./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/nested5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/loops-crafted-1/nested5-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1f0fc7e11527245c3cf532e554dc105b5fd8e7e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:05:30,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:05:30,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:05:30,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:05:30,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:05:30,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:05:30,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:05:30,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:05:30,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:05:30,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:05:30,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:05:30,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:05:30,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:05:30,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:05:30,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:05:30,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:05:30,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:05:30,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:05:30,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:05:30,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:05:30,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:05:30,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:05:30,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:05:30,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:05:30,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:05:30,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:05:30,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:05:30,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:05:30,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:05:30,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:05:30,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:05:30,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:05:30,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:05:30,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:05:30,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:05:30,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:05:30,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:05:30,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:05:30,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:05:30,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:05:30,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:05:30,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:05:30,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:05:30,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:05:30,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:05:30,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:05:30,645 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:05:30,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:05:30,646 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:05:30,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:05:30,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:05:30,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:05:30,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:05:30,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:05:30,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:05:30,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:05:30,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:05:30,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:05:30,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:05:30,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:05:30,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:05:30,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:05:30,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:05:30,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:05:30,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:05:30,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:05:30,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:05:30,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:05:30,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:05:30,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:05:30,653 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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1f0fc7e11527245c3cf532e554dc105b5fd8e7e [2019-11-28 00:05:30,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:05:30,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:05:30,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:05:30,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:05:30,993 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:05:30,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/nested5-1.c [2019-11-28 00:05:31,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f87425cfd/e1469fbd2ca9494bb5f7435c58e56f53/FLAGcdbf68007 [2019-11-28 00:05:31,480 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:05:31,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/nested5-1.c [2019-11-28 00:05:31,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f87425cfd/e1469fbd2ca9494bb5f7435c58e56f53/FLAGcdbf68007 [2019-11-28 00:05:31,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f87425cfd/e1469fbd2ca9494bb5f7435c58e56f53 [2019-11-28 00:05:31,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:05:31,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:05:31,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:05:31,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:05:31,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:05:31,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:05:31" (1/1) ... [2019-11-28 00:05:31,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e49744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:31, skipping insertion in model container [2019-11-28 00:05:31,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:05:31" (1/1) ... [2019-11-28 00:05:31,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:05:31,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:05:32,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:05:32,108 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:05:32,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:05:32,156 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:05:32,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32 WrapperNode [2019-11-28 00:05:32,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:05:32,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:05:32,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:05:32,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:05:32,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (1/1) ... [2019-11-28 00:05:32,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (1/1) ... [2019-11-28 00:05:32,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:05:32,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:05:32,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:05:32,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:05:32,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (1/1) ... [2019-11-28 00:05:32,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (1/1) ... [2019-11-28 00:05:32,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (1/1) ... [2019-11-28 00:05:32,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (1/1) ... [2019-11-28 00:05:32,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (1/1) ... [2019-11-28 00:05:32,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (1/1) ... [2019-11-28 00:05:32,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (1/1) ... [2019-11-28 00:05:32,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:05:32,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:05:32,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:05:32,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:05:32,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (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 