/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/rfi001_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:51:05,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:51:05,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:51:05,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:51:05,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:51:05,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:51:05,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:51:05,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:51:05,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:51:05,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:51:05,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:51:05,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:51:05,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:51:05,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:51:05,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:51:05,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:51:05,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:51:05,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:51:05,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:51:05,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:51:05,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:51:05,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:51:05,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:51:05,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:51:05,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:51:05,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:51:05,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:51:05,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:51:05,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:51:05,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:51:05,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:51:05,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:51:05,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:51:05,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:51:05,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:51:05,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:51:05,362 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 [2020-10-06 00:51:05,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:51:05,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:51:05,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:51:05,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:51:05,387 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:51:05,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:51:05,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:51:05,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:51:05,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:51:05,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:51:05,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:51:05,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:51:05,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:51:05,389 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:51:05,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:51:05,389 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:51:05,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:51:05,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:51:05,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:51:05,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:51:05,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:51:05,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:51:05,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:51:05,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:51:05,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:51:05,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:51:05,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:51:05,392 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:51:05,392 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:51:05,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:51:05,392 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:51:05,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:51:05,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:51:05,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:51:05,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:51:05,710 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:51:05,711 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi001_pso.opt.i [2020-10-06 00:51:05,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c7899249/9f98c43f8b554200afaf2506a42fb185/FLAG5954408a9 [2020-10-06 00:51:06,303 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:51:06,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_pso.opt.i [2020-10-06 00:51:06,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c7899249/9f98c43f8b554200afaf2506a42fb185/FLAG5954408a9 [2020-10-06 00:51:06,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c7899249/9f98c43f8b554200afaf2506a42fb185 [2020-10-06 00:51:06,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:51:06,622 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:51:06,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:51:06,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:51:06,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:51:06,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:51:06" (1/1) ... [2020-10-06 00:51:06,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c056663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:06, skipping insertion in model container [2020-10-06 00:51:06,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:51:06" (1/1) ... [2020-10-06 00:51:06,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:51:06,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:51:07,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:51:07,244 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:51:07,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:51:07,373 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:51:07,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07 WrapperNode [2020-10-06 00:51:07,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:51:07,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:51:07,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:51:07,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:51:07,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (1/1) ... [2020-10-06 00:51:07,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (1/1) ... [2020-10-06 00:51:07,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:51:07,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:51:07,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:51:07,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:51:07,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (1/1) ... [2020-10-06 00:51:07,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (1/1) ... [2020-10-06 00:51:07,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (1/1) ... [2020-10-06 00:51:07,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (1/1) ... [2020-10-06 00:51:07,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (1/1) ... [2020-10-06 00:51:07,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (1/1) ... [2020-10-06 00:51:07,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (1/1) ... [2020-10-06 00:51:07,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:51:07,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:51:07,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:51:07,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:51:07,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (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 [2020-10-06 00:51:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:51:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:51:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:51:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:51:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:51:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:51:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:51:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:51:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:51:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:51:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:51:07,580 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:51:09,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:51:09,406 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:51:09,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:51:09 BoogieIcfgContainer [2020-10-06 00:51:09,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:51:09,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:51:09,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:51:09,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:51:09,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:51:06" (1/3) ... [2020-10-06 00:51:09,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2894c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:51:09, skipping insertion in model container [2020-10-06 00:51:09,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:51:07" (2/3) ... [2020-10-06 00:51:09,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2894c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:51:09, skipping insertion in model container [2020-10-06 00:51:09,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:51:09" (3/3) ... [2020-10-06 00:51:09,417 INFO L109 eAbstractionObserver]: Analyzing ICFG rfi001_pso.opt.i [2020-10-06 00:51:09,427 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:51:09,428 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:51:09,436 