./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3428809e66c8ffa9373e37ec3d02a46642c7f8bc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:51:56,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:51:56,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:51:56,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:51:56,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:51:56,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:51:56,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:51:56,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:51:56,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:51:56,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:51:56,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:51:56,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:51:56,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:51:56,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:51:56,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:51:56,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:51:56,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:51:56,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:51:56,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:51:56,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:51:56,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:51:56,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:51:56,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:51:56,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:51:56,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:51:56,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:51:56,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:51:56,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:51:56,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:51:56,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:51:56,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:51:56,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:51:56,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:51:56,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:51:56,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:51:56,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:51:56,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:51:56,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:51:56,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:51:56,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:51:56,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:51:56,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-28 02:51:56,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:51:56,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:51:56,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:51:56,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:51:56,270 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:51:56,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:51:56,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:51:56,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:51:56,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:51:56,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 02:51:56,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:51:56,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 02:51:56,272 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-28 02:51:56,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:51:56,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:51:56,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 02:51:56,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:51:56,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:51:56,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:51:56,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:51:56,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:51:56,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:51:56,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:51:56,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 02:51:56,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:51:56,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:51:56,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 02:51:56,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3428809e66c8ffa9373e37ec3d02a46642c7f8bc [2019-11-28 02:51:56,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:51:56,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:51:56,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:51:56,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:51:56,618 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:51:56,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2019-11-28 02:51:56,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfb8ed03/a1874450b4554d339e4e415edaec22c9/FLAG6cbadccda [2019-11-28 02:51:57,120 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:51:57,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2019-11-28 02:51:57,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfb8ed03/a1874450b4554d339e4e415edaec22c9/FLAG6cbadccda [2019-11-28 02:51:57,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfb8ed03/a1874450b4554d339e4e415edaec22c9 [2019-11-28 02:51:57,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:51:57,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:51:57,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:51:57,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:51:57,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:51:57,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:57,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad333ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57, skipping insertion in model container [2019-11-28 02:51:57,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:57,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:51:57,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:51:57,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:51:57,822 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:51:57,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:51:57,888 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:51:57,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57 WrapperNode [2019-11-28 02:51:57,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:51:57,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:51:57,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:51:57,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:51:57,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:57,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:57,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:51:57,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:51:58,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:51:58,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:51:58,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:58,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:58,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:58,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:58,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:58,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:58,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (1/1) ... [2019-11-28 02:51:58,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:51:58,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:51:58,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:51:58,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:51:58,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (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 [2019-11-28 02:51:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:51:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:51:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:51:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:51:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:51:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:51:58,426 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:51:58,427 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 02:51:58,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:51:58 BoogieIcfgContainer [2019-11-28 02:51:58,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:51:58,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:51:58,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:51:58,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:51:58,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:51:57" (1/3) ... [2019-11-28 02:51:58,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d96b143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:51:58, skipping insertion in model container [2019-11-28 02:51:58,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:57" (2/3) ... [2019-11-28 02:51:58,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d96b143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:51:58, skipping insertion in model container [2019-11-28 02:51:58,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:51:58" (3/3) ... [2019-11-28 02:51:58,462 INFO L109 eAbstractionObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2019-11-28 02:51:58,475 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:51:58,483 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-28 02:51:58,497 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-28 02:51:58,524 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:51:58,525 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 02:51:58,525 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:51:58,525 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:51:58,525 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:51:58,525 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:51:58,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:51:58,526 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:51:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-28 02:51:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 02:51:58,550 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:51:58,552 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 02:51:58,552 