00:05:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:05:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:05:32,525 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:05:32,525 INFO L297 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-28 00:05:32,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:05:32 BoogieIcfgContainer [2019-11-28 00:05:32,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:05:32,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:05:32,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:05:32,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:05:32,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:05:31" (1/3) ... [2019-11-28 00:05:32,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6c733c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:05:32, skipping insertion in model container [2019-11-28 00:05:32,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:05:32" (2/3) ... [2019-11-28 00:05:32,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6c733c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:05:32, skipping insertion in model container [2019-11-28 00:05:32,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:05:32" (3/3) ... [2019-11-28 00:05:32,535 INFO L109 eAbstractionObserver]: Analyzing ICFG nested5-1.c [2019-11-28 00:05:32,545 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:05:32,553 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 00:05:32,566 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 00:05:32,599 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:05:32,599 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:05:32,600 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:05:32,603 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:05:32,603 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:05:32,604 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:05:32,604 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:05:32,605 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:05:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-28 00:05:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 00:05:32,646 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:05:32,647 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:05:32,648 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:05:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:05:32,657 INFO L82 PathProgramCache]: Analyzing trace with hash -548469862, now seen corresponding path program 1 times [2019-11-28 00:05:32,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:05:32,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775434906] [2019-11-28 00:05:32,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:05:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:05:32,890 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 00:05:32,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775434906] [2019-11-28 00:05:32,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:05:32,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:05:32,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392410035] [2019-11-28 00:05:32,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:05:32,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:05:32,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:05:32,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:05:32,923 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-11-28 00:05:32,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:05:32,972 INFO L93 Difference]: Finished difference Result 50 states and 79 transitions. [2019-11-28 00:05:32,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:05:32,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-28 00:05:32,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:05:32,982 INFO L225 Difference]: With dead ends: 50 [2019-11-28 00:05:32,983 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 00:05:32,986 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 00:05:33,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 00:05:33,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 16. [2019-11-28 00:05:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 00:05:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-11-28 00:05:33,022 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 9 [2019-11-28 00:05:33,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:05:33,023 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-28 00:05:33,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:05:33,023 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-11-28 00:05:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 00:05:33,024 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:05:33,024 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:05:33,025 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:05:33,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:05:33,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1254673340, now seen corresponding path program 1 times [2019-11-28 00:05:33,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:05:33,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129790965] [2019-11-28 00:05:33,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:05:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:05:33,158 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 00:05:33,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129790965] [2019-11-28 00:05:33,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435719253] [2019-11-28 00:05:33,160 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 00:05:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:05:33,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:05:33,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:05:33,247 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 00:05:33,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:05:33,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-11-28 00:05:33,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594415939] [2019-11-28 00:05:33,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:05:33,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:05:33,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:05:33,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:05:33,251 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 5 states. [2019-11-28 00:05:33,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:05:33,289 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2019-11-28 00:05:33,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 00:05:33,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-28 00:05:33,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:05:33,291 INFO L225 Difference]: With dead ends: 41 [2019-11-28 00:05:33,291 INFO L226 Difference]: Without dead ends: 26 [2019-11-28 00:05:33,292 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:05:33,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-28 00:05:33,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 18. [2019-11-28 00:05:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 00:05:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-11-28 00:05:33,300 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2019-11-28 00:05:33,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:05:33,301 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-11-28 00:05:33,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:05:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-28 00:05:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 00:05:33,302 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:05:33,302 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:05:33,507 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:05:33,508 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:05:33,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:05:33,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1091497122, now seen corresponding path program 2 times [2019-11-28 00:05:33,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:05:33,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513229728] [2019-11-28 