/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/safe029_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-18 01:56:19,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-18 01:56:19,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-18 01:56:19,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-18 01:56:19,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-18 01:56:19,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-18 01:56:19,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-18 01:56:19,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-18 01:56:19,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-18 01:56:19,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-18 01:56:19,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-18 01:56:19,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-18 01:56:19,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-18 01:56:19,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-18 01:56:19,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-18 01:56:19,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-18 01:56:19,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-18 01:56:19,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-18 01:56:19,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-18 01:56:19,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-18 01:56:19,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-18 01:56:19,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-18 01:56:19,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-18 01:56:19,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-18 01:56:19,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-18 01:56:19,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-18 01:56:19,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-18 01:56:19,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-18 01:56:19,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-18 01:56:19,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-18 01:56:19,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-18 01:56:19,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-18 01:56:19,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-18 01:56:19,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-18 01:56:19,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-18 01:56:19,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-18 01:56:19,333 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 [2020-09-18 01:56:19,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-18 01:56:19,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-18 01:56:19,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-18 01:56:19,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-18 01:56:19,361 INFO L138 SettingsManager]: * Use SBE=true [2020-09-18 01:56:19,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-18 01:56:19,362 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-18 01:56:19,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-18 01:56:19,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-18 01:56:19,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-18 01:56:19,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-18 01:56:19,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-18 01:56:19,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-18 01:56:19,363 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-18 01:56:19,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-18 01:56:19,363 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-18 01:56:19,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-18 01:56:19,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-18 01:56:19,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-18 01:56:19,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-18 01:56:19,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-18 01:56:19,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-18 01:56:19,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-18 01:56:19,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-18 01:56:19,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-18 01:56:19,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-18 01:56:19,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-18 01:56:19,366 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-09-18 01:56:19,366 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-18 01:56:19,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-18 01:56:19,366 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-09-18 01:56:19,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-18 01:56:19,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-18 01:56:19,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-18 01:56:19,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-18 01:56:19,852 INFO L275 PluginConnector]: CDTParser initialized [2020-09-18 01:56:19,854 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-09-18 01:56:19,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe8620bf5/6a8bcb3c207242e782eb2023b5e259b3/FLAG9f14ef209 [2020-09-18 01:56:20,552 INFO L306 CDTParser]: Found 1 translation units. [2020-09-18 01:56:20,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-09-18 01:56:20,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe8620bf5/6a8bcb3c207242e782eb2023b5e259b3/FLAG9f14ef209 [2020-09-18 01:56:20,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe8620bf5/6a8bcb3c207242e782eb2023b5e259b3 [2020-09-18 01:56:20,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-18 01:56:20,816 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-18 01:56:20,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-18 01:56:20,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-18 01:56:20,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-18 01:56:20,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:56:20" (1/1) ... [2020-09-18 01:56:20,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775ffb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:20, skipping insertion in model container [2020-09-18 01:56:20,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:56:20" (1/1) ... [2020-09-18 01:56:20,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-18 01:56:20,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-18 01:56:21,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-18 01:56:21,489 INFO L203 MainTranslator]: Completed pre-run [2020-09-18 01:56:21,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-18 01:56:21,629 INFO L208 MainTranslator]: Completed translation [2020-09-18 01:56:21,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21 WrapperNode [2020-09-18 01:56:21,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-18 01:56:21,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-18 01:56:21,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-18 01:56:21,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-18 01:56:21,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (1/1) ... [2020-09-18 01:56:21,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (1/1) ... [2020-09-18 01:56:21,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-18 