./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label59.c --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/eca-rers2012/Problem10_label59.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6ae78b6b2ada0d1b260aa9356d03fd0fbc469ec .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:10:59,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:10:59,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:10:59,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:10:59,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:10:59,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:10:59,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:10:59,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:10:59,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:10:59,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:10:59,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:10:59,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:10:59,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:10:59,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:10:59,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:10:59,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:10:59,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:10:59,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:10:59,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:10:59,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:10:59,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:10:59,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:10:59,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:10:59,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:10:59,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:10:59,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:10:59,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:10:59,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:10:59,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:10:59,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:10:59,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:10:59,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:10:59,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:10:59,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:10:59,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:10:59,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:10:59,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:10:59,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:10:59,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:10:59,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:10:59,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:10:59,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:10:59,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:10:59,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:10:59,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:10:59,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:10:59,389 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:10:59,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:10:59,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:10:59,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:10:59,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:10:59,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:10:59,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:10:59,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:10:59,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:10:59,393 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:10:59,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:10:59,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:10:59,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:10:59,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:10:59,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:10:59,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:10:59,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:10:59,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:10:59,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:10:59,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:10:59,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:10:59,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:10:59,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:10:59,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:10:59,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:10:59,397 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 -> c6ae78b6b2ada0d1b260aa9356d03fd0fbc469ec [2020-10-19 23:10:59,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:10:59,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:10:59,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:10:59,675 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:10:59,675 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:10:59,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2020-10-19 23:10:59,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb61b4e8/542e6a35c6084ea1ba5cd4aab986c68d/FLAG30b3b083d [2020-10-19 23:11:00,442 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:11:00,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2020-10-19 23:11:00,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb61b4e8/542e6a35c6084ea1ba5cd4aab986c68d/FLAG30b3b083d [2020-10-19 23:11:00,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fb61b4e8/542e6a35c6084ea1ba5cd4aab986c68d [2020-10-19 23:11:00,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:11:00,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:11:00,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:00,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:11:00,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:11:00,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:00" (1/1) ... [2020-10-19 23:11:00,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7145bb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:00, skipping insertion in model container [2020-10-19 23:11:00,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:00" (1/1) ... [2020-10-19 23:11:00,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:11:00,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:11:01,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:01,212 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:11:01,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:11:01,350 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:11:01,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01 WrapperNode [2020-10-19 23:11:01,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:01,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:01,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:11:01,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:11:01,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (1/1) ... [2020-10-19 23:11:01,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (1/1) ... [2020-10-19 23:11:01,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:11:01,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:11:01,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:11:01,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:11:01,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (1/1) ... [2020-10-19 23:11:01,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (1/1) ... [2020-10-19 23:11:01,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (1/1) ... [2020-10-19 23:11:01,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (1/1) ... [2020-10-19 23:11:01,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (1/1) ... [2020-10-19 23:11:01,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (1/1) ... [2020-10-19 23:11:01,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (1/1) ... [2020-10-19 23:11:01,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:11:01,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:11:01,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:11:01,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:11:01,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (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 [2020-10-19 23:11:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:11:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:11:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:11:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:11:03,469 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:11:03,470 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:11:03,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:03 BoogieIcfgContainer [2020-10-19 23:11:03,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:11:03,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:11:03,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:11:03,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:11:03,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:11:00" (1/3) ... [2020-10-19 