/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-lit/gcnr2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 23:40:50,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 23:40:50,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 23:40:50,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 23:40:50,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 23:40:50,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 23:40:50,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 23:40:50,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 23:40:50,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 23:40:50,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 23:40:50,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 23:40:50,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 23:40:50,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 23:40:50,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 23:40:50,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 23:40:50,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 23:40:50,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 23:40:50,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 23:40:50,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 23:40:50,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 23:40:50,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 23:40:50,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 23:40:50,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 23:40:50,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 23:40:50,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 23:40:50,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 23:40:50,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 23:40:50,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 23:40:50,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 23:40:50,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 23:40:50,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 23:40:50,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 23:40:50,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 23:40:50,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 23:40:50,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 23:40:50,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 23:40:50,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 23:40:50,391 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 23:40:50,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 23:40:50,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 23:40:50,393 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 23:40:50,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 23:40:50,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 23:40:50,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 23:40:50,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 23:40:50,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 23:40:50,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 23:40:50,394 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 23:40:50,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 23:40:50,395 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 23:40:50,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 23:40:50,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 23:40:50,395 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 23:40:50,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 23:40:50,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 23:40:50,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:40:50,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 23:40:50,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 23:40:50,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 23:40:50,397 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 23:40:50,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 23:40:50,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 23:40:50,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 23:40:50,686 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 23:40:50,686 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 23:40:50,687 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gcnr2008.i [2020-07-08 23:40:50,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42d5ef1e8/7b7db18b00854cd2a7300c4de5d201d3/FLAGe2d38e570 [2020-07-08 23:40:51,149 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 23:40:51,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gcnr2008.i [2020-07-08 23:40:51,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42d5ef1e8/7b7db18b00854cd2a7300c4de5d201d3/FLAGe2d38e570 [2020-07-08 23:40:51,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42d5ef1e8/7b7db18b00854cd2a7300c4de5d201d3 [2020-07-08 23:40:51,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 23:40:51,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 23:40:51,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 23:40:51,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 23:40:51,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 23:40:51,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:40:51" (1/1) ... [2020-07-08 23:40:51,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268ec4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51, skipping insertion in model container [2020-07-08 23:40:51,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:40:51" (1/1) ... [2020-07-08 23:40:51,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 23:40:51,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 23:40:51,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:40:51,838 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 23:40:51,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:40:51,873 INFO L208 MainTranslator]: Completed translation [2020-07-08 23:40:51,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51 WrapperNode [2020-07-08 23:40:51,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 23:40:51,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 23:40:51,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 23:40:51,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 23:40:51,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51" (1/1) ... [2020-07-08 23:40:51,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51" (1/1) ... [2020-07-08 23:40:51,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51" (1/1) ... [2020-07-08 23:40:51,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51" (1/1) ... [2020-07-08 23:40:51,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51" (1/1) ... [2020-07-08 23:40:51,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51" (1/1) ... [2020-07-08 23:40:51,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51" (1/1) ... [2020-07-08 23:40:51,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 23:40:51,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 23:40:51,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 23:40:51,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 23:40:51,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51" (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 [2020-07-08 23:40:52,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 23:40:52,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 23:40:52,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 23:40:52,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 23:40:52,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 23:40:52,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 23:40:52,061 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 23:40:52,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 23:40:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 23:40:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 23:40:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 23:40:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 23:40:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 23:40:52,362 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 23:40:52,363 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-08 23:40:52,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:40:52 BoogieIcfgContainer [2020-07-08 