01:56:21,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-18 01:56:21,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-18 01:56:21,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-18 01:56:21,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (1/1) ... [2020-09-18 01:56:21,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (1/1) ... [2020-09-18 01:56:21,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (1/1) ... [2020-09-18 01:56:21,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (1/1) ... [2020-09-18 01:56:21,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (1/1) ... [2020-09-18 01:56:21,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (1/1) ... [2020-09-18 01:56:21,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (1/1) ... [2020-09-18 01:56:21,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-18 01:56:21,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-18 01:56:21,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-18 01:56:21,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-18 01:56:21,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (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 [2020-09-18 01:56:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-18 01:56:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-18 01:56:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-18 01:56:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-18 01:56:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-09-18 01:56:21,797 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-09-18 01:56:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-09-18 01:56:21,798 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-09-18 01:56:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-18 01:56:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-18 01:56:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-18 01:56:21,802 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-18 01:56:22,168 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-18 01:56:22,169 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-09-18 01:56:22,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:56:22 BoogieIcfgContainer [2020-09-18 01:56:22,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-18 01:56:22,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-18 01:56:22,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-18 01:56:22,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-18 01:56:22,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 01:56:20" (1/3) ... [2020-09-18 01:56:22,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ceff323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 01:56:22, skipping insertion in model container [2020-09-18 01:56:22,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:56:21" (2/3) ... [2020-09-18 01:56:22,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ceff323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 01:56:22, skipping insertion in model container [2020-09-18 01:56:22,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:56:22" (3/3) ... [2020-09-18 01:56:22,192 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2020-09-18 01:56:22,205 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-18 01:56:22,205 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-18 01:56:22,214 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-18 01:56:22,215 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-18 01:56:22,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,244 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,244 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,244 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,245 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,245 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,245 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,246 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,246 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,252 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,252 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-18 01:56:22,285 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-18 01:56:22,310 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-18 01:56:22,310 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-18 01:56:22,310 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-18 01:56:22,310 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-09-18 01:56:22,310 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-18 01:56:22,311 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-18 01:56:22,311 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-18 01:56:22,311 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-18 01:56:22,326 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 54 transitions, 118 flow [2020-09-18 01:56:22,328 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 59 places, 54 transitions, 118 flow [2020-09-18 01:56:22,370 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2020-09-18 01:56:22,370 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-18 01:56:22,376 INFO L80 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 52 events. 2/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-09-18 01:56:22,378 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 59 places, 54 transitions, 118 flow [2020-09-18 01:56:22,397 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2020-09-18 01:56:22,398 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-18 01:56:22,399 INFO L80 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 52 events. 2/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-09-18 01:56:22,400 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 672 [2020-09-18 01:56:22,402 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-18 01:56:23,708 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1300 [2020-09-18 01:56:23,708 INFO L214 etLargeBlockEncoding]: Total number of compositions: 46 [2020-09-18 01:56:23,713 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-09-18 01:56:23,730 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-09-18 01:56:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-09-18 01:56:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-18 01:56:23,742 INFO L414 BasicCegarLoop]: Found error trace [2020-09-18 01:56:23,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-18 01:56:23,744 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-18 01:56:23,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-18 01:56:23,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1812706200, now seen corresponding path program 1 times [2020-09-18 01:56:23,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-18 01:56:23,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079997683] [2020-09-18 01:56:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-18 01:56:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-18 01:56:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-18 01:56:24,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079997683] [2020-09-18 01:56:24,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-18 