./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/loop-invgen/apache-get-tag.i -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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d5e1e94b71e060a77443e2afd511bc50cc1649d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:00:08,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:00:08,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:00:08,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:00:08,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:00:08,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:00:08,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:00:08,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:00:08,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:00:08,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:00:08,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:00:08,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:00:08,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:00:08,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:00:08,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:00:08,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:00:08,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:00:08,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:00:08,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:00:08,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:00:08,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:00:08,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:00:08,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:00:08,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:00:08,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:00:08,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:00:08,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:00:08,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:00:08,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:00:08,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:00:08,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:00:08,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:00:08,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:00:08,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:00:08,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:00:08,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:00:08,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:00:08,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:00:08,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:00:08,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:00:08,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:00:08,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:00:08,392 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:00:08,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:00:08,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:00:08,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:00:08,394 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:00:08,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:00:08,394 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:00:08,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:00:08,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:00:08,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:00:08,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:00:08,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:00:08,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:00:08,396 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:00:08,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:00:08,397 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:00:08,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:00:08,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:00:08,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:00:08,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:00:08,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:00:08,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:00:08,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:00:08,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:00:08,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:00:08,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:00:08,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:00:08,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:00:08,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:00:08,400 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(reach_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 -> 2d5e1e94b71e060a77443e2afd511bc50cc1649d [2020-10-20 01:00:08,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:00:08,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:00:08,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:00:08,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:00:08,639 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:00:08,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-10-20 01:00:08,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48654abe5/de35319dc103498d8a2e5e41fb72d436/FLAG573cc36bc [2020-10-20 01:00:09,221 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:00:09,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2020-10-20 01:00:09,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48654abe5/de35319dc103498d8a2e5e41fb72d436/FLAG573cc36bc [2020-10-20 01:00:09,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48654abe5/de35319dc103498d8a2e5e41fb72d436 [2020-10-20 01:00:09,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:00:09,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:00:09,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:00:09,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:00:09,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:00:09,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:09,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796871df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09, skipping insertion in model container [2020-10-20 01:00:09,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:09,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:00:09,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:00:09,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:00:09,897 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:00:09,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:00:09,970 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:00:09,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09 WrapperNode [2020-10-20 01:00:09,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:00:09,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:00:09,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:00:09,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:00:09,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:09,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:10,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:00:10,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:00:10,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:00:10,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:00:10,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:10,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:10,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:10,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:10,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:10,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:10,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... [2020-10-20 