/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/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/bitvector-loops/diamond_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:37:41,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:37:41,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:37:41,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:37:41,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:37:41,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:37:41,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:37:41,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:37:41,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:37:41,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:37:41,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:37:41,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:37:41,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:37:41,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:37:41,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:37:41,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:37:41,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:37:41,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:37:41,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:37:41,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:37:41,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:37:41,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:37:41,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:37:41,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:37:41,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:37:41,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:37:41,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:37:41,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:37:41,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:37:41,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:37:41,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:37:41,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:37:41,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:37:41,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:37:41,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:37:41,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:37:41,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:37:41,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:37:41,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:37:41,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:37:41,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:37:41,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 21:37:41,339 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:37:41,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:37:41,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:37:41,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:37:41,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:37:41,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:37:41,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:37:41,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:37:41,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:37:41,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:37:41,344 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:37:41,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:37:41,344 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:37:41,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:37:41,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:37:41,345 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:37:41,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:37:41,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:37:41,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:37:41,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:37:41,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:37:41,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:37:41,347 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 [2020-09-04 21:37:41,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:37:41,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:37:41,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:37:41,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:37:41,808 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:37:41,809 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-loops/diamond_2-1.c [2020-09-04 21:37:41,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2198a4be0/bc7c61eb539743439ff7fd6ef460ec12/FLAG47004734e [2020-09-04 21:37:42,384 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:37:42,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector-loops/diamond_2-1.c [2020-09-04 21:37:42,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2198a4be0/bc7c61eb539743439ff7fd6ef460ec12/FLAG47004734e [2020-09-04 21:37:42,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2198a4be0/bc7c61eb539743439ff7fd6ef460ec12 [2020-09-04 21:37:42,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:37:42,754 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:37:42,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:37:42,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:37:42,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:37:42,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:37:42" (1/1) ... [2020-09-04 21:37:42,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e37eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:42, skipping insertion in model container [2020-09-04 21:37:42,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:37:42" (1/1) ... [2020-09-04 21:37:42,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:37:42,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:37:43,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:37:43,047 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:37:43,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:37:43,098 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:37:43,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43 WrapperNode [2020-09-04 21:37:43,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:37:43,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:37:43,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:37:43,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:37:43,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43" (1/1) ... [2020-09-04 21:37:43,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43" (1/1) ... [2020-09-04 21:37:43,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43" (1/1) ... [2020-09-04 21:37:43,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43" (1/1) ... [2020-09-04 21:37:43,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43" (1/1) ... [2020-09-04 21:37:43,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43" (1/1) ... [2020-09-04 21:37:43,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43" (1/1) ... [2020-09-04 21:37:43,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:37:43,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:37:43,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:37:43,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:37:43,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:37:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:37:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:37:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 21:37:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:37:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:37:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-04 21:37:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 21:37:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:37:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:37:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:37:43,619 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:37:43,619 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 21:37:43,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:37:43 BoogieIcfgContainer [2020-09-04 21:37:43,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:37:43,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:37:43,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:37:43,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:37:43,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:37:42" (1/3) ... [2020-09-04 21:37:43,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24be778a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:37:43, skipping insertion in model container [2020-09-04 21:37:43,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:37:43" (2/3) ... [2020-09-04 21:37:43,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24be778a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:37:43, skipping insertion in model container [2020-09-04 21:37:43,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:37:43" (3/3) ... [2020-09-04 21:37:43,634 INFO L109 eAbstractionObserver]: Analyzing ICFG diamond_2-1.c [2020-09-04 21:37:43,646 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:37:43,661 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:37:43,702 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:37:43,751 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:37:43,751 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:37:43,751 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:37:43,751 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:37:43,752 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:37:43,752 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:37:43,752 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:37:43,752 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:37:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-09-04 21:37:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-04 21:37:43,786 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:37:43,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:37:43,787 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:37:43,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:37:43,795 INFO L82 PathProgramCache]: Analyzing trace with hash -7732671, now seen corresponding path program 1 times [2020-09-04 21:37:43,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:37:43,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168420897] [2020-09-04 21:37:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:37:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:37:43,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:37:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:37:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 21:37:43,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168420897] [2020-09-04 21:37:43,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:37:43,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-04 21:37:43,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084968393] [2020-09-04 21:37:43,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-04 21:37:43,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:37:43,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-04 21:37:43,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-04 