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (1/1) ... [2020-10-22 00:39:32,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (1/1) ... [2020-10-22 00:39:32,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (1/1) ... [2020-10-22 00:39:32,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (1/1) ... [2020-10-22 00:39:32,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (1/1) ... [2020-10-22 00:39:32,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:39:32,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:39:32,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:39:32,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:39:32,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (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 [2020-10-22 00:39:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:39:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:39:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:39:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:39:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 00:39:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 00:39:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 00:39:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 00:39:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 00:39:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 00:39:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-22 00:39:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-22 00:39:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:39:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:39:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:39:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:39:32,395 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:39:32,834 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:39:32,834 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 00:39:32,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:39:32 BoogieIcfgContainer [2020-10-22 00:39:32,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:39:32,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:39:32,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:39:32,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:39:32,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:39:31" (1/3) ... [2020-10-22 00:39:32,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504a12f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:39:32, skipping insertion in model container [2020-10-22 00:39:32,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:32" (2/3) ... [2020-10-22 00:39:32,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504a12f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:39:32, skipping insertion in model container [2020-10-22 00:39:32,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:39:32" (3/3) ... [2020-10-22 00:39:32,847 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.opt.i [2020-10-22 00:39:32,860 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:39:32,861 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:39:32,869 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 00:39:32,870 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:39:32,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,904 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,905 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,907 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,907 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,908 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,909 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,911 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,913 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,913 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,921 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,922 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,937 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,938 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,938 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,949 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,950 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,950 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,960 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,961 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:32,966 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 00:39:32,981 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 00:39:33,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:39:33,005 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:39:33,005 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:39:33,005 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:39:33,005 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:39:33,006 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:39:33,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:39:33,007 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:39:33,034 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:39:33,035 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-22 00:39:33,037 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-22 00:39:33,040 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 101 places, 91 transitions, 202 flow [2020-10-22 00:39:33,103 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-10-22 00:39:33,104 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 00:39:33,111 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 87 events. 3/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-10-22 00:39:33,115 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-10-22 00:39:34,938 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-22 00:39:35,165 INFO L131 LiptonReduction]: Checked pairs total: 3854 [2020-10-22 00:39:35,165 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-10-22 00:39:35,172 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-10-22 00:39:35,225 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-22 00:39:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-22 00:39:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 00:39:35,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:35,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:35,239 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:35,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:35,245 INFO L82 PathProgramCache]: Analyzing trace with hash -709438342, now seen corresponding path program 1 times [2020-10-22 00:39:35,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:35,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824157822] [2020-10-22 00:39:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:35,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824157822] [2020-10-22 00:39:35,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:35,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:39:35,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1239738210] [2020-10-22 00:39:35,521 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:35,525 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:35,541 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 00:39:35,541 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:35,545 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:35,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:39:35,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:35,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:39:35,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:35,562 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-22 00:39:35,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:35,614 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-22 00:39:35,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:39:35,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-22 00:39:35,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:35,638 INFO L225 Difference]: With dead ends: 670 [2020-10-22 00:39:35,638 INFO L226 Difference]: Without dead ends: 526 [2020-10-22 00:39:35,639 INFO L677 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 [2020-10-22 00:39:35,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-22 00:39:35,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-22 00:39:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-22 00:39:35,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-22 00:39:35,772 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-22 00:39:35,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:35,773 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-22 00:39:35,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:39:35,774 