01:00:10,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:00:10,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:00:10,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:00:10,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:00:10,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:00:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:00:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:00:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:00:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:00:10,625 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:00:10,626 INFO L298 CfgBuilder]: Removed 70 assume(true) statements. [2020-10-20 01:00:10,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:00:10 BoogieIcfgContainer [2020-10-20 01:00:10,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:00:10,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:00:10,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:00:10,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:00:10,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:00:09" (1/3) ... [2020-10-20 01:00:10,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af03225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:00:10, skipping insertion in model container [2020-10-20 01:00:10,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:00:09" (2/3) ... [2020-10-20 01:00:10,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af03225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:00:10, skipping insertion in model container [2020-10-20 01:00:10,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:00:10" (3/3) ... [2020-10-20 01:00:10,649 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i [2020-10-20 01:00:10,662 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:00:10,674 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-10-20 01:00:10,688 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-10-20 01:00:10,723 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:00:10,724 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:00:10,724 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:00:10,724 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:00:10,727 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:00:10,727 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:00:10,728 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:00:10,728 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:00:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-10-20 01:00:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 01:00:10,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:00:10,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:00:10,760 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:00:10,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:00:10,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1034905819, now seen corresponding path program 1 times [2020-10-20 01:00:10,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:00:10,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994925091] [2020-10-20 01:00:10,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:00:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:00:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:00:10,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994925091] [2020-10-20 01:00:10,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:00:10,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:00:10,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175353403] [2020-10-20 01:00:10,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:00:10,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:00:10,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:00:10,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:00:10,954 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2020-10-20 01:00:10,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:00:10,994 INFO L93 Difference]: Finished difference Result 236 states and 321 transitions. [2020-10-20 01:00:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:00:10,996 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 01:00:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:00:11,010 INFO L225 Difference]: With dead ends: 236 [2020-10-20 01:00:11,011 INFO L226 Difference]: Without dead ends: 108 [2020-10-20 01:00:11,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:00:11,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-20 01:00:11,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-10-20 01:00:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-20 01:00:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 111 transitions. [2020-10-20 01:00:11,073 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 111 transitions. Word has length 10 [2020-10-20 01:00:11,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:00:11,074 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 111 transitions. [2020-10-20 01:00:11,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:00:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2020-10-20 01:00:11,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 01:00:11,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:00:11,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:00:11,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:00:11,077 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:00:11,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:00:11,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1059717747, now seen corresponding path program 1 times [2020-10-20 01:00:11,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:00:11,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736619872] [2020-10-20 01:00:11,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:00:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:00:11,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:00:11,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736619872] [2020-10-20 01:00:11,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:00:11,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:00:11,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662487636] [2020-10-20 01:00:11,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:00:11,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:00:11,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:00:11,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:00:11,204 INFO L87 Difference]: Start difference. First operand 108 states and 111 transitions. Second operand 4 states. [2020-10-20 01:00:11,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:00:11,430 INFO L93 Difference]: Finished difference Result 112 states and 117 transitions. [2020-10-20 01:00:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:00:11,431 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-20 01:00:11,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:00:11,432 INFO L225 Difference]: With dead ends: 112 [2020-10-20 01:00:11,433 INFO L226 Difference]: Without dead ends: 80 [2020-10-20 01:00:11,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:00:11,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-20 01:00:11,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2020-10-20 01:00:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-20 01:00:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-10-20 01:00:11,446 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 10 [2020-10-20 01:00:11,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:00:11,447 