23:11:03,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d9d508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:03, skipping insertion in model container [2020-10-19 23:11:03,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:01" (2/3) ... [2020-10-19 23:11:03,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d9d508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:11:03, skipping insertion in model container [2020-10-19 23:11:03,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:03" (3/3) ... [2020-10-19 23:11:03,484 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label59.c [2020-10-19 23:11:03,496 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:11:03,505 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:11:03,521 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:11:03,556 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:11:03,556 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:11:03,557 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:11:03,557 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:11:03,557 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:11:03,558 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:11:03,558 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:11:03,558 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:11:03,578 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-19 23:11:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-19 23:11:03,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:03,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:03,590 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:03,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:03,595 INFO L82 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2020-10-19 23:11:03,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:03,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028850890] [2020-10-19 23:11:03,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:03,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028850890] [2020-10-19 23:11:03,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:03,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:03,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862368171] [2020-10-19 23:11:04,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:04,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:04,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:04,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:04,022 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-10-19 23:11:05,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:05,174 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-10-19 23:11:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:05,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-19 23:11:05,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:05,195 INFO L225 Difference]: With dead ends: 568 [2020-10-19 23:11:05,195 INFO L226 Difference]: Without dead ends: 282 [2020-10-19 23:11:05,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:05,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-19 23:11:05,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-19 23:11:05,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-19 23:11:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-10-19 23:11:05,267 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 65 [2020-10-19 23:11:05,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:05,268 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-10-19 23:11:05,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-10-19 23:11:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-19 23:11:05,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:05,273 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:05,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:11:05,274 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:05,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:05,275 INFO L82 PathProgramCache]: Analyzing trace with hash -578114294, now seen corresponding path program 1 times [2020-10-19 23:11:05,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:05,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110961455] [2020-10-19 23:11:05,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:05,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110961455] [2020-10-19 23:11:05,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:05,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:05,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397900851] [2020-10-19 23:11:05,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:05,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:05,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:05,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:05,519 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-10-19 23:11:06,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:06,201 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2020-10-19 23:11:06,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:06,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-10-19 23:11:06,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:06,209 INFO L225 Difference]: With dead ends: 840 [2020-10-19 23:11:06,209 INFO L226 Difference]: Without dead ends: 560 [2020-10-19 23:11:06,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:06,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-19 23:11:06,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-19 23:11:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-19 23:11:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-10-19 23:11:06,243 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 131 [2020-10-19 23:11:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:06,245 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-10-19 23:11:06,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-10-19 23:11:06,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-19 23:11:06,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:06,249 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:06,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:11:06,250 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:06,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:06,251 INFO L82 PathProgramCache]: Analyzing trace with hash 2120796347, now seen corresponding path program 1 times [2020-10-19 23:11:06,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:06,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402383563] [2020-10-19 23:11:06,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:06,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402383563] [2020-10-19 23:11:06,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:06,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:06,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310311881] [2020-10-19 23:11:06,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:06,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:06,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:06,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:06,483 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2020-10-19 23:11:07,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:07,183 INFO L93 Difference]: Finished difference Result 1257 states and 1672 transitions. [2020-10-19 23:11:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:07,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-10-19 23:11:07,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:07,188 INFO L225 Difference]: With dead ends: 1257 [2020-10-19 23:11:07,189 INFO L226 Difference]: Without dead ends: 699 [2020-10-19 23:11:07,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:07,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-10-19 23:11:07,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-10-19 23:11:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-10-19 23:11:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 904 transitions. [2020-10-19 23:11:07,220 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 904 transitions. Word has length 138 [2020-10-19 23:11:07,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:07,232 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 904 transitions. [2020-10-19 23:11:07,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 904 transitions. [2020-10-19 23:11:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-19 23:11:07,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:07,236 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:07,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:11:07,237 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:07,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1372500603, now seen corresponding path program 1 times [2020-10-19 23:11:07,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:07,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885816281] [2020-10-19 