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:51:09,437 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:51:09,464 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,464 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,464 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,465 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,468 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,469 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,469 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,469 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,478 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,483 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,483 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,483 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,483 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:51:09,500 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 00:51:09,521 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:51:09,522 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:51:09,522 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:51:09,522 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:51:09,522 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:51:09,522 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:51:09,522 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:51:09,522 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:51:09,538 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 79 transitions, 168 flow [2020-10-06 00:51:09,540 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:51:09,581 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:51:09,581 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:51:09,586 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-06 00:51:09,589 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-06 00:51:09,609 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 00:51:09,609 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:51:09,610 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-06 00:51:09,612 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1012 [2020-10-06 00:51:09,613 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:51:10,952 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2020-10-06 00:51:11,014 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 2, 1] term [2020-10-06 00:51:11,015 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:51:11,019 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 1] term [2020-10-06 00:51:11,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 00:51:11,839 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2020-10-06 00:51:12,940 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2020-10-06 00:51:13,056 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-06 00:51:13,771 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2020-10-06 00:51:14,053 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-06 00:51:14,766 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2020-10-06 00:51:15,105 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-06 00:51:15,590 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-06 00:51:15,879 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-06 00:51:16,118 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-06 00:51:16,226 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-06 00:51:16,230 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2573 [2020-10-06 00:51:16,231 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2020-10-06 00:51:16,234 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 20 transitions, 50 flow [2020-10-06 00:51:16,252 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 187 states. [2020-10-06 00:51:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-10-06 00:51:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:51:16,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:16,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:51:16,262 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:16,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:16,268 INFO L82 PathProgramCache]: Analyzing trace with hash 876717738, now seen corresponding path program 1 times [2020-10-06 00:51:16,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:16,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468791158] [2020-10-06 00:51:16,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:16,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468791158] [2020-10-06 00:51:16,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:16,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:16,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1943060281] [2020-10-06 00:51:16,517 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:16,521 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:16,534 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:51:16,534 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:16,539 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:16,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:16,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:16,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:16,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:16,557 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2020-10-06 00:51:16,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:16,622 INFO L93 Difference]: Finished difference Result 162 states and 385 transitions. [2020-10-06 00:51:16,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:16,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:51:16,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:16,636 INFO L225 Difference]: With dead ends: 162 [2020-10-06 00:51:16,636 INFO L226 Difference]: Without dead ends: 132 [2020-10-06 00:51:16,638 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 [2020-10-06 00:51:16,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-06 00:51:16,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-10-06 00:51:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-06 00:51:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 306 transitions. [2020-10-06 00:51:16,693 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 306 transitions. Word has length 5 [2020-10-06 00:51:16,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:16,693 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 306 transitions. [2020-10-06 00:51:16,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 306 transitions. [2020-10-06 00:51:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 00:51:16,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:16,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:16,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:51:16,695 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:16,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:16,696 INFO L82 PathProgramCache]: Analyzing trace with hash 712187279, now seen corresponding path program 1 times [2020-10-06 00:51:16,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:16,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209297747] [2020-10-06 00:51:16,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:16,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209297747] [2020-10-06 00:51:16,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:16,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:51:16,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2023451844] [2020-10-06 00:51:16,838 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:16,839 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:16,840 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-06 00:51:16,841 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:16,843 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:51:16,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:51:16,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:16,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:51:16,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:51:16,846 INFO L87 Difference]: Start difference. First operand 132 states and 306 transitions. Second operand 3 states. [2020-10-06 00:51:16,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:16,868 INFO L93 Difference]: Finished difference Result 122 states and 278 transitions. [2020-10-06 00:51:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:51:16,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-06 00:51:16,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:16,873 INFO L225 Difference]: With dead ends: 122 [2020-10-06 00:51:16,873 INFO L226 Difference]: Without dead ends: 122 [2020-10-06 00:51:16,875 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 [2020-10-06 00:51:16,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-06 00:51:16,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-06 00:51:16,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-06 00:51:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 278 transitions. [2020-10-06 00:51:16,896 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 278 transitions. Word has length 7 [2020-10-06 00:51:16,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:16,900 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 278 transitions. [2020-10-06 00:51:16,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:51:16,901 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 278 transitions. [2020-10-06 00:51:16,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:51:16,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:16,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:16,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:51:16,902 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:16,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:16,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1509459439, now