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-10-20 01:00:11,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:00:11,447 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-10-20 01:00:11,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 01:00:11,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:00:11,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:00:11,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:00:11,449 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:00:11,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:00:11,450 INFO L82 PathProgramCache]: Analyzing trace with hash -96025872, now seen corresponding path program 1 times [2020-10-20 01:00:11,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:00:11,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491626532] [2020-10-20 01:00:11,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:00:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:00:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:00:11,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491626532] [2020-10-20 01:00:11,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:00:11,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:00:11,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939718421] [2020-10-20 01:00:11,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:00:11,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:00:11,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:00:11,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:00:11,573 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 5 states. [2020-10-20 01:00:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:00:11,754 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2020-10-20 01:00:11,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:00:11,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-20 01:00:11,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:00:11,756 INFO L225 Difference]: With dead ends: 99 [2020-10-20 01:00:11,756 INFO L226 Difference]: Without dead ends: 75 [2020-10-20 01:00:11,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:00:11,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-20 01:00:11,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 55. [2020-10-20 01:00:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:00:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2020-10-20 01:00:11,766 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 12 [2020-10-20 01:00:11,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:00:11,766 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2020-10-20 01:00:11,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:00:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-10-20 01:00:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 01:00:11,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:00:11,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:00:11,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:00:11,769 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:00:11,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:00:11,769 INFO L82 PathProgramCache]: Analyzing trace with hash 861540566, now seen corresponding path program 1 times [2020-10-20 01:00:11,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:00:11,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206461869] [2020-10-20 01:00:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:00:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:00:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:00:11,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206461869] [2020-10-20 01:00:11,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:00:11,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:00:11,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66466721] [2020-10-20 01:00:11,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:00:11,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:00:11,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:00:11,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:00:11,878 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 5 states. [2020-10-20 01:00:12,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:00:12,081 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2020-10-20 01:00:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:00:12,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-20 01:00:12,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:00:12,083 INFO L225 Difference]: With dead ends: 75 [2020-10-20 01:00:12,083 INFO L226 Difference]: Without dead ends: 67 [2020-10-20 01:00:12,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:00:12,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-20 01:00:12,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2020-10-20 01:00:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 01:00:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-10-20 01:00:12,093 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 13 [2020-10-20 01:00:12,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:00:12,093 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-10-20 01:00:12,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:00:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-10-20 01:00:12,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:00:12,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:00:12,095 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:00:12,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:00:12,095 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:00:12,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:00:12,096 INFO L82 PathProgramCache]: Analyzing trace with hash -848506521, now seen corresponding path program 1 times [2020-10-20 01:00:12,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:00:12,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973348815] [2020-10-20 01:00:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:00:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:00:12,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:00:12,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973348815] [2020-10-20 01:00:12,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432064124] [2020-10-20 01:00:12,242 INFO L95 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 [2020-10-20 01:00:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:00:12,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 01:00:12,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:00:12,503 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 01:00:12,516 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 01:00:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:00:12,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:00:12,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2020-10-20 01:00:12,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364671928] [2020-10-20 01:00:12,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-20 01:00:12,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:00:12,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-20 01:00:12,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:00:12,536 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 11 states. [2020-10-20 01:00:12,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:00:12,886 INFO L93 Difference]: Finished difference Result 129 states and 140 transitions. [2020-10-20 01:00:12,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:00:12,886 