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-22 00:39:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 00:39:35,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:35,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:35,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:39:35,777 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:35,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:35,778 INFO L82 PathProgramCache]: Analyzing trace with hash -534620391, now seen corresponding path program 1 times [2020-10-22 00:39:35,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:35,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089342042] [2020-10-22 00:39:35,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:35,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:35,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089342042] [2020-10-22 00:39:35,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:35,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:39:35,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1195844519] [2020-10-22 00:39:35,860 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:35,861 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:35,863 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 17 transitions. [2020-10-22 00:39:35,863 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:35,920 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:35,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:35,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:35,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:35,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:35,923 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-22 00:39:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:35,956 INFO L93 Difference]: Finished difference Result 682 states and 2180 transitions. [2020-10-22 00:39:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:35,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-22 00:39:35,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:35,961 INFO L225 Difference]: With dead ends: 682 [2020-10-22 00:39:35,961 INFO L226 Difference]: Without dead ends: 394 [2020-10-22 00:39:35,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:35,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-22 00:39:35,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-22 00:39:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-22 00:39:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1224 transitions. [2020-10-22 00:39:35,990 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1224 transitions. Word has length 11 [2020-10-22 00:39:35,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:35,990 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1224 transitions. [2020-10-22 00:39:35,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1224 transitions. [2020-10-22 00:39:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 00:39:35,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:35,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:35,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:39:35,993 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:35,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:35,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1129499006, now seen corresponding path program 1 times [2020-10-22 00:39:35,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:35,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997129005] [2020-10-22 00:39:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:36,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997129005] [2020-10-22 00:39:36,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:36,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:39:36,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [560091804] [2020-10-22 00:39:36,057 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:36,058 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:36,060 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 28 transitions. [2020-10-22 00:39:36,060 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:36,167 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:36,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:39:36,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:36,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:39:36,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:36,169 INFO L87 Difference]: Start difference. First operand 394 states and 1224 transitions. Second operand 3 states. [2020-10-22 00:39:36,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:36,177 INFO L93 Difference]: Finished difference Result 376 states and 1155 transitions. [2020-10-22 00:39:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:39:36,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-22 00:39:36,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:36,180 INFO L225 Difference]: With dead ends: 376 [2020-10-22 00:39:36,181 INFO L226 Difference]: Without dead ends: 376 [2020-10-22 00:39:36,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:36,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-22 00:39:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2020-10-22 00:39:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-22 00:39:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 1155 transitions. [2020-10-22 00:39:36,198 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 1155 transitions. Word has length 12 [2020-10-22 00:39:36,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:36,199 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 1155 transitions. [2020-10-22 00:39:36,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:39:36,199 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1155 transitions. [2020-10-22 00:39:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:39:36,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:36,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:36,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:39:36,201 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:36,202 INFO L82 PathProgramCache]: Analyzing trace with hash -951035328, now seen corresponding path program 1 times [2020-10-22 00:39:36,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:36,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616367456] [2020-10-22 00:39:36,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:36,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616367456] [2020-10-22 00:39:36,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:36,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:39:36,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [383710067] [2020-10-22 00:39:36,256 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:36,257 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:36,262 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 71 transitions. [2020-10-22 00:39:36,263 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:36,756 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:36,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:36,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:36,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:36,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:36,757 INFO L87 Difference]: Start difference. First operand 376 states and 1155 transitions. Second operand 4 states. [2020-10-22 00:39:36,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:36,801 INFO L93 Difference]: Finished difference Result 466 states and 1398 transitions. [2020-10-22 00:39:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:36,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-22 00:39:36,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:36,805 INFO L225 Difference]: With dead ends: 466 [2020-10-22 00:39:36,805 INFO L226 Difference]: Without dead ends: 226 [2020-10-22 00:39:36,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-22 00:39:36,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-22 00:39:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-22 00:39:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 651 transitions. [2020-10-22 00:39:36,830 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 651 transitions. Word has length 13 [2020-10-22 00:39:36,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:36,830 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 651 transitions. [2020-10-22 00:39:36,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 651 transitions. [2020-10-22 00:39:36,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 00:39:36,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:36,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:36,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:39:36,835 