23:11:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:07,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885816281] [2020-10-19 23:11:07,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:07,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:07,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924693768] [2020-10-19 23:11:07,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:07,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:07,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:07,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:07,408 INFO L87 Difference]: Start difference. First operand 699 states and 904 transitions. Second operand 3 states. [2020-10-19 23:11:08,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:08,127 INFO L93 Difference]: Finished difference Result 1674 states and 2235 transitions. [2020-10-19 23:11:08,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:08,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-10-19 23:11:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:08,136 INFO L225 Difference]: With dead ends: 1674 [2020-10-19 23:11:08,137 INFO L226 Difference]: Without dead ends: 977 [2020-10-19 23:11:08,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:08,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-19 23:11:08,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-10-19 23:11:08,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-10-19 23:11:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1198 transitions. [2020-10-19 23:11:08,179 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1198 transitions. Word has length 142 [2020-10-19 23:11:08,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:08,181 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1198 transitions. [2020-10-19 23:11:08,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1198 transitions. [2020-10-19 23:11:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-19 23:11:08,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:08,192 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:08,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:11:08,192 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:08,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:08,194 INFO L82 PathProgramCache]: Analyzing trace with hash 2031817598, now seen corresponding path program 1 times [2020-10-19 23:11:08,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:08,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790148968] [2020-10-19 23:11:08,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:08,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790148968] [2020-10-19 23:11:08,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:08,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:11:08,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377193730] [2020-10-19 23:11:08,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:08,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:08,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:08,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:08,301 INFO L87 Difference]: Start difference. First operand 977 states and 1198 transitions. Second operand 3 states. [2020-10-19 23:11:09,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:09,076 INFO L93 Difference]: Finished difference Result 2230 states and 2834 transitions. [2020-10-19 23:11:09,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:09,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-10-19 23:11:09,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:09,085 INFO L225 Difference]: With dead ends: 2230 [2020-10-19 23:11:09,086 INFO L226 Difference]: Without dead ends: 1394 [2020-10-19 23:11:09,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:09,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-10-19 23:11:09,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-10-19 23:11:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-10-19 23:11:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1712 transitions. [2020-10-19 23:11:09,124 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1712 transitions. Word has length 152 [2020-10-19 23:11:09,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:09,126 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1712 transitions. [2020-10-19 23:11:09,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:09,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1712 transitions. [2020-10-19 23:11:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-19 23:11:09,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:09,130 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:09,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:11:09,130 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:09,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:09,131 INFO L82 PathProgramCache]: Analyzing trace with hash 88877347, now seen corresponding path program 1 times [2020-10-19 23:11:09,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:09,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525886521] [2020-10-19 23:11:09,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 125 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:09,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525886521] [2020-10-19 23:11:09,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795322390] [2020-10-19 23:11:09,390 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 [2020-10-19 23:11:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:09,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 23:11:09,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:11:09,763 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-10-19 23:11:09,764 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 23:11:09,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:11:09,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 23:11:09,904 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 23:11:09,909 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 23:11:09,916 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:11:09,948 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 23:11:09,980 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 23:11:09,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 23:11:09,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:11:10,269 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 127 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:10,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 23:11:10,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2020-10-19 23:11:10,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734082402] [2020-10-19 23:11:10,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 23:11:10,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:10,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 23:11:10,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-19 23:11:10,272 INFO L87 Difference]: Start difference. First operand 1394 states and 1712 transitions. Second operand 8 states. [2020-10-19 23:11:13,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:13,436 INFO L93 Difference]: Finished difference Result 4595 states and 5752 transitions. [2020-10-19 23:11:13,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-19 23:11:13,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 213 [2020-10-19 23:11:13,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:13,452 INFO L225 Difference]: With dead ends: 4595 [2020-10-19 23:11:13,453 INFO L226 Difference]: Without dead ends: 3342 [2020-10-19 23:11:13,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 214 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2020-10-19 23:11:13,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2020-10-19 23:11:13,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 2367. [2020-10-19 23:11:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-10-19 23:11:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2822 transitions. [2020-10-19 23:11:13,534 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2822 transitions. Word has length 213 [2020-10-19 23:11:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:13,535 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2822 transitions. [2020-10-19 23:11:13,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 23:11:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2822 transitions. [2020-10-19 23:11:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-19 23:11:13,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:13,539 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:13,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-19 23:11:13,753 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:13,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:13,754 INFO L82 PathProgramCache]: Analyzing trace with hash -127130540, now seen corresponding path program 1 times [2020-10-19 