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:51:58,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:51:58,559 INFO L82 PathProgramCache]: Analyzing trace with hash 889574220, now seen corresponding path program 1 times [2019-11-28 02:51:58,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:51:58,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587958812] [2019-11-28 02:51:58,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:51:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:51:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:51:58,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587958812] [2019-11-28 02:51:58,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:51:58,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:51:58,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400716937] [2019-11-28 02:51:58,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:51:58,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:51:58,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:51:58,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:51:58,777 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2019-11-28 02:51:58,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:51:58,878 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2019-11-28 02:51:58,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:51:58,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-28 02:51:58,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:51:58,889 INFO L225 Difference]: With dead ends: 60 [2019-11-28 02:51:58,889 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 02:51:58,892 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:51:58,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 02:51:58,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2019-11-28 02:51:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 02:51:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2019-11-28 02:51:58,927 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 6 [2019-11-28 02:51:58,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:51:58,928 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2019-11-28 02:51:58,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:51:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2019-11-28 02:51:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 02:51:58,928 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:51:58,929 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:51:58,929 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:51:58,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:51:58,930 INFO L82 PathProgramCache]: Analyzing trace with hash 180741427, now seen corresponding path program 1 times [2019-11-28 02:51:58,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:51:58,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850677218] [2019-11-28 02:51:58,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:51:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:51:58,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:51:58,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850677218] [2019-11-28 02:51:58,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:51:58,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:51:58,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575643157] [2019-11-28 02:51:58,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:51:58,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:51:58,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:51:58,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:51:58,976 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 3 states. [2019-11-28 02:51:59,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:51:59,009 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-11-28 02:51:59,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:51:59,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 02:51:59,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:51:59,012 INFO L225 Difference]: With dead ends: 35 [2019-11-28 02:51:59,012 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 02:51:59,014 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:51:59,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 02:51:59,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 02:51:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 02:51:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-11-28 02:51:59,024 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 8 [2019-11-28 02:51:59,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:51:59,024 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-11-28 02:51:59,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:51:59,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-11-28 02:51:59,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 02:51:59,025 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:51:59,025 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-28 02:51:59,026 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:51:59,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:51:59,026 INFO L82 PathProgramCache]: Analyzing trace with hash -869586168, now seen corresponding path program 1 times [2019-11-28 02:51:59,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:51:59,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737160802] [2019-11-28 02:51:59,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:51:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:51:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:51:59,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737160802] [2019-11-28 02:51:59,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813255546] [2019-11-28 02:51:59,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:51:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:51:59,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:51:59,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:51:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:51:59,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:51:59,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-11-28 02:51:59,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018918883] [2019-11-28 02:51:59,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:51:59,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:51:59,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:51:59,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:51:59,233 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 8 states. [2019-11-28 02:51:59,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:51:59,348 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2019-11-28 02:51:59,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 02:51:59,350 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-28 02:51:59,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:51:59,351 INFO L225 Difference]: With dead ends: 41 [2019-11-28 02:51:59,351 INFO L226 Difference]: Without dead ends: 40 [2019-11-28 02:51:59,352 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:51:59,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-28 02:51:59,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 27. [2019-11-28 02:51:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 02:51:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2019-11-28 02:51:59,358 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 10 [2019-11-28 02:51:59,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:51:59,359 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2019-11-28 02:51:59,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:51:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2019-11-28 02:51:59,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 02:51:59,360 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:51:59,360 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2019-11-28 02:51:59,563 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:51:59,563 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:51:59,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:51:59,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1187367381, now seen corresponding path program 1 times [2019-11-28 02:51:59,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:51:59,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108057426] [2019-11-28 02:51:59,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:51:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:51:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:51:59,658 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108057426] [2019-11-28 02:51:59,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101668200] [2019-11-28 02:51:59,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:51:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:51:59,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:51:59,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:51:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:51:59,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 02:51:59,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2019-11-28 02:51:59,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841496911] [2019-11-28 02:51:59,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:51:59,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:51:59,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:51:59,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:51:59,748 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 6 states. [2019-11-28 02:51:59,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:51:59,812 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2019-11-28 02:51:59,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:51:59,813 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-28 02:51:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:51:59,814 INFO L225 Difference]: With dead ends: 27 [2019-11-28 02:51:59,814 INFO L226 Difference]: Without dead ends: 26 [2019-11-28 02:51:59,815 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:51:59,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-28 02:51:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-28 