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:36,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:36,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1524641156, now seen corresponding path program 1 times [2020-10-22 00:39:36,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:36,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259698305] [2020-10-22 00:39:36,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:36,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259698305] [2020-10-22 00:39:36,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:36,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:39:36,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1763728115] [2020-10-22 00:39:36,922 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:36,923 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:36,928 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 54 transitions. [2020-10-22 00:39:36,928 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:36,990 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:37,026 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:37,046 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:37,117 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:37,191 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [6776#(not (= 4 ~__unbuffered_cnt~0))] [2020-10-22 00:39:37,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:39:37,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:37,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:39:37,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:37,193 INFO L87 Difference]: Start difference. First operand 226 states and 651 transitions. Second operand 5 states. [2020-10-22 00:39:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:37,276 INFO L93 Difference]: Finished difference Result 243 states and 637 transitions. [2020-10-22 00:39:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:39:37,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-22 00:39:37,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:37,278 INFO L225 Difference]: With dead ends: 243 [2020-10-22 00:39:37,278 INFO L226 Difference]: Without dead ends: 162 [2020-10-22 00:39:37,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:39:37,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-22 00:39:37,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-22 00:39:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-22 00:39:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 391 transitions. [2020-10-22 00:39:37,284 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 391 transitions. Word has length 14 [2020-10-22 00:39:37,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:37,285 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 391 transitions. [2020-10-22 00:39:37,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:39:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 391 transitions. [2020-10-22 00:39:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 00:39:37,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:37,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:37,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:39:37,286 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:37,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:37,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1193386920, now seen corresponding path program 1 times [2020-10-22 00:39:37,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:37,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489768141] [2020-10-22 00:39:37,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:37,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489768141] [2020-10-22 00:39:37,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:37,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:39:37,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1738718244] [2020-10-22 00:39:37,357 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:37,359 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:37,364 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 62 transitions. [2020-10-22 00:39:37,364 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:37,601 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7354#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 00:39:37,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 00:39:37,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:37,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 00:39:37,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:39:37,602 INFO L87 Difference]: Start difference. First operand 162 states and 391 transitions. Second operand 7 states. [2020-10-22 00:39:37,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:37,696 INFO L93 Difference]: Finished difference Result 158 states and 360 transitions. [2020-10-22 00:39:37,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:39:37,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-22 00:39:37,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:37,698 INFO L225 Difference]: With dead ends: 158 [2020-10-22 00:39:37,698 INFO L226 Difference]: Without dead ends: 125 [2020-10-22 00:39:37,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:39:37,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-22 00:39:37,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-22 00:39:37,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-22 00:39:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 282 transitions. [2020-10-22 00:39:37,703 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 282 transitions. Word has length 16 [2020-10-22 00:39:37,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:37,703 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 282 transitions. [2020-10-22 00:39:37,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 00:39:37,704 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 282 transitions. [2020-10-22 00:39:37,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 00:39:37,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:37,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:37,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 00:39:37,705 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:37,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1709090152, now seen corresponding path program 1 times [2020-10-22 00:39:37,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:37,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940445160] [2020-10-22 00:39:37,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:37,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940445160] [2020-10-22 00:39:37,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:37,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 00:39:37,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [921312025] [2020-10-22 00:39:37,780 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:37,782 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:37,788 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 34 transitions. [2020-10-22 00:39:37,788 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:37,883 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7772#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 00:39:37,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 00:39:37,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:37,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 00:39:37,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:39:37,885 INFO L87 Difference]: Start difference. First operand 125 states and 282 transitions. Second operand 8 states. [2020-10-22 00:39:37,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:37,953 INFO L93 Difference]: Finished difference Result 120 states and 270 transitions. [2020-10-22 00:39:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 00:39:37,953 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-22 00:39:37,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:37,954 INFO L225 Difference]: With dead ends: 120 [2020-10-22 00:39:37,955 INFO L226 Difference]: Without dead ends: 111 [2020-10-22 00:39:37,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:39:37,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-22 00:39:37,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-22 00:39:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-22 00:39:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 254 transitions. [2020-10-22 00:39:37,960 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 254 transitions. Word has length 18 [2020-10-22 