23:11:13,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:13,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323885711] [2020-10-19 23:11:13,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-19 23:11:14,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323885711] [2020-10-19 23:11:14,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:14,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 23:11:14,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690734730] [2020-10-19 23:11:14,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 23:11:14,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:14,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 23:11:14,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:11:14,086 INFO L87 Difference]: Start difference. First operand 2367 states and 2822 transitions. Second operand 7 states. [2020-10-19 23:11:14,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:14,909 INFO L93 Difference]: Finished difference Result 4648 states and 5553 transitions. [2020-10-19 23:11:14,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 23:11:14,910 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-10-19 23:11:14,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:14,925 INFO L225 Difference]: With dead ends: 4648 [2020-10-19 23:11:14,925 INFO L226 Difference]: Without dead ends: 2367 [2020-10-19 23:11:14,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:11:14,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-10-19 23:11:15,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2020-10-19 23:11:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-10-19 23:11:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2811 transitions. [2020-10-19 23:11:15,014 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2811 transitions. Word has length 213 [2020-10-19 23:11:15,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:15,015 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2811 transitions. [2020-10-19 23:11:15,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 23:11:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2811 transitions. [2020-10-19 23:11:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-19 23:11:15,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:15,025 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:15,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:11:15,026 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:15,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:15,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1141592454, now seen corresponding path program 1 times [2020-10-19 23:11:15,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:15,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276860368] [2020-10-19 23:11:15,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-19 23:11:15,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276860368] [2020-10-19 23:11:15,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:15,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:15,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754759501] [2020-10-19 23:11:15,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:15,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:15,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:15,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:15,387 INFO L87 Difference]: Start difference. First operand 2367 states and 2811 transitions. Second operand 3 states. [2020-10-19 23:11:16,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:16,041 INFO L93 Difference]: Finished difference Result 5010 states and 6043 transitions. [2020-10-19 23:11:16,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:16,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2020-10-19 23:11:16,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:16,054 INFO L225 Difference]: With dead ends: 5010 [2020-10-19 23:11:16,055 INFO L226 Difference]: Without dead ends: 2784 [2020-10-19 23:11:16,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:16,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2020-10-19 23:11:16,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2645. [2020-10-19 23:11:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2020-10-19 23:11:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3104 transitions. [2020-10-19 23:11:16,128 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3104 transitions. Word has length 249 [2020-10-19 23:11:16,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:16,129 INFO L481 AbstractCegarLoop]: Abstraction has 2645 states and 3104 transitions. [2020-10-19 23:11:16,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:16,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3104 transitions. [2020-10-19 23:11:16,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-19 23:11:16,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:16,135 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:16,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:11:16,136 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:16,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:16,136 INFO L82 PathProgramCache]: Analyzing trace with hash 398178739, now seen corresponding path program 1 times [2020-10-19 23:11:16,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:16,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492554670] [2020-10-19 23:11:16,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 63 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:11:16,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492554670] [2020-10-19 23:11:16,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898077217] [2020-10-19 23:11:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:16,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:11:16,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:11:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-19 23:11:16,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:11:16,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:11:16,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049261363] [2020-10-19 23:11:16,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:16,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:16,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:16,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:11:16,782 INFO L87 Difference]: Start difference. First operand 2645 states and 3104 transitions. Second operand 3 states. [2020-10-19 23:11:17,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:17,459 INFO L93 Difference]: Finished difference Result 5149 states and 6063 transitions. [2020-10-19 23:11:17,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:17,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2020-10-19 23:11:17,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:17,473 INFO L225 Difference]: With dead ends: 5149 [2020-10-19 23:11:17,474 INFO L226 Difference]: Without dead ends: 2645 [2020-10-19 23:11:17,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:11:17,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2020-10-19 23:11:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2367. [2020-10-19 23:11:17,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-10-19 23:11:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2692 transitions. [2020-10-19 23:11:17,539 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2692 transitions. Word has length 259 [2020-10-19 23:11:17,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:17,539 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2692 transitions. [2020-10-19 23:11:17,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:17,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2692 transitions. [2020-10-19 23:11:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-19 23:11:17,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:17,549 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:17,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:17,764 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:17,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:17,765 INFO L82 PathProgramCache]: Analyzing trace with hash 405072077, now seen corresponding path program 1 times [2020-10-19 23:11:17,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:17,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489329867] [2020-10-19 23:11:17,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:17,965 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-19 23:11:17,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489329867] [2020-10-19 23:11:17,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:17,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:11:17,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717520247] [2020-10-19 23:11:17,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:17,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:17,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:17,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:17,968 