01:56:24,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-18 01:56:24,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1113741810] [2020-09-18 01:56:24,029 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-18 01:56:24,033 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-18 01:56:24,050 INFO L274 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-09-18 01:56:24,051 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-18 01:56:24,053 INFO L409 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-18 01:56:24,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-18 01:56:24,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-18 01:56:24,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-18 01:56:24,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-18 01:56:24,077 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-09-18 01:56:24,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-18 01:56:24,108 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-09-18 01:56:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-18 01:56:24,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-09-18 01:56:24,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-18 01:56:24,125 INFO L225 Difference]: With dead ends: 72 [2020-09-18 01:56:24,125 INFO L226 Difference]: Without dead ends: 56 [2020-09-18 01:56:24,127 INFO L675 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 [2020-09-18 01:56:24,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-18 01:56:24,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-09-18 01:56:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-09-18 01:56:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 114 transitions. [2020-09-18 01:56:24,193 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 114 transitions. Word has length 6 [2020-09-18 01:56:24,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-18 01:56:24,193 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 114 transitions. [2020-09-18 01:56:24,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-18 01:56:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2020-09-18 01:56:24,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-18 01:56:24,195 INFO L414 BasicCegarLoop]: Found error trace [2020-09-18 01:56:24,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-18 01:56:24,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-18 01:56:24,196 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-18 01:56:24,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-18 01:56:24,197 INFO L82 PathProgramCache]: Analyzing trace with hash 343673099, now seen corresponding path program 1 times [2020-09-18 01:56:24,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-18 01:56:24,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550938863] [2020-09-18 01:56:24,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-18 01:56:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-18 01:56:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-18 01:56:24,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550938863] [2020-09-18 01:56:24,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-18 01:56:24,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-18 01:56:24,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1738525894] [2020-09-18 01:56:24,282 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-18 01:56:24,284 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-18 01:56:24,287 INFO L274 McrAutomatonBuilder]: Finished intersection with 11 states and 13 transitions. [2020-09-18 01:56:24,289 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-18 01:56:24,331 INFO L409 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-18 01:56:24,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-18 01:56:24,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-18 01:56:24,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-18 01:56:24,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-18 01:56:24,335 INFO L87 Difference]: Start difference. First operand 56 states and 114 transitions. Second operand 3 states. [2020-09-18 01:56:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-18 01:56:24,343 INFO L93 Difference]: Finished difference Result 55 states and 111 transitions. [2020-09-18 01:56:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-18 01:56:24,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-09-18 01:56:24,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-18 01:56:24,345 INFO L225 Difference]: With dead ends: 55 [2020-09-18 01:56:24,346 INFO L226 Difference]: Without dead ends: 55 [2020-09-18 01:56:24,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-18 01:56:24,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-09-18 01:56:24,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-09-18 01:56:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-18 01:56:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 111 transitions. [2020-09-18 01:56:24,356 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 111 transitions. Word has length 7 [2020-09-18 01:56:24,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-18 01:56:24,356 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 111 transitions. [2020-09-18 01:56:24,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-18 01:56:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2020-09-18 01:56:24,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-18 01:56:24,357 INFO L414 BasicCegarLoop]: Found error trace [2020-09-18 01:56:24,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-18 01:56:24,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-18 01:56:24,358 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-18 01:56:24,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-18 01:56:24,358 INFO L82 PathProgramCache]: Analyzing trace with hash 2063912123, now seen corresponding path program 1 times [2020-09-18 01:56:24,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-18 01:56:24,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487179178] [2020-09-18 01:56:24,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-18 01:56:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-18 01:56:24,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-18 01:56:24,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487179178] [2020-09-18 01:56:24,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-18 01:56:24,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-18 01:56:24,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [57381066] [2020-09-18 01:56:24,496 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-18 01:56:24,497 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-18 01:56:24,499 INFO L274 McrAutomatonBuilder]: Finished intersection with 15 states and 21 transitions. [2020-09-18 01:56:24,500 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-18 01:56:24,541 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-09-18 01:56:24,576 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-09-18 01:56:24,594 INFO L409 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-18 01:56:24,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-18 