00:39:37,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:37,960 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 254 transitions. [2020-10-22 00:39:37,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 00:39:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 254 transitions. [2020-10-22 00:39:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 00:39:37,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:37,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:37,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 00:39:37,962 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:37,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:37,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1760559887, now seen corresponding path program 1 times [2020-10-22 00:39:37,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:37,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76994569] [2020-10-22 00:39:37,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:38,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76994569] [2020-10-22 00:39:38,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:38,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:39:38,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [82879158] [2020-10-22 00:39:38,005 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:38,007 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:38,012 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 40 transitions. [2020-10-22 00:39:38,012 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:38,124 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:38,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:38,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:38,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:38,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:38,126 INFO L87 Difference]: Start difference. First operand 111 states and 254 transitions. Second operand 4 states. [2020-10-22 00:39:38,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:38,147 INFO L93 Difference]: Finished difference Result 144 states and 327 transitions. [2020-10-22 00:39:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:38,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-22 00:39:38,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:38,148 INFO L225 Difference]: With dead ends: 144 [2020-10-22 00:39:38,149 INFO L226 Difference]: Without dead ends: 71 [2020-10-22 00:39:38,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-22 00:39:38,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-22 00:39:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-22 00:39:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-10-22 00:39:38,152 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 20 [2020-10-22 00:39:38,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:38,152 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-10-22 00:39:38,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-10-22 00:39:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 00:39:38,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:38,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:38,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 00:39:38,153 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:38,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:38,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1416850207, now seen corresponding path program 2 times [2020-10-22 00:39:38,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:38,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494202124] [2020-10-22 00:39:38,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:38,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494202124] [2020-10-22 00:39:38,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:38,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:39:38,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [386945622] [2020-10-22 00:39:38,196 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:38,199 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:38,209 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 74 transitions. [2020-10-22 00:39:38,209 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:38,486 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:38,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:38,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:38,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:38,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:38,487 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-10-22 00:39:38,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:38,498 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-10-22 00:39:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:38,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-22 00:39:38,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:38,498 INFO L225 Difference]: With dead ends: 70 [2020-10-22 00:39:38,499 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 00:39:38,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:38,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 00:39:38,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 00:39:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 00:39:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 00:39:38,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-22 00:39:38,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:38,500 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 00:39:38,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:38,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 00:39:38,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 00:39:38,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 00:39:38,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:39:38 BasicIcfg [2020-10-22 00:39:38,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:39:38,506 INFO L168 Benchmark]: Toolchain (without parser) took 7007.44 ms. Allocated memory was 139.5 MB in the beginning and 288.9 MB in the end (delta: 149.4 MB). Free memory was 101.1 MB in the beginning and 151.2 MB in the end (delta: -50.2 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:38,507 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 00:39:38,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.27 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 156.4 MB in the end (delta: -56.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:38,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 202.9 MB. Free memory was 156.4 MB in the beginning and 153.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:38,509 INFO L168 Benchmark]: Boogie Preprocessor took 29.14 ms. Allocated memory is still 202.9 MB. Free memory was 153.6 MB in the beginning and 152.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:38,510 INFO L168 Benchmark]: RCFGBuilder took 522.90 ms. Allocated memory is still 202.9 MB. Free memory was 152.3 MB in the beginning and 126.0 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:38,511 INFO L168 Benchmark]: TraceAbstraction took 5665.54 ms. Allocated memory was 202.9 MB in the beginning and 288.9 MB in the end (delta: 86.0 MB). Free memory was 125.3 MB in the beginning and 151.2 MB in the end (delta: -25.9 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:38,515 INFO L339 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 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.27 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 156.4 MB in the end (delta: -56.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 202.9 MB. Free memory was 156.4 MB in the beginning and 153.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.14 ms. Allocated memory is still 202.9 MB. Free memory was 153.6 MB in the beginning and 152.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 522.90 ms. Allocated memory is still 202.9 MB. Free memory was 152.3 MB in the beginning and 126.0 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5665.54 ms. Allocated memory was 202.9 MB in the beginning and 288.9 MB in the end (delta: 86.0 MB). Free memory was 125.3 MB in the beginning and 151.2 MB in the end (delta: -25.9 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1064 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 66 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 101 PlacesBefore, 38 PlacesAfterwards, 91 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 3854 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 188 SDtfs, 179 SDslu, 299 SDs, 0 SdLazy, 168 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 4945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 correct! Received shutdown request...