seen corresponding path program 1 times [2020-10-06 00:51:16,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:16,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308835685] [2020-10-06 00:51:16,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:17,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308835685] [2020-10-06 00:51:17,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:17,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:51:17,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [597042691] [2020-10-06 00:51:17,100 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:17,101 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:17,104 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 15 transitions. [2020-10-06 00:51:17,104 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:17,141 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 4, 3, 2, 1] term [2020-10-06 00:51:17,142 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:17,143 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:17,145 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-06 00:51:17,151 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:17,152 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:17,160 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:17,175 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:17,178 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:51:17,180 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:17,187 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:17,189 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:17,251 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1264#(or (not (= (mod ~y$w_buff0_used~0 256) 0)) (and (<= ~y~0 0) (= ~y$w_buff0_used~0 0) (<= ~y$r_buff0_thd0~0 0) (<= 0 ~y$r_buff0_thd0~0)))] [2020-10-06 00:51:17,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 00:51:17,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:17,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 00:51:17,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:51:17,252 INFO L87 Difference]: Start difference. First operand 122 states and 278 transitions. Second operand 6 states. [2020-10-06 00:51:17,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:17,395 INFO L93 Difference]: Finished difference Result 145 states and 335 transitions. [2020-10-06 00:51:17,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:51:17,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-10-06 00:51:17,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:17,400 INFO L225 Difference]: With dead ends: 145 [2020-10-06 00:51:17,400 INFO L226 Difference]: Without dead ends: 145 [2020-10-06 00:51:17,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:51:17,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-06 00:51:17,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 118. [2020-10-06 00:51:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-06 00:51:17,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 266 transitions. [2020-10-06 00:51:17,411 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 266 transitions. Word has length 9 [2020-10-06 00:51:17,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:17,411 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 266 transitions. [2020-10-06 00:51:17,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 00:51:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 266 transitions. [2020-10-06 00:51:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 00:51:17,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:51:17,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:51:17,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:51:17,413 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:51:17,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:51:17,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1108467314, now seen corresponding path program 1 times [2020-10-06 00:51:17,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:51:17,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162374516] [2020-10-06 00:51:17,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:51:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:51:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:51:17,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162374516] [2020-10-06 00:51:17,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:51:17,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:51:17,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2010633149] [2020-10-06 00:51:17,511 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:51:17,513 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:51:17,516 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 21 transitions. [2020-10-06 00:51:17,516 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:51:17,539 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:17,579 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 00:51:17,592 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1654#(= (mod ~main$tmp_guard0~0 256) 0)] [2020-10-06 00:51:17,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:51:17,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:51:17,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:51:17,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:51:17,593 INFO L87 Difference]: Start difference. First operand 118 states and 266 transitions. Second operand 5 states. [2020-10-06 00:51:17,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:51:17,617 INFO L93 Difference]: Finished difference Result 82 states and 157 transitions. [2020-10-06 00:51:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:51:17,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-06 00:51:17,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:51:17,618 INFO L225 Difference]: With dead ends: 82 [2020-10-06 00:51:17,618 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 00:51:17,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:51:17,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 00:51:17,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 00:51:17,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 00:51:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 00:51:17,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-10-06 00:51:17,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:51:17,620 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 00:51:17,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:51:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 00:51:17,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 00:51:17,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:51:17,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:51:17 BasicIcfg [2020-10-06 00:51:17,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:51:17,627 INFO L168 Benchmark]: Toolchain (without parser) took 11004.57 ms. Allocated memory was 138.9 MB in the beginning and 325.1 MB in the end (delta: 186.1 MB). Free memory was 100.1 MB in the beginning and 199.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:17,628 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-06 00:51:17,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.73 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.7 MB in the beginning and 153.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:17,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.65 ms. Allocated memory is still 201.9 MB. Free memory was 153.7 MB in the beginning and 150.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:17,630 INFO L168 Benchmark]: Boogie Preprocessor took 42.45 ms. Allocated memory is still 201.9 MB. Free memory was 150.6 MB in the beginning and 148.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:17,631 INFO L168 Benchmark]: RCFGBuilder took 1897.62 ms. Allocated memory was 201.9 MB in the beginning and 250.1 MB in the end (delta: 48.2 MB). Free memory was 148.6 MB in the beginning and 200.9 MB in the end (delta: -52.3 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:17,632 INFO L168 Benchmark]: TraceAbstraction took 8214.91 ms. Allocated memory was 250.1 MB in the beginning and 325.1 MB in the end (delta: 75.0 MB). Free memory was 200.9 MB in the beginning and 199.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. [2020-10-06 00:51:17,636 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.73 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.7 MB in the beginning and 153.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 85.65 ms. Allocated memory is still 201.9 MB. Free memory was 153.7 MB in the beginning and 150.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.45 ms. Allocated memory is still 201.9 MB. Free memory was 150.6 MB in the beginning and 148.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1897.62 ms. Allocated memory was 201.9 MB in the beginning and 250.1 MB in the end (delta: 48.2 MB). Free memory was 148.6 MB in the beginning and 200.9 MB in the end (delta: -52.3 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8214.91 ms. Allocated memory was 250.1 MB in the beginning and 325.1 MB in the end (delta: 75.0 MB). Free memory was 200.9 MB in the beginning and 199.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 6.6s, 84 ProgramPointsBefore, 27 ProgramPointsAfterwards, 79 TransitionsBefore, 20 TransitionsAfterwards, 1012 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 532 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2573 CheckedPairsTotal, 69 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.7s, HoareTripleCheckerStatistics: 53 SDtfs, 65 SDslu, 71 SDs, 0 SdLazy, 53 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred 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, 4 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...