01:56:24,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-18 01:56:24,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-18 01:56:24,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-18 01:56:24,595 INFO L87 Difference]: Start difference. First operand 55 states and 111 transitions. Second operand 4 states. [2020-09-18 01:56:24,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-18 01:56:24,628 INFO L93 Difference]: Finished difference Result 56 states and 99 transitions. [2020-09-18 01:56:24,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-18 01:56:24,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-09-18 01:56:24,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-18 01:56:24,630 INFO L225 Difference]: With dead ends: 56 [2020-09-18 01:56:24,630 INFO L226 Difference]: Without dead ends: 40 [2020-09-18 01:56:24,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-18 01:56:24,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-09-18 01:56:24,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-09-18 01:56:24,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-18 01:56:24,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 66 transitions. [2020-09-18 01:56:24,636 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 66 transitions. Word has length 8 [2020-09-18 01:56:24,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-18 01:56:24,637 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 66 transitions. [2020-09-18 01:56:24,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-18 01:56:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-09-18 01:56:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-18 01:56:24,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-18 01:56:24,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-18 01:56:24,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-18 01:56:24,638 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-18 01:56:24,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-18 01:56:24,639 INFO L82 PathProgramCache]: Analyzing trace with hash -444073675, now seen corresponding path program 1 times [2020-09-18 01:56:24,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-18 01:56:24,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061785310] [2020-09-18 01:56:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-18 01:56:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-18 01:56:24,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-18 01:56:24,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061785310] [2020-09-18 01:56:24,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-18 01:56:24,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-18 01:56:24,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [298334547] [2020-09-18 01:56:24,695 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-18 01:56:24,696 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-18 01:56:24,697 INFO L274 McrAutomatonBuilder]: Finished intersection with 16 states and 21 transitions. [2020-09-18 01:56:24,697 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-18 01:56:24,728 INFO L409 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-18 01:56:24,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-18 01:56:24,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-18 01:56:24,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-18 01:56:24,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-18 01:56:24,730 INFO L87 Difference]: Start difference. First operand 40 states and 66 transitions. Second operand 3 states. [2020-09-18 01:56:24,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-18 01:56:24,738 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2020-09-18 01:56:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-18 01:56:24,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-09-18 01:56:24,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-18 01:56:24,739 INFO L225 Difference]: With dead ends: 51 [2020-09-18 01:56:24,740 INFO L226 Difference]: Without dead ends: 41 [2020-09-18 01:56:24,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-18 01:56:24,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-09-18 01:56:24,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-09-18 01:56:24,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-18 01:56:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 60 transitions. [2020-09-18 01:56:24,745 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 60 transitions. Word has length 9 [2020-09-18 01:56:24,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-18 01:56:24,745 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 60 transitions. [2020-09-18 01:56:24,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-18 01:56:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-09-18 01:56:24,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-18 01:56:24,746 INFO L414 BasicCegarLoop]: Found error trace [2020-09-18 01:56:24,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-18 01:56:24,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-18 01:56:24,747 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-18 01:56:24,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-18 01:56:24,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1686734005, now seen corresponding path program 1 times [2020-09-18 01:56:24,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-18 01:56:24,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485323661] [2020-09-18 01:56:24,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-18 01:56:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-18 01:56:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-18 01:56:24,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485323661] [2020-09-18 01:56:24,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-18 01:56:24,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-18 01:56:24,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [904693095] [2020-09-18 01:56:24,794 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-18 01:56:24,794 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-18 01:56:24,795 INFO L274 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-09-18 01:56:24,795 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-18 01:56:24,796 INFO L409 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-18 01:56:24,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-18 01:56:24,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-18 01:56:24,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-18 01:56:24,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-18 01:56:24,797 INFO L87 Difference]: Start difference. First operand 39 states and 60 transitions. Second operand 3 states. [2020-09-18 01:56:24,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-18 01:56:24,805 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2020-09-18 01:56:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-18 01:56:24,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-09-18 01:56:24,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-18 01:56:24,806 INFO L225 