/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:41:10,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:41:10,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:41:10,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:41:10,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:41:10,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:41:10,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:41:10,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:41:10,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:41:10,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:41:10,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:41:10,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:41:10,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:41:10,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:41:10,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:41:10,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:41:10,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:41:10,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:41:10,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:41:10,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:41:10,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:41:10,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:41:10,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:41:10,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:41:10,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:41:10,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:41:10,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:41:10,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:41:10,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 22:41:10,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:41:10,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:41:10,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:41:10,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:41:10,482 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:41:10,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:41:10,484 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:41:10,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:41:10,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:41:10,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:41:10,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:41:10,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:41:10,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:41:10,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:41:10,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:41:10,487 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:41:10,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:41:10,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:41:10,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:41:10,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:41:10,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:41:10,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:41:10,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:41:10,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:41:10,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:41:10,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:41:10,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:41:10,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:41:10,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:41:10,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:41:10,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:41:10,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:41:10,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:41:10,970 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:41:10,971 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:41:10,972 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test09.c [2020-07-21 22:41:11,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142a32342/9345c32168b14435863f8fb425e173a5/FLAGcd85f998f [2020-07-21 22:41:11,885 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:41:11,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test09.c [2020-07-21 22:41:11,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142a32342/9345c32168b14435863f8fb425e173a5/FLAGcd85f998f [2020-07-21 22:41:12,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142a32342/9345c32168b14435863f8fb425e173a5 [2020-07-21 22:41:12,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:41:12,159 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:41:12,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:41:12,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:41:12,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:41:12,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:41:12" (1/1) ... [2020-07-21 22:41:12,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a71685b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12, skipping insertion in model container [2020-07-21 22:41:12,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:41:12" (1/1) ... [2020-07-21 22:41:12,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:41:12,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:41:12,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:41:12,568 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:41:12,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:41:12,630 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:41:12,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12 WrapperNode [2020-07-21 22:41:12,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:41:12,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:41:12,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:41:12,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:41:12,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12" (1/1) ... [2020-07-21 22:41:12,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12" (1/1) ... [2020-07-21 22:41:12,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12" (1/1) ... [2020-07-21 22:41:12,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12" (1/1) ... [2020-07-21 22:41:12,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12" (1/1) ... [2020-07-21 22:41:12,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12" (1/1) ... [2020-07-21 22:41:12,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12" (1/1) ... [2020-07-21 22:41:12,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:41:12,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:41:12,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:41:12,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:41:12,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12" (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 [2020-07-21 22:41:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:41:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:41:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-21 22:41:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:41:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:41:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-21 22:41:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 22:41:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:41:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 22:41:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:41:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 22:41:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 22:41:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:41:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 22:41:13,289 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:41:13,289 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 22:41:13,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:41:13 BoogieIcfgContainer [2020-07-21 22:41:13,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:41:13,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:41:13,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:41:13,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:41:13,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:41:12" (1/3) ... [2020-07-21 22:41:13,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:41:13, skipping insertion in model container [2020-07-21 22:41:13,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:41:12" (2/3) ... [2020-07-21 22:41:13,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:41:13, skipping insertion in model container [2020-07-21 22:41:13,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:41:13" (3/3) ... [2020-07-21 22:41:13,313 INFO L109 eAbstractionObserver]: Analyzing ICFG test09.c [2020-07-21 22:41:13,334 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:41:13,348 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:41:13,375 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:41:13,420 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:41:13,422 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:41:13,422 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:41:13,422 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:41:13,422 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:41:13,423 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:41:13,423 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:41:13,423 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:41:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-21 22:41:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-21 22:41:13,510 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:41:13,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:41:13,515 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:41:13,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:41:13,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1889415219, now seen corresponding path program 1 times [2020-07-21 22:41:13,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:41:13,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957485476] [2020-07-21 22:41:13,547 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:41:13,776 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:41:13,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:41:13,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 22:41:13,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:41:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:41:13,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:41:13,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957485476] [2020-07-21 22:41:13,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:41:13,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 22:41:13,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786324144] [2020-07-21 