23:40:52,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 23:40:52,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 23:40:52,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 23:40:52,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 23:40:52,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:40:51" (1/3) ... [2020-07-08 23:40:52,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303a2897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:40:52, skipping insertion in model container [2020-07-08 23:40:52,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:40:51" (2/3) ... [2020-07-08 23:40:52,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303a2897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:40:52, skipping insertion in model container [2020-07-08 23:40:52,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:40:52" (3/3) ... [2020-07-08 23:40:52,379 INFO L109 eAbstractionObserver]: Analyzing ICFG gcnr2008.i [2020-07-08 23:40:52,399 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 23:40:52,414 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 23:40:52,444 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 23:40:52,494 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 23:40:52,494 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 23:40:52,495 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 23:40:52,495 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 23:40:52,495 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 23:40:52,495 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 23:40:52,495 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 23:40:52,496 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 23:40:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-08 23:40:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-08 23:40:52,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:40:52,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:40:52,529 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:40:52,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:40:52,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1056406919, now seen corresponding path program 1 times [2020-07-08 23:40:52,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:40:52,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601023628] [2020-07-08 23:40:52,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:40:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:40:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:40:52,670 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-08 23:40:52,671 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {48#true} {48#true} #86#return; {48#true} is VALID [2020-07-08 23:40:52,673 INFO L263 TraceCheckUtils]: 0: Hoare triple {48#true} call ULTIMATE.init(); {48#true} is VALID [2020-07-08 23:40:52,674 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-08 23:40:52,674 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {48#true} {48#true} #86#return; {48#true} is VALID [2020-07-08 23:40:52,674 INFO L263 TraceCheckUtils]: 3: Hoare triple {48#true} call #t~ret3 := main(); {48#true} is VALID [2020-07-08 23:40:52,675 INFO L280 TraceCheckUtils]: 4: Hoare triple {48#true} havoc ~x~0; {48#true} is VALID [2020-07-08 23:40:52,675 INFO L280 TraceCheckUtils]: 5: Hoare triple {48#true} havoc ~y~0; {48#true} is VALID [2020-07-08 23:40:52,676 INFO L280 TraceCheckUtils]: 6: Hoare triple {48#true} havoc ~z~0; {48#true} is VALID [2020-07-08 23:40:52,676 INFO L280 TraceCheckUtils]: 7: Hoare triple {48#true} havoc ~w~0; {48#true} is VALID [2020-07-08 23:40:52,676 INFO L280 TraceCheckUtils]: 8: Hoare triple {48#true} ~w~0 := 0; {48#true} is VALID [2020-07-08 23:40:52,677 INFO L280 TraceCheckUtils]: 9: Hoare triple {48#true} ~z~0 := ~w~0; {48#true} is VALID [2020-07-08 23:40:52,677 INFO L280 TraceCheckUtils]: 10: Hoare triple {48#true} ~y~0 := ~z~0; {48#true} is VALID [2020-07-08 23:40:52,678 INFO L280 TraceCheckUtils]: 11: Hoare triple {48#true} ~x~0 := ~y~0; {48#true} is VALID [2020-07-08 23:40:52,683 INFO L280 TraceCheckUtils]: 12: Hoare triple {48#true} assume !true; {49#false} is VALID [2020-07-08 23:40:52,683 INFO L263 TraceCheckUtils]: 13: Hoare triple {49#false} call __VERIFIER_assert((if ~x~0 >= 4 && ~y~0 <= 2 then 1 else 0)); {49#false} is VALID [2020-07-08 23:40:52,683 INFO L280 TraceCheckUtils]: 14: Hoare triple {49#false} ~cond := #in~cond; {49#false} is VALID [2020-07-08 23:40:52,684 INFO L280 TraceCheckUtils]: 15: Hoare triple {49#false} assume 0 == ~cond; {49#false} is VALID [2020-07-08 23:40:52,684 INFO L280 TraceCheckUtils]: 16: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-08 23:40:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:40:52,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601023628] [2020-07-08 23:40:52,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:40:52,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-08 23:40:52,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675052318] [2020-07-08 23:40:52,697 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2020-07-08 23:40:52,699 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:40:52,702 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-08 23:40:52,742 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:40:52,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-08 23:40:52,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:40:52,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-08 23:40:52,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-08 23:40:52,754 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2020-07-08 23:40:52,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:40:52,880 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2020-07-08 23:40:52,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-08 23:40:52,881 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2020-07-08 23:40:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:40:52,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-08 23:40:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 64 transitions. [2020-07-08 23:40:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-08 23:40:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 64 transitions. [2020-07-08 23:40:52,899 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 64 transitions. [2020-07-08 23:40:52,998 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:40:53,010 INFO L225 Difference]: With dead ends: 57 [2020-07-08 23:40:53,010 INFO L226 Difference]: Without dead ends: 38 [2020-07-08 23:40:53,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-08 23:40:53,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-08 23:40:53,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-07-08 23:40:53,074 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:40:53,074 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 38 states. [2020-07-08 23:40:53,075 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-08 23:40:53,075 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-08 23:40:53,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:40:53,081 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-07-08 23:40:53,081 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-07-08 23:40:53,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:40:53,082 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:40:53,083 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-08 23:40:53,083 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-08 23:40:53,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:40:53,088 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-07-08 23:40:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-07-08 23:40:53,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:40:53,090 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:40:53,090 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:40:53,090 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:40:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-08 23:40:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-07-08 23:40:53,095 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 17 [2020-07-08 23:40:53,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:40:53,096 