00:05:33,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:05:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:05:33,607 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 00:05:33,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513229728] [2019-11-28 00:05:33,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43303410] [2019-11-28 00:05:33,608 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 00:05:33,651 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 00:05:33,651 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 00:05:33,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 00:05:33,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:05:33,676 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 00:05:33,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:05:33,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-11-28 00:05:33,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680360955] [2019-11-28 00:05:33,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:05:33,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:05:33,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:05:33,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:05:33,679 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 6 states. [2019-11-28 00:05:33,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:05:33,735 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2019-11-28 00:05:33,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:05:33,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-28 00:05:33,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:05:33,736 INFO L225 Difference]: With dead ends: 45 [2019-11-28 00:05:33,736 INFO L226 Difference]: Without dead ends: 28 [2019-11-28 00:05:33,737 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:05:33,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-28 00:05:33,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2019-11-28 00:05:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 00:05:33,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-11-28 00:05:33,743 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 13 [2019-11-28 00:05:33,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:05:33,743 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-11-28 00:05:33,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:05:33,744 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-11-28 00:05:33,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 00:05:33,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:05:33,745 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:05:33,946 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:05:33,950 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:05:33,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:05:33,951 INFO L82 PathProgramCache]: Analyzing trace with hash -903480704, now seen corresponding path program 3 times [2019-11-28 00:05:33,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:05:33,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108783991] [2019-11-28 00:05:33,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:05:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:05:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:05:34,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108783991] [2019-11-28 00:05:34,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809288813] [2019-11-28 00:05:34,098 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 00:05:34,350 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-28 00:05:34,351 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 00:05:34,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 00:05:34,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:05:34,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:05:34,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:05:34,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:05:34,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:05:34,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 00:05:37,007 WARN L192 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 43 DAG size of output: 19 [2019-11-28 00:05:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-28 00:05:37,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:05:37,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2019-11-28 00:05:37,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606252825] [2019-11-28 00:05:37,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:05:37,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:05:37,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:05:37,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:05:37,021 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 6 states. [2019-11-28 00:05:39,523 WARN L192 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 20 [2019-11-28 00:05:41,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:05:41,530 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2019-11-28 00:05:41,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:05:41,538 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 00:05:41,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:05:41,539 INFO L225 Difference]: With dead ends: 30 [2019-11-28 00:05:41,539 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:05:41,540 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-11-28 00:05:41,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:05:41,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:05:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:05:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:05:41,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-28 00:05:41,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:05:41,542 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:05:41,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:05:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:05:41,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:05:41,743 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:05:41,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:05:43,907 WARN L192 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2019-11-28 00:05:45,977 WARN L192 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2019-11-28 00:05:50,197 WARN L192 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2019-11-28 00:05:50,201 INFO L246 CegarLoopResult]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2019-11-28 00:05:50,201 INFO L242 CegarLoopResult]: At program point L19-3(lines 19 23) the Hoare annotation is: (or (< (mod ULTIMATE.start_main_~v~0 4294967296) 10) (and (exists ((ULTIMATE.start_main_~v~0 Int)) (let ((.cse1 (mod ULTIMATE.start_main_~v~0 4)) (.cse0 (mod ULTIMATE.start_main_~v~0 4294967296))) (and (<= 0 .cse0) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= .cse1 2147483647) (= .cse1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse0)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10))) [2019-11-28 00:05:50,201 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:05:50,201 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:05:50,202 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-28 00:05:50,202 INFO L249 CegarLoopResult]: At program point L24(lines 10 25) the Hoare annotation is: true [2019-11-28 00:05:50,202 INFO L242 CegarLoopResult]: At program point L20-2(lines 20 23) the Hoare annotation is: (or (< (mod ULTIMATE.start_main_~v~0 4294967296) 10) (and (exists ((ULTIMATE.start_main_~v~0 Int)) (let ((.cse1 (mod ULTIMATE.start_main_~v~0 4)) (.cse0 (mod ULTIMATE.start_main_~v~0 4294967296))) (and (<= 0 .cse0) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= .cse1 2147483647) (= .cse1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse0)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10))) [2019-11-28 00:05:50,202 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-28 00:05:50,202 INFO L242 CegarLoopResult]: At program point L4-2(lines 1 25) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~v~0 Int)) (let ((.cse1 (mod ULTIMATE.start_main_~v~0 4)) (.cse0 (mod ULTIMATE.start_main_~v~0 4294967296))) (and (<= 0 .cse0) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= .cse1 2147483647) (= .cse1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse0)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= 10 (mod ULTIMATE.start_main_~v~0 4294967296))) [2019-11-28 00:05:50,202 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:05:50,203 INFO L246 CegarLoopResult]: For program point L21-2(line 21) no Hoare annotation was computed. [2019-11-28 00:05:50,203 INFO L242 CegarLoopResult]: At program point L21-3(line 21) the Hoare annotation is: (or (and (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_main_~v~0 0)) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10)) [2019-11-28 00:05:50,203 INFO L246 CegarLoopResult]: For program point L21-4(line 21) no Hoare annotation was computed. [2019-11-28 00:05:50,203 INFO L246 CegarLoopResult]: For program point L17-2(lines 17 23) no Hoare annotation was computed. [2019-11-28 00:05:50,203 INFO L242 CegarLoopResult]: At program point L17-3(lines 17 23) the Hoare annotation is: (or (< (mod ULTIMATE.start_main_~v~0 4294967296) 10) (and (exists ((ULTIMATE.start_main_~v~0 Int)) (let ((.cse1 (mod ULTIMATE.start_main_~v~0 4)) (.cse0 (mod ULTIMATE.start_main_~v~0 4294967296))) (and (<= 0 .cse0) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= .cse1 2147483647) (= .cse1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse0)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10))) [2019-11-28 00:05:50,203 INFO L246 CegarLoopResult]: For program point L17-4(lines 17 23) no Hoare annotation was computed. [2019-11-28 00:05:50,204 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-28 00:05:50,204 INFO L246 CegarLoopResult]: For program point L18-2(lines 18 23) no Hoare annotation was computed. [2019-11-28 00:05:50,204 INFO L242 CegarLoopResult]: At program point L18-3(lines 18 23) the Hoare annotation is: (or (< (mod ULTIMATE.start_main_~v~0 4294967296) 10) (and (exists ((ULTIMATE.start_main_~v~0 Int)) (let ((.cse1 (mod ULTIMATE.start_main_~v~0 4)) (.cse0 (mod ULTIMATE.start_main_~v~0 4294967296))) (and (<= 0 .cse0) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10) (<= .cse1 2147483647) (= .cse1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 10 .cse0)))) (< (mod (+ ULTIMATE.start_main_~v~0 4294967295) 4294967296) 10))) [2019-11-28 00:05:50,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:05:50 BoogieIcfgContainer [2019-11-28 00:05:50,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:05:50,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:05:50,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:05:50,242 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:05:50,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:05:32" (3/4) ... [2019-11-28 00:05:50,247 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:05:50,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 00:05:50,257 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:05:50,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: v % 4294967296 < 10 || ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) [2019-11-28 00:05:50,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: v % 4294967296 < 10 || ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) [2019-11-28 00:05:50,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: v % 4294967296 < 10 || ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) [2019-11-28 00:05:50,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: v % 4294967296 < 10 || ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) [2019-11-28 00:05:50,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) && 10 <= v % 4294967296 [2019-11-28 00:05:50,306 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:05:50,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:05:50,308 INFO L168 Benchmark]: Toolchain (without parser) took 18434.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.3 MB in the beginning and 962.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:05:50,309 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:05:50,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.19 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 940.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:05:50,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.35 ms. Allocated memory is still 1.0 GB. Free memory is still 940.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:05:50,311 INFO L168 Benchmark]: Boogie Preprocessor took 84.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:05:50,312 INFO L168 Benchmark]: RCFGBuilder took 253.85 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:05:50,313 INFO L168 Benchmark]: TraceAbstraction took 17713.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.8 MB in the end (delta: 145.9 MB). Peak memory consumption was 145.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:05:50,313 INFO L168 Benchmark]: Witness Printer took 64.51 ms. Allocated memory is still 1.2 GB. Free memory was 968.8 MB in the beginning and 962.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:05:50,318 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.19 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 940.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.35 ms. Allocated memory is still 1.0 GB. Free memory is still 940.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 253.85 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17713.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.8 MB in the end (delta: 145.9 MB). Peak memory consumption was 145.9 MB. Max. memory is 11.5 GB. * Witness Printer took 64.51 ms. Allocated memory is still 1.2 GB. Free memory was 968.8 MB in the beginning and 962.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 18]: Loop Invariant [2019-11-28 00:05:50,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] Derived loop invariant: v % 4294967296 < 10 || ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) - InvariantResult [Line: 19]: Loop Invariant [2019-11-28 00:05:50,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] Derived loop invariant: v % 4294967296 < 10 || ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) - InvariantResult [Line: 1]: Loop Invariant [2019-11-28 00:05:50,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,346 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,346 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,347 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] Derived loop invariant: ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) && 10 <= v % 4294967296 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (0 <= v && v <= 0) || (v + 4294967295) % 4294967296 < 10 - InvariantResult [Line: 20]: Loop Invariant [2019-11-28 00:05:50,349 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,350 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] Derived loop invariant: v % 4294967296 < 10 || ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant [2019-11-28 00:05:50,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] [2019-11-28 00:05:50,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~v~0,QUANTIFIED] Derived loop invariant: v % 4294967296 < 10 || ((\exists ULTIMATE.start_main_~v~0 : int :: (((0 <= ULTIMATE.start_main_~v~0 % 4294967296 && (ULTIMATE.start_main_~v~0 + 4294967295) % 4294967296 < 10) && ULTIMATE.start_main_~v~0 % 4 <= 2147483647) && ULTIMATE.start_main_~v~0 % 4 == cond) && 10 <= ULTIMATE.start_main_~v~0 % 4294967296) && (v + 4294967295) % 4294967296 < 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 9.1s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, HoareTripleCheckerStatistics: 77 SDtfs, 87 SDslu, 130 SDs, 0 SdLazy, 81 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 6 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 24 NumberOfFragments, 230 HoareAnnotationTreeSize, 7 FomulaSimplifications, 112 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 87 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 80 ConstructedInterpolants, 1 QuantifiedInterpolants, 3504 SizeOfPredicates, 5 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 9/28 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 correct! Received shutdown request...