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2020-10-20 01:00:12,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:00:12,888 INFO L225 Difference]: With dead ends: 129 [2020-10-20 01:00:12,889 INFO L226 Difference]: Without dead ends: 105 [2020-10-20 01:00:12,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-20 01:00:12,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-20 01:00:12,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 89. [2020-10-20 01:00:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-20 01:00:12,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2020-10-20 01:00:12,911 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 20 [2020-10-20 01:00:12,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:00:12,912 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2020-10-20 01:00:12,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-20 01:00:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2020-10-20 01:00:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:00:12,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:00:12,917 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:00:13,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:00:13,134 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:00:13,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:00:13,134 INFO L82 PathProgramCache]: Analyzing trace with hash -749962314, now seen corresponding path program 2 times [2020-10-20 01:00:13,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:00:13,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486773135] [2020-10-20 01:00:13,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:00:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:00:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-20 01:00:13,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486773135] [2020-10-20 01:00:13,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497975800] [2020-10-20 01:00:13,220 INFO L93 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 [2020-10-20 01:00:13,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-20 01:00:13,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 01:00:13,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 01:00:13,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:00:13,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 01:00:13,451 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 01:00:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:00:13,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:00:13,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2020-10-20 01:00:13,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686887954] [2020-10-20 01:00:13,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-20 01:00:13,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:00:13,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-20 01:00:13,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-20 01:00:13,470 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand 14 states. [2020-10-20 01:00:13,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:00:13,997 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2020-10-20 01:00:13,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-20 01:00:13,997 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2020-10-20 01:00:13,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:00:13,998 INFO L225 Difference]: With dead ends: 124 [2020-10-20 01:00:13,998 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:00:14,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=455, Unknown=0, NotChecked=0, Total=650 [2020-10-20 01:00:14,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:00:14,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:00:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:00:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:00:14,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-10-20 01:00:14,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:00:14,002 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:00:14,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-20 01:00:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:00:14,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:00:14,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:00:14,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:00:14,773 INFO L270 CegarLoopResult]: At program point L18-17(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,773 INFO L274 CegarLoopResult]: For program point L18-18(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,773 INFO L270 CegarLoopResult]: At program point L18-20(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,773 INFO L274 CegarLoopResult]: For program point L18-21(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,773 INFO L274 CegarLoopResult]: For program point L18-24(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,774 INFO L270 CegarLoopResult]: At program point L18-26(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,774 INFO L274 CegarLoopResult]: For program point L18-27(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,774 INFO L270 CegarLoopResult]: At program point L18-29(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,774 INFO L274 CegarLoopResult]: For program point L18-30(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,774 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,774 INFO L274 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,774 INFO L270 CegarLoopResult]: At program point L18-32(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,774 INFO L274 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,775 INFO L274 CegarLoopResult]: For program point L18-33(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,775 INFO L274 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,775 INFO L274 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,775 INFO L274 CegarLoopResult]: For program point L19-5(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,775 INFO L274 CegarLoopResult]: For program point L18-36(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,775 INFO L274 CegarLoopResult]: For program point L19-6(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,775 INFO L274 CegarLoopResult]: For program point L19-7(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,775 INFO L270 CegarLoopResult]: At program point L18-38(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,776 INFO L274 CegarLoopResult]: For program point L19-8(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,776 INFO L274 CegarLoopResult]: For program point L18-39(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,776 INFO L274 CegarLoopResult]: For program point L19-9(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,776 INFO L274 CegarLoopResult]: For program point L19-10(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,776 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,776 INFO L270 CegarLoopResult]: At program point L18-41(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,776 INFO L274 CegarLoopResult]: For program point L19-11(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,777 INFO L274 CegarLoopResult]: For program point L18-42(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,777 INFO L274 CegarLoopResult]: For program point L19-12(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,777 INFO L274 CegarLoopResult]: For program point L19-13(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,777 INFO L270 CegarLoopResult]: At program point L18-44(lines 17 22) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse1 (<= 0 ULTIMATE.start_main_~t~0))) (or (and .cse0 (<= 1 ULTIMATE.start_main_~tagbuf_len~0) .cse1 (<= ULTIMATE.start_main_~t~0 1)) (and .cse0 .cse1 (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)))) [2020-10-20 01:00:14,777 INFO L274 CegarLoopResult]: For program point L19-14(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,777 INFO L274 CegarLoopResult]: For program point L18-45(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,777 INFO L274 CegarLoopResult]: For program point L19-15(line 19) no Hoare annotation was computed. [2020-10-20 01:00:14,777 INFO L277 CegarLoopResult]: At program point L18-47(lines 17 22) the Hoare annotation is: true [2020-10-20 01:00:14,778 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:00:14,778 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,778 INFO L274 CegarLoopResult]: For program point L54(lines 54 68) no Hoare annotation was computed. [2020-10-20 01:00:14,778 INFO L274 CegarLoopResult]: For program point L54-1(lines 54 68) no Hoare annotation was computed. [2020-10-20 01:00:14,778 INFO L274 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2020-10-20 01:00:14,778 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,778 INFO L274 CegarLoopResult]: For program point L55(lines 55 64) no Hoare annotation was computed. [2020-10-20 01:00:14,778 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:00:14,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,779 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-20 01:00:14,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,779 INFO L277 CegarLoopResult]: At program point L76(lines 24 77) the Hoare annotation is: true [2020-10-20 01:00:14,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,779 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,780 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:00:14,780 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,780 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,780 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,780 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,780 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,780 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,780 INFO L274 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,780 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,781 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,781 INFO L274 CegarLoopResult]: For program point L12-11(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,781 INFO L274 CegarLoopResult]: For program point L12-12(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,781 INFO L274 CegarLoopResult]: For program point L12-14(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,781 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-20 01:00:14,781 INFO L274 CegarLoopResult]: For program point L12-15(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,781 INFO L274 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-10-20 01:00:14,781 INFO L274 CegarLoopResult]: For program point L12-16(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,781 INFO L274 CegarLoopResult]: For program point L12-18(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,782 INFO L274 CegarLoopResult]: For program point L12-19(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,782 INFO L274 CegarLoopResult]: For program point L12-20(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,782 INFO L274 CegarLoopResult]: For program point L12-22(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,782 INFO L274 CegarLoopResult]: For program point L12-23(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,782 INFO L274 CegarLoopResult]: For program point L12-24(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,782 INFO L274 CegarLoopResult]: For program point L12-26(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,782 INFO L274 CegarLoopResult]: For program point L12-27(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,782 INFO L274 CegarLoopResult]: For program point L12-28(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,783 INFO L274 CegarLoopResult]: For program point L12-30(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,783 INFO L274 CegarLoopResult]: For program point L12-31(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,783 INFO L274 CegarLoopResult]: For program point L12-32(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,783 INFO L274 CegarLoopResult]: For program point L12-34(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,783 INFO L274 CegarLoopResult]: For program point L12-35(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,783 INFO L274 CegarLoopResult]: For program point L12-36(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,783 INFO L274 CegarLoopResult]: For program point L12-38(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,784 INFO L274 CegarLoopResult]: For program point L12-39(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,784 INFO L274 CegarLoopResult]: For program point L12-40(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,784 INFO L274 CegarLoopResult]: For program point L12-42(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,784 INFO L274 CegarLoopResult]: For program point L12-43(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,784 INFO L274 CegarLoopResult]: For program point L12-44(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,784 INFO L274 CegarLoopResult]: For program point L12-46(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,784 INFO L274 CegarLoopResult]: For program point L12-47(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,784 INFO L274 CegarLoopResult]: For program point L12-48(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,784 INFO L274 CegarLoopResult]: For program point L12-50(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,785 INFO L274 CegarLoopResult]: For program point L12-51(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,785 INFO L274 CegarLoopResult]: For program point L12-52(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,785 INFO L274 CegarLoopResult]: For program point L12-54(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,785 INFO L274 CegarLoopResult]: For program point L12-55(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,785 INFO L274 CegarLoopResult]: For program point L12-56(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,785 INFO L274 CegarLoopResult]: For program point L12-58(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,785 INFO L274 CegarLoopResult]: For program point L12-59(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,785 INFO L274 CegarLoopResult]: For program point L12-60(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,786 INFO L274 CegarLoopResult]: For program point L12-62(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,786 INFO L274 CegarLoopResult]: For program point L12-63(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,786 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,786 INFO L270 CegarLoopResult]: At program point L48-2(lines 48 72) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~tagbuf_len~0) (<= 0 ULTIMATE.start_main_~t~0) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,786 INFO L274 CegarLoopResult]: For program point L48-3(lines 48 72) no Hoare annotation was computed. [2020-10-20 01:00:14,786 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:00:14,786 INFO L270 CegarLoopResult]: At program point L32-2(lines 32 44) the Hoare annotation is: (let ((.cse0 (or (= ULTIMATE.start_main_~t~0 0) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0))))) (or (and .cse0 (<= 0 ULTIMATE.start_main_~tagbuf_len~0) (<= ULTIMATE.start_main_~t~0 0)) (and .cse0 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)))) [2020-10-20 01:00:14,786 INFO L274 CegarLoopResult]: For program point L32-3(lines 32 44) no Hoare annotation was computed. [2020-10-20 01:00:14,787 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,787 INFO L274 CegarLoopResult]: For program point L49(lines 49 53) no Hoare annotation was computed. [2020-10-20 01:00:14,787 INFO L274 CegarLoopResult]: For program point L66(lines 66 68) no Hoare annotation was computed. [2020-10-20 01:00:14,787 INFO L274 CegarLoopResult]: For program point L33(lines 33 37) no Hoare annotation was computed. [2020-10-20 01:00:14,787 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 01:00:14,787 INFO L274 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,787 INFO L270 CegarLoopResult]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (<= ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,788 INFO L274 CegarLoopResult]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,788 INFO L274 CegarLoopResult]: For program point L18-6(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,788 INFO L270 CegarLoopResult]: At program point L18-8(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,788 INFO L274 CegarLoopResult]: For program point L18-9(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,788 INFO L270 CegarLoopResult]: At program point L18-11(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,788 INFO L274 CegarLoopResult]: For program point L18-12(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,788 INFO L270 CegarLoopResult]: At program point L18-14(lines 17 22) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 0 ULTIMATE.start_main_~t~0) (< ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~tagbuf_len~0)) [2020-10-20 01:00:14,788 INFO L274 CegarLoopResult]: For program point L18-15(lines 18 20) no Hoare annotation was computed. [2020-10-20 01:00:14,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:00:14 BoogieIcfgContainer [2020-10-20 01:00:14,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:00:14,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:00:14,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:00:14,817 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:00:14,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:00:10" (3/4) ... [2020-10-20 01:00:14,821 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:00:14,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-10-20 01:00:14,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 01:00:14,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:00:14,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:00:14,942 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:00:14,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:00:14,944 INFO L168 Benchmark]: Toolchain (without parser) took 5412.98 ms. Allocated memory was 35.1 MB in the beginning and 65.0 MB in the end (delta: 29.9 MB). Free memory was 14.2 MB in the beginning and 40.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 35.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:00:14,945 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 32.5 MB. Free memory was 6.6 MB in the beginning and 6.6 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 01:00:14,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.13 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 13.3 MB in the beginning and 23.5 MB in the end (delta: -10.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:00:14,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.62 ms. Allocated memory is still 44.6 MB. Free memory was 23.5 MB in the beginning and 21.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:00:14,946 INFO L168 Benchmark]: Boogie Preprocessor took 56.87 ms. Allocated memory is still 44.6 MB. Free memory was 21.1 MB in the beginning and 19.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:00:14,947 INFO L168 Benchmark]: RCFGBuilder took 549.15 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 19.2 MB in the beginning and 21.4 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:00:14,947 INFO L168 Benchmark]: TraceAbstraction took 4183.00 ms. Allocated memory was 46.7 MB in the beginning and 64.5 MB in the end (delta: 17.8 MB). Free memory was 20.8 MB in the beginning and 9.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:00:14,948 INFO L168 Benchmark]: Witness Printer took 124.99 ms. Allocated memory was 64.5 MB in the beginning and 65.0 MB in the end (delta: 524.3 kB). Free memory was 9.5 MB in the beginning and 40.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:00:14,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 32.5 MB. Free memory was 6.6 MB in the beginning and 6.6 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 436.13 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 13.3 MB in the beginning and 23.5 MB in the end (delta: -10.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 51.62 ms. Allocated memory is still 44.6 MB. Free memory was 23.5 MB in the beginning and 21.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 56.87 ms. Allocated memory is still 44.6 MB. Free memory was 21.1 MB in the beginning and 19.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 549.15 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 19.2 MB in the beginning and 21.4 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 4183.00 ms. Allocated memory was 46.7 MB in the beginning and 64.5 MB in the end (delta: 17.8 MB). Free memory was 20.8 MB in the beginning and 9.5 MB in the end (delta: 11.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.3 GB. * Witness Printer took 124.99 ms. Allocated memory was 64.5 MB in the beginning and 65.0 MB in the end (delta: 524.3 kB). Free memory was 9.5 MB in the beginning and 40.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t <= tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((!(0 == cond) && 1 <= tagbuf_len) && 0 <= t) && t <= 1) || ((!(0 == cond) && 0 <= t) && t < tagbuf_len) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= cond && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t <= tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t <= tagbuf_len - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((t == 0 || (!(0 == cond) && 0 <= t)) && 0 <= tagbuf_len) && t <= 0) || (((t == 0 || (!(0 == cond) && 0 <= t)) && 1 <= cond) && t <= tagbuf_len) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= cond && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= cond && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= cond && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t < tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((1 <= cond && 1 <= tagbuf_len) && 0 <= t) && t <= tagbuf_len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (!(0 == cond) && 0 <= t) && t < tagbuf_len - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 612 SDslu, 453 SDs, 0 SdLazy, 498 SolverSat, 368 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 60 NumberOfFragments, 197 HoareAnnotationTreeSize, 16 FomulaSimplifications, 1486 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 660 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 13365 SizeOfPredicates, 8 NumberOfNonLiveVariables, 162 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 15/50 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...