22:41:13,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 22:41:13,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:41:13,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 22:41:13,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 22:41:13,970 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-07-21 22:41:14,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:41:14,101 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2020-07-21 22:41:14,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 22:41:14,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-07-21 22:41:14,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:41:14,123 INFO L225 Difference]: With dead ends: 33 [2020-07-21 22:41:14,123 INFO L226 Difference]: Without dead ends: 15 [2020-07-21 22:41:14,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 22:41:14,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-07-21 22:41:14,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-07-21 22:41:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-21 22:41:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-07-21 22:41:14,200 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2020-07-21 22:41:14,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:41:14,202 INFO L479 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-07-21 22:41:14,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 22:41:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-07-21 22:41:14,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-21 22:41:14,203 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:41:14,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:41:14,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:41:14,413 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:41:14,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:41:14,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1918044370, now seen corresponding path program 1 times [2020-07-21 22:41:14,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:41:14,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492671734] [2020-07-21 22:41:14,415 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:41:14,538 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:41:14,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:41:14,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 22:41:14,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:41:14,616 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2020-07-21 22:41:14,619 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-07-21 22:41:14,652 INFO L624 ElimStorePlain]: treesize reduction 14, result has 22.2 percent of original size [2020-07-21 22:41:14,653 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:41:14,654 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2020-07-21 22:41:14,691 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-07-21 22:41:14,693 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:41:14,714 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:41:14,715 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:41:14,716 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:25 [2020-07-21 22:41:14,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:41:14,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:41:14,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492671734] [2020-07-21 22:41:14,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:41:14,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 22:41:14,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749663940] [2020-07-21 22:41:14,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:41:14,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:41:14,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:41:14,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:41:14,917 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 7 states. [2020-07-21 22:41:15,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:41:15,114 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2020-07-21 22:41:15,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:41:15,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-07-21 22:41:15,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:41:15,118 INFO L225 Difference]: With dead ends: 15 [2020-07-21 22:41:15,118 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:41:15,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:41:15,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:41:15,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:41:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:41:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:41:15,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-07-21 22:41:15,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:41:15,124 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:41:15,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:41:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:41:15,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:41:15,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:41:15,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:41:15,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:41:15,657 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:41:15,658 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:41:15,658 INFO L268 CegarLoopResult]: For program point L9(lines 9 14) no Hoare annotation was computed. [2020-07-21 22:41:15,658 INFO L268 CegarLoopResult]: For program point fEXIT(lines 7 15) no Hoare annotation was computed. [2020-07-21 22:41:15,659 INFO L264 CegarLoopResult]: At program point fENTRY(lines 7 15) the Hoare annotation is: (or (not (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (not (= 4 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= |~#b~0.base| |~#a~0.base|) (not (= |old(~p1~0.base)| |~#a~0.base|)) (and (= |old(~p1~0.offset)| ~p1~0.offset) (= |~#a~0.base| ~p1~0.base)) (= ~p2~0.base |~#a~0.base|) (not (= |old(~p1~0.offset)| |~#a~0.offset|))) [2020-07-21 22:41:15,659 INFO L268 CegarLoopResult]: For program point fFINAL(lines 7 15) no Hoare annotation was computed. [2020-07-21 22:41:15,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:41:15,660 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= |~#b~0.base| |~#a~0.base|)) (= ~p2~0.offset ~p1~0.offset) (= ~p2~0.base ~p1~0.base)) [2020-07-21 22:41:15,660 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:41:15,660 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:41:15,661 INFO L264 CegarLoopResult]: At program point L32(lines 17 39) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= |old(~p2~0.offset)| |old(~p1~0.offset)|)) (not (= |old(~p1~0.base)| |old(~p2~0.base)|))) [2020-07-21 22:41:15,661 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2020-07-21 22:41:15,661 INFO L268 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-07-21 22:41:15,661 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 17 39) the Hoare annotation is: (or (not (= |old(~p2~0.offset)| |old(~p1~0.offset)|)) (not (= |old(~p1~0.base)| |old(~p2~0.base)|)) (= |~#b~0.base| |~#a~0.base|) (and (= ~p2~0.offset ~p1~0.offset) (= ~p2~0.base ~p1~0.base))) [2020-07-21 22:41:15,662 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 17 39) no Hoare annotation was computed. [2020-07-21 22:41:15,662 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (or (not (= |old(~p2~0.offset)| |old(~p1~0.offset)|)) (not (= |old(~p1~0.base)| |old(~p2~0.base)|)) (= |~#b~0.base| |~#a~0.base|) (and (= 1 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset)) (= ~p1~0.offset |~#a~0.offset|) (= 4 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (not (= ~p2~0.base |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base))) [2020-07-21 22:41:15,662 INFO L268 CegarLoopResult]: For program point L27-1(line 27) no Hoare annotation was computed. [2020-07-21 22:41:15,662 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 17 39) no Hoare annotation was computed. [2020-07-21 22:41:15,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:41:15 BoogieIcfgContainer [2020-07-21 22:41:15,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:41:15,702 INFO L168 Benchmark]: Toolchain (without parser) took 3544.54 ms. Allocated memory was 136.3 MB in the beginning and 229.6 MB in the end (delta: 93.3 MB). Free memory was 101.0 MB in the beginning and 177.5 MB in the end (delta: -76.5 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:41:15,704 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 136.3 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-21 22:41:15,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.90 ms. Allocated memory is still 136.3 MB. Free memory was 100.8 MB in the beginning and 90.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-21 22:41:15,706 INFO L168 Benchmark]: Boogie Preprocessor took 219.38 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 90.9 MB in the beginning and 180.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2020-07-21 22:41:15,708 INFO L168 Benchmark]: RCFGBuilder took 443.55 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 165.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2020-07-21 22:41:15,710 INFO L168 Benchmark]: TraceAbstraction took 2399.77 ms. Allocated memory was 202.4 MB in the beginning and 229.6 MB in the end (delta: 27.3 MB). Free memory was 165.7 MB in the beginning and 177.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2020-07-21 22:41:15,715 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 ms. Allocated memory is still 136.3 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 472.90 ms. Allocated memory is still 136.3 MB. Free memory was 100.8 MB in the beginning and 90.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 219.38 ms. Allocated memory was 136.3 MB in the beginning and 202.4 MB in the end (delta: 66.1 MB). Free memory was 90.9 MB in the beginning and 180.8 MB in the end (delta: -90.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 443.55 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 165.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2399.77 ms. Allocated memory was 202.4 MB in the beginning and 229.6 MB in the end (delta: 27.3 MB). Free memory was 165.7 MB in the beginning and 177.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (a == b || !(\old(p2) == \old(p1))) || !(\old(p1) == \old(p2)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 11 SDslu, 32 SDs, 0 SdLazy, 26 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 119 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 28 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 3081 SizeOfPredicates, 12 NumberOfNonLiveVariables, 267 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...