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-07-08 23:40:53,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-08 23:40:53,097 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 38 states and 42 transitions. [2020-07-08 23:40:53,152 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:40:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-07-08 23:40:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-08 23:40:53,153 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:40:53,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:40:53,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 23:40:53,154 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:40:53,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:40:53,155 INFO L82 PathProgramCache]: Analyzing trace with hash -588270500, now seen corresponding path program 1 times [2020-07-08 23:40:53,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:40:53,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053032232] [2020-07-08 23:40:53,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:40:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 23:40:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 23:40:53,210 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 23:40:53,211 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 23:40:53,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 23:40:53,233 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 23:40:53,233 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:40:53,233 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:40:53,234 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 23:40:53,234 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 23:40:53,234 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 23:40:53,234 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 23:40:53,235 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:40:53,235 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:40:53,235 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 23:40:53,235 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 23:40:53,235 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-08 23:40:53,236 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-08 23:40:53,236 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-08 23:40:53,236 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 23:40:53,236 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-08 23:40:53,236 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-08 23:40:53,236 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-08 23:40:53,237 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 23:40:53,237 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 23:40:53,237 WARN L170 areAnnotationChecker]: L7-2 has no Hoare annotation [2020-07-08 23:40:53,237 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2020-07-08 23:40:53,237 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 23:40:53,238 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-08 23:40:53,238 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 23:40:53,238 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-08 23:40:53,238 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 23:40:53,238 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2020-07-08 23:40:53,238 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 23:40:53,239 WARN L170 areAnnotationChecker]: L15-3 has no Hoare annotation [2020-07-08 23:40:53,239 WARN L170 areAnnotationChecker]: L16-5 has no Hoare annotation [2020-07-08 23:40:53,239 WARN L170 areAnnotationChecker]: L16-5 has no Hoare annotation [2020-07-08 23:40:53,239 WARN L170 areAnnotationChecker]: L16-6 has no Hoare annotation [2020-07-08 23:40:53,239 WARN L170 areAnnotationChecker]: L16-6 has no Hoare annotation [2020-07-08 23:40:53,240 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 23:40:53,240 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 23:40:53,240 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-08 23:40:53,240 WARN L170 areAnnotationChecker]: L16-4 has no Hoare annotation [2020-07-08 23:40:53,240 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-08 23:40:53,240 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-08 23:40:53,241 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-08 23:40:53,241 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-08 23:40:53,241 WARN L170 areAnnotationChecker]: L17-4 has no Hoare annotation [2020-07-08 23:40:53,241 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-08 23:40:53,241 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-08 23:40:53,241 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 23:40:53,242 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-08 23:40:53,242 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-08 23:40:53,242 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-08 23:40:53,242 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-08 23:40:53,242 WARN L170 areAnnotationChecker]: L20-3 has no Hoare annotation [2020-07-08 23:40:53,242 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-08 23:40:53,243 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 23:40:53,243 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 23:40:53,243 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 23:40:53,243 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 23:40:53,243 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 23:40:53,243 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 23:40:53,244 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 23:40:53,244 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 23:40:53,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:40:53 BoogieIcfgContainer [2020-07-08 23:40:53,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 23:40:53,251 INFO L168 Benchmark]: Toolchain (without parser) took 1635.07 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 100.5 MB in the beginning and 87.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:53,252 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 119.3 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 23:40:53,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.32 ms. Allocated memory is still 142.6 MB. Free memory was 100.1 MB in the beginning and 90.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:53,254 INFO L168 Benchmark]: Boogie Preprocessor took 122.68 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 90.3 MB in the beginning and 179.4 MB in the end (delta: -89.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:53,255 INFO L168 Benchmark]: RCFGBuilder took 370.64 ms. Allocated memory is still 199.8 MB. Free memory was 179.4 MB in the beginning and 156.1 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:53,256 INFO L168 Benchmark]: TraceAbstraction took 877.99 ms. Allocated memory is still 199.8 MB. Free memory was 155.4 MB in the beginning and 87.4 MB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. [2020-07-08 23:40:53,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 119.3 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.32 ms. Allocated memory is still 142.6 MB. Free memory was 100.1 MB in the beginning and 90.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.68 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 90.3 MB in the beginning and 179.4 MB in the end (delta: -89.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.64 ms. Allocated memory is still 199.8 MB. Free memory was 179.4 MB in the beginning and 156.1 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 877.99 ms. Allocated memory is still 199.8 MB. Free memory was 155.4 MB in the beginning and 87.4 MB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int x,y,z,w; [L15] EXPR w = 0 VAL [w=0] [L15] EXPR z = w = 0 VAL [w=0, z=0] [L15] EXPR y = z = w = 0 VAL [w=0, y=0, z=0] [L15] x = y = z = w = 0 VAL [w=0, x=0, y=0, z=0] [L16] COND FALSE !(__VERIFIER_nondet_int() && y < 10000) VAL [__VERIFIER_nondet_int()=0, w=0, x=0, y=0, z=0] [L31] CALL __VERIFIER_assert(x >= 4 && y <= 2) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 49 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...