Difference]: With dead ends: 42 [2020-09-18 01:56:24,806 INFO L226 Difference]: Without dead ends: 31 [2020-09-18 01:56:24,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-18 01:56:24,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-18 01:56:24,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-09-18 01:56:24,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-18 01:56:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-09-18 01:56:24,810 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2020-09-18 01:56:24,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-18 01:56:24,811 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-09-18 01:56:24,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-18 01:56:24,811 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-09-18 01:56:24,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-18 01:56:24,812 INFO L414 BasicCegarLoop]: Found error trace [2020-09-18 01:56:24,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-18 01:56:24,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-18 01:56:24,812 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-18 01:56:24,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-18 01:56:24,813 INFO L82 PathProgramCache]: Analyzing trace with hash -881401391, now seen corresponding path program 1 times [2020-09-18 01:56:24,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-18 01:56:24,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102544200] [2020-09-18 01:56:24,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-18 01:56:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-18 01:56:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-18 01:56:24,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102544200] [2020-09-18 01:56:24,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-18 01:56:24,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-18 01:56:24,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1151443534] [2020-09-18 01:56:24,932 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-18 01:56:24,932 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-18 01:56:24,934 INFO L274 McrAutomatonBuilder]: Finished intersection with 21 states and 29 transitions. [2020-09-18 01:56:24,934 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-18 01:56:24,977 INFO L409 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [949#(<= ~__unbuffered_cnt~0 0)] [2020-09-18 01:56:24,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-18 01:56:24,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-18 01:56:24,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-18 01:56:24,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-18 01:56:24,979 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 6 states. [2020-09-18 01:56:25,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-18 01:56:25,002 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2020-09-18 01:56:25,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-18 01:56:25,002 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-09-18 01:56:25,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-18 01:56:25,003 INFO L225 Difference]: With dead ends: 25 [2020-09-18 01:56:25,003 INFO L226 Difference]: Without dead ends: 0 [2020-09-18 01:56:25,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-18 01:56:25,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-18 01:56:25,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-18 01:56:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-18 01:56:25,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-18 01:56:25,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-09-18 01:56:25,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-18 01:56:25,005 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-18 01:56:25,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-18 01:56:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-18 01:56:25,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-18 01:56:25,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-18 01:56:25,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 01:56:25 BasicIcfg [2020-09-18 01:56:25,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-18 01:56:25,014 INFO L168 Benchmark]: Toolchain (without parser) took 4200.87 ms. Allocated memory was 136.8 MB in the beginning and 255.9 MB in the end (delta: 119.0 MB). Free memory was 98.7 MB in the beginning and 148.7 MB in the end (delta: -49.9 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. [2020-09-18 01:56:25,015 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-09-18 01:56:25,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.45 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 98.3 MB in the beginning and 156.4 MB in the end (delta: -58.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-09-18 01:56:25,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.22 ms. Allocated memory is still 199.8 MB. Free memory was 156.4 MB in the beginning and 154.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-18 01:56:25,018 INFO L168 Benchmark]: Boogie Preprocessor took 30.56 ms. Allocated memory is still 199.8 MB. Free memory was 154.4 MB in the beginning and 153.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2020-09-18 01:56:25,018 INFO L168 Benchmark]: RCFGBuilder took 452.87 ms. Allocated memory is still 199.8 MB. Free memory was 153.4 MB in the beginning and 133.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-18 01:56:25,019 INFO L168 Benchmark]: TraceAbstraction took 2831.79 ms. Allocated memory was 199.8 MB in the beginning and 255.9 MB in the end (delta: 56.1 MB). Free memory was 133.3 MB in the beginning and 148.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2020-09-18 01:56:25,024 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 813.45 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 98.3 MB in the beginning and 156.4 MB in the end (delta: -58.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.22 ms. Allocated memory is still 199.8 MB. Free memory was 156.4 MB in the beginning and 154.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.56 ms. Allocated memory is still 199.8 MB. Free memory was 154.4 MB in the beginning and 153.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 452.87 ms. Allocated memory is still 199.8 MB. Free memory was 153.4 MB in the beginning and 133.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2831.79 ms. Allocated memory was 199.8 MB in the beginning and 255.9 MB in the end (delta: 56.1 MB). Free memory was 133.3 MB in the beginning and 148.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 59 ProgramPointsBefore, 22 ProgramPointsAfterwards, 54 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 7 FixpointIterations, 11 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 379 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1300 CheckedPairsTotal, 46 TotalNumberOfCompositions - PositiveResult [Line: 7]: 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 3 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 79 SDtfs, 27 SDslu, 69 SDs, 0 SdLazy, 41 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...