21:37:43,971 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2020-09-04 21:37:44,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:37:44,006 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2020-09-04 21:37:44,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-04 21:37:44,008 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-09-04 21:37:44,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:37:44,018 INFO L225 Difference]: With dead ends: 62 [2020-09-04 21:37:44,019 INFO L226 Difference]: Without dead ends: 45 [2020-09-04 21:37:44,023 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 [2020-09-04 21:37:44,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-09-04 21:37:44,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-09-04 21:37:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-09-04 21:37:44,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2020-09-04 21:37:44,077 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 12 [2020-09-04 21:37:44,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:37:44,078 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2020-09-04 21:37:44,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-04 21:37:44,078 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2020-09-04 21:37:44,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-04 21:37:44,079 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:37:44,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:37:44,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:37:44,080 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:37:44,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:37:44,081 INFO L82 PathProgramCache]: Analyzing trace with hash -87155477, now seen corresponding path program 1 times [2020-09-04 21:37:44,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:37:44,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237383932] [2020-09-04 21:37:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:37:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:37:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:37:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:37:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 21:37:44,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237383932] [2020-09-04 21:37:44,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:37:44,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 21:37:44,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926447127] [2020-09-04 21:37:44,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 21:37:44,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:37:44,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 21:37:44,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 21:37:44,227 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 3 states. [2020-09-04 21:37:44,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:37:44,314 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2020-09-04 21:37:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 21:37:44,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-09-04 21:37:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:37:44,316 INFO L225 Difference]: With dead ends: 55 [2020-09-04 21:37:44,317 INFO L226 Difference]: Without dead ends: 50 [2020-09-04 21:37:44,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 21:37:44,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-04 21:37:44,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2020-09-04 21:37:44,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-09-04 21:37:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2020-09-04 21:37:44,330 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 12 [2020-09-04 21:37:44,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:37:44,330 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2020-09-04 21:37:44,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 21:37:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2020-09-04 21:37:44,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-04 21:37:44,332 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:37:44,332 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:37:44,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:37:44,333 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:37:44,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:37:44,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1575516068, now seen corresponding path program 1 times [2020-09-04 21:37:44,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:37:44,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977777617] [2020-09-04 21:37:44,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:37:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:37:44,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:37:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:37:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 21:37:44,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977777617] [2020-09-04 21:37:44,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:37:44,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 21:37:44,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582076639] [2020-09-04 21:37:44,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 21:37:44,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:37:44,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 21:37:44,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 21:37:44,394 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand 3 states. [2020-09-04 21:37:44,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:37:44,499 INFO L93 Difference]: Finished difference Result 96 states and 127 transitions. [2020-09-04 21:37:44,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 21:37:44,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-04 21:37:44,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:37:44,503 INFO L225 Difference]: With dead ends: 96 [2020-09-04 21:37:44,503 INFO L226 Difference]: Without dead ends: 58 [2020-09-04 21:37:44,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 21:37:44,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-09-04 21:37:44,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2020-09-04 21:37:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-09-04 21:37:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2020-09-04 21:37:44,528 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 33 [2020-09-04 21:37:44,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:37:44,528 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2020-09-04 21:37:44,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 21:37:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2020-09-04 21:37:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-04 21:37:44,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:37:44,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:37:44,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:37:44,531 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:37:44,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:37:44,532 INFO L82 PathProgramCache]: Analyzing trace with hash 132907260, now seen corresponding path program 1 times [2020-09-04 21:37:44,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:37:44,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904489673] [2020-09-04 21:37:44,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:37:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:37:44,590 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:37:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:37:44,611 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:37:44,634 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 21:37:44,634 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 21:37:44,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:37:44,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:37:44 BoogieIcfgContainer [2020-09-04 21:37:44,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 21:37:44,670 INFO L168 Benchmark]: Toolchain (without parser) took 1914.44 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 104.9 MB in the beginning and 112.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. [2020-09-04 21:37:44,671 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 21:37:44,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.63 ms. Allocated memory is still 140.5 MB. Free memory was 104.4 MB in the beginning and 94.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-09-04 21:37:44,673 INFO L168 Benchmark]: Boogie Preprocessor took 150.01 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 94.4 MB in the beginning and 182.6 MB in the end (delta: -88.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 21:37:44,674 INFO L168 Benchmark]: RCFGBuilder took 375.08 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 165.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2020-09-04 21:37:44,675 INFO L168 Benchmark]: TraceAbstraction took 1040.37 ms. Allocated memory is still 204.5 MB. Free memory was 165.0 MB in the beginning and 112.5 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. [2020-09-04 21:37:44,679 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 343.63 ms. Allocated memory is still 140.5 MB. Free memory was 104.4 MB in the beginning and 94.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.01 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 94.4 MB in the beginning and 182.6 MB in the end (delta: -88.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.08 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 165.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1040.37 ms. Allocated memory is still 204.5 MB. Free memory was 165.0 MB in the beginning and 112.5 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] unsigned int x = 0; VAL [x=0] [L13] unsigned int y = __VERIFIER_nondet_uint(); VAL [__VERIFIER_nondet_uint()=1, x=0, y=1] [L15] COND TRUE x < 99 VAL [x=0, y=1] [L16] COND FALSE !(y % 2 == 0) VAL [x=0, y=1] [L17] x += 2 VAL [x=2, y=1] [L19] COND FALSE !(y % 2 == 0) VAL [x=2, y=1] [L20] x -= 2 VAL [x=0, y=1] [L22] COND FALSE !(y % 2 == 0) VAL [x=0, y=1] [L23] x += 2 VAL [x=2, y=1] [L25] COND FALSE !(y % 2 == 0) VAL [x=2, y=1] [L26] x -= 2 VAL [x=0, y=1] [L28] COND FALSE !(y % 2 == 0) VAL [x=0, y=1] [L29] x += 2 VAL [x=2, y=1] [L31] COND FALSE !(y % 2 == 0) VAL [x=2, y=1] [L32] x -= 4 VAL [x=4294967294, y=1] [L34] COND FALSE !(y % 2 == 0) VAL [x=4294967294, y=1] [L35] x += 4 VAL [x=2, y=1] [L37] COND FALSE !(y % 2 == 0) VAL [x=2, y=1] [L38] x += 2 VAL [x=4, y=1] [L40] COND FALSE !(y % 2 == 0) VAL [x=4, y=1] [L41] x -= 4 VAL [x=0, y=1] [L43] COND FALSE !(y % 2 == 0) VAL [x=0, y=1] [L44] x -= 4 VAL [x=4294967292, y=1] [L15] COND FALSE !(x < 99) VAL [x=4294967292, y=1] [L47] CALL __VERIFIER_assert((x % 2) == (y % 2)) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 160 SDtfs, 24 SDslu, 53 SDs, 0 SdLazy, 47 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=3, 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 1912 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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...