INFO L87 Difference]: Start difference. First operand 2367 states and 2692 transitions. Second operand 3 states. [2020-10-19 23:11:18,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:18,527 INFO L93 Difference]: Finished difference Result 4593 states and 5239 transitions. [2020-10-19 23:11:18,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:18,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2020-10-19 23:11:18,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:18,538 INFO L225 Difference]: With dead ends: 4593 [2020-10-19 23:11:18,538 INFO L226 Difference]: Without dead ends: 2367 [2020-10-19 23:11:18,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:11:18,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-10-19 23:11:18,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2228. [2020-10-19 23:11:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2020-10-19 23:11:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2444 transitions. [2020-10-19 23:11:18,581 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2444 transitions. Word has length 275 [2020-10-19 23:11:18,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:18,581 INFO L481 AbstractCegarLoop]: Abstraction has 2228 states and 2444 transitions. [2020-10-19 23:11:18,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2444 transitions. [2020-10-19 23:11:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-19 23:11:18,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:18,589 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:18,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:11:18,590 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:18,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:18,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1878741502, now seen corresponding path program 1 times [2020-10-19 23:11:18,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:18,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426876710] [2020-10-19 23:11:18,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 131 proven. 57 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-10-19 23:11:19,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426876710] [2020-10-19 23:11:19,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976973300] [2020-10-19 23:11:19,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:11:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:19,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:11:19,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:11:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-10-19 23:11:19,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:11:19,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:11:19,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382221837] [2020-10-19 23:11:19,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:11:19,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:19,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:11:19,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:19,274 INFO L87 Difference]: Start difference. First operand 2228 states and 2444 transitions. Second operand 3 states. [2020-10-19 23:11:19,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:19,936 INFO L93 Difference]: Finished difference Result 4315 states and 4743 transitions. [2020-10-19 23:11:19,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:11:19,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-10-19 23:11:19,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:19,949 INFO L225 Difference]: With dead ends: 4315 [2020-10-19 23:11:19,949 INFO L226 Difference]: Without dead ends: 2228 [2020-10-19 23:11:19,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:11:19,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-10-19 23:11:20,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2089. [2020-10-19 23:11:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-10-19 23:11:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2266 transitions. [2020-10-19 23:11:20,027 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2266 transitions. Word has length 337 [2020-10-19 23:11:20,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:20,027 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2266 transitions. [2020-10-19 23:11:20,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:11:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2266 transitions. [2020-10-19 23:11:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-10-19 23:11:20,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:20,037 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:20,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-19 23:11:20,251 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:20,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:20,251 INFO L82 PathProgramCache]: Analyzing trace with hash 607675619, now seen corresponding path program 1 times [2020-10-19 23:11:20,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:20,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646240722] [2020-10-19 23:11:20,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-19 23:11:20,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646240722] [2020-10-19 23:11:20,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:20,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:11:20,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275628435] [2020-10-19 23:11:20,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:11:20,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:20,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:11:20,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:20,591 INFO L87 Difference]: Start difference. First operand 2089 states and 2266 transitions. Second operand 4 states. [2020-10-19 23:11:21,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:21,741 INFO L93 Difference]: Finished difference Result 4454 states and 4829 transitions. [2020-10-19 23:11:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:11:21,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 363 [2020-10-19 23:11:21,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:21,751 INFO L225 Difference]: With dead ends: 4454 [2020-10-19 23:11:21,752 INFO L226 Difference]: Without dead ends: 2506 [2020-10-19 23:11:21,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:11:21,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-10-19 23:11:21,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1950. [2020-10-19 23:11:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2020-10-19 23:11:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2112 transitions. [2020-10-19 23:11:21,787 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2112 transitions. Word has length 363 [2020-10-19 23:11:21,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:21,788 INFO L481 AbstractCegarLoop]: Abstraction has 1950 states and 2112 transitions. [2020-10-19 23:11:21,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:11:21,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2112 transitions. [2020-10-19 23:11:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-10-19 23:11:21,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:11:21,796 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:11:21,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:11:21,797 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:11:21,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:11:21,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1618681995, now seen corresponding path program 1 times [2020-10-19 23:11:21,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:11:21,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085112489] [2020-10-19 23:11:21,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:11:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:11:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-19 23:11:22,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085112489] [2020-10-19 23:11:22,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:11:22,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 23:11:22,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134795055] [2020-10-19 23:11:22,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 23:11:22,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:11:22,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 23:11:22,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:11:22,317 INFO L87 Difference]: Start difference. First operand 1950 states and 2112 transitions. Second operand 7 states. [2020-10-19 23:11:22,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:11:22,959 INFO L93 Difference]: Finished difference Result 3675 states and 3986 transitions. [2020-10-19 23:11:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 23:11:22,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 379 [2020-10-19 23:11:22,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:11:22,974 