02:51:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 02:51:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2019-11-28 02:51:59,821 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 11 [2019-11-28 02:51:59,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:51:59,821 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2019-11-28 02:51:59,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:51:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2019-11-28 02:51:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 02:51:59,823 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:51:59,823 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:52:00,027 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:52:00,028 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:52:00,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:52:00,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1844723183, now seen corresponding path program 1 times [2019-11-28 02:52:00,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:52:00,030 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209219926] [2019-11-28 02:52:00,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:52:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:52:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:52:00,169 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209219926] [2019-11-28 02:52:00,170 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761557270] [2019-11-28 02:52:00,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:52:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:52:00,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 02:52:00,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:52:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:52:00,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 02:52:00,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2019-11-28 02:52:00,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904378719] [2019-11-28 02:52:00,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:52:00,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:52:00,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:52:00,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:52:00,249 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 3 states. [2019-11-28 02:52:00,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:52:00,287 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2019-11-28 02:52:00,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:52:00,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-28 02:52:00,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:52:00,289 INFO L225 Difference]: With dead ends: 36 [2019-11-28 02:52:00,289 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 02:52:00,291 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:52:00,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 02:52:00,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2019-11-28 02:52:00,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 02:52:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-11-28 02:52:00,308 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 12 [2019-11-28 02:52:00,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:52:00,309 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-11-28 02:52:00,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:52:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-11-28 02:52:00,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:52:00,310 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:52:00,310 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:52:00,523 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:52:00,525 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:52:00,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:52:00,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1351843898, now seen corresponding path program 1 times [2019-11-28 02:52:00,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:52:00,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700042267] [2019-11-28 02:52:00,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:52:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:52:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:52:00,588 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700042267] [2019-11-28 02:52:00,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:52:00,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:52:00,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39691734] [2019-11-28 02:52:00,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:52:00,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:52:00,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:52:00,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:52:00,590 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 3 states. [2019-11-28 02:52:00,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:52:00,625 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-11-28 02:52:00,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:52:00,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-28 02:52:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:52:00,628 INFO L225 Difference]: With dead ends: 35 [2019-11-28 02:52:00,628 INFO L226 Difference]: Without dead ends: 34 [2019-11-28 02:52:00,629 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:52:00,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-28 02:52:00,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2019-11-28 02:52:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 02:52:00,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2019-11-28 02:52:00,634 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 13 [2019-11-28 02:52:00,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:52:00,634 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2019-11-28 02:52:00,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:52:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2019-11-28 02:52:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 02:52:00,635 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:52:00,636 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:52:00,636 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:52:00,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:52:00,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1042512047, now seen corresponding path program 1 times [2019-11-28 02:52:00,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:52:00,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679905079] [2019-11-28 02:52:00,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:52:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:52:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:52:00,692 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:52:00,692 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:52:00,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:52:00 BoogieIcfgContainer [2019-11-28 02:52:00,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:52:00,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:52:00,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:52:00,722 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:52:00,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:51:58" (3/4) ... [2019-11-28 02:52:00,725 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:52:00,772 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:52:00,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:52:00,774 INFO L168 Benchmark]: Toolchain (without parser) took 3268.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 960.4 MB in the beginning and 991.6 MB in the end (delta: -31.3 MB). Peak memory consumption was 117.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:00,775 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:52:00,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.05 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:00,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -196.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:00,778 INFO L168 Benchmark]: Boogie Preprocessor took 55.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:00,779 INFO L168 Benchmark]: RCFGBuilder took 375.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:00,779 INFO L168 Benchmark]: TraceAbstraction took 2283.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.2 MB in the end (delta: 121.2 MB). Peak memory consumption was 121.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:00,780 INFO L168 Benchmark]: Witness Printer took 50.30 ms. Allocated memory is still 1.2 GB. Free memory was 998.2 MB in the beginning and 991.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:00,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.05 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -196.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 375.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2283.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.2 MB in the end (delta: 121.2 MB). Peak memory consumption was 121.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.30 ms. Allocated memory is still 1.2 GB. Free memory was 998.2 MB in the beginning and 991.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int a_length = __VERIFIER_nondet_int(); [L13] COND FALSE !(a_length < 1) [L16] int a[a_length]; [L17] int j = 0; [L17] COND TRUE j < a_length [L18] a[j] = __VERIFIER_nondet_int() [L17] j++ [L17] COND FALSE !(j < a_length) [L20] int offset = 1; [L21] int i = 0; [L22] COND TRUE i < a_length [L23] EXPR a[i] [L23] COND FALSE !(a[i] < 0) [L26] EXPR i + offset [L26] EXPR a[i] [L26] i + offset + a[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 6 error locations. Result: UNSAFE, OverallTime: 2.1s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 97 SDtfs, 86 SDslu, 155 SDs, 0 SdLazy, 125 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 34 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 2282 SizeOfPredicates, 4 NumberOfNonLiveVariables, 124 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 6/17 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...