INFO L225 Difference]: With dead ends: 3675 [2020-10-19 23:11:22,974 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:11:22,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:11:22,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:11:22,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:11:22,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:11:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:11:22,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2020-10-19 23:11:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:11:22,979 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:11:22,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 23:11:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:11:22,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:11:22,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 23:11:22,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:11:23,286 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-10-19 23:11:23,502 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 33 [2020-10-19 23:11:23,506 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-19 23:11:23,506 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-19 23:11:23,507 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-19 23:11:23,507 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:11:23,507 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:11:23,507 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:11:23,507 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:11:23,507 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:11:23,507 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:11:23,508 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-19 23:11:23,508 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-19 23:11:23,508 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-19 23:11:23,508 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:11:23,508 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-19 23:11:23,513 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,513 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,513 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,514 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,514 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,514 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,514 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-19 23:11:23,514 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-19 23:11:23,514 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:11:23,514 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:11:23,515 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:11:23,515 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:11:23,515 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:11:23,515 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:11:23,515 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-19 23:11:23,515 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-19 23:11:23,516 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-19 23:11:23,517 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:11:23,517 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:11:23,517 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:11:23,517 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:11:23,517 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:11:23,518 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-19 23:11:23,518 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-19 23:11:23,518 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-19 23:11:23,518 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-19 23:11:23,518 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-19 23:11:23,518 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,519 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,519 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,519 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,519 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,519 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-19 23:11:23,519 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:11:23,520 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:11:23,520 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:11:23,520 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:11:23,520 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:11:23,521 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse1 (= ~a10~0 0)) (.cse3 (<= 0 (+ ~a1~0 600000))) (.cse0 (= 14 ~a4~0)) (.cse5 (<= 1 ~a10~0)) (.cse2 (= ~a12~0 0)) (.cse4 (<= ~a19~0 9))) (or (and (<= 23 ~a1~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 (<= 10 ~a19~0) .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~a19~0 6)) (and .cse0 (= ~a10~0 2) .cse2 .cse4) (and .cse3 .cse0 .cse5 (<= ~a10~0 2) .cse2) (and .cse3 .cse0 .cse5 .cse2 .cse4))) [2020-10-19 23:11:23,521 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-19 23:11:23,521 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-19 23:11:23,521 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-19 23:11:23,521 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-19 23:11:23,522 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,522 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,522 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,522 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,522 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,522 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-19 23:11:23,523 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-19 23:11:23,523 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-19 23:11:23,523 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:11:23,523 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:11:23,523 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:11:23,523 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:11:23,524 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:11:23,524 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-19 23:11:23,524 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-19 23:11:23,524 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-19 23:11:23,524 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-19 23:11:23,524 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-19 23:11:23,525 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-19 23:11:23,525 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,525 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,525 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,525 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,525 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,525 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:11:23,526 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:11:23,526 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:11:23,526 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:11:23,526 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:11:23,526 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-19 23:11:23,526 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-19 23:11:23,527 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-19 23:11:23,527 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:11:23,527 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-19 23:11:23,527 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,527 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,527 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,528 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,528 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,528 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-19 23:11:23,528 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-19 23:11:23,528 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-19 23:11:23,529 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-19 23:11:23,529 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:11:23,529 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:11:23,529 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:11:23,529 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:11:23,529 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:11:23,530 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-19 23:11:23,530 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-19 23:11:23,530 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-19 23:11:23,530 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse1 (= ~a10~0 0)) (.cse3 (<= 0 (+ ~a1~0 600000))) (.cse0 (= 14 ~a4~0)) (.cse5 (<= 1 ~a10~0)) (.cse2 (= ~a12~0 0)) (.cse4 (<= ~a19~0 9))) (or (and (<= 23 ~a1~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 (<= 10 ~a19~0) .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~a19~0 6)) (and .cse0 (= ~a10~0 2) .cse2 .cse4) (and .cse3 .cse0 .cse5 (<= ~a10~0 2) .cse2) (and .cse3 .cse0 .cse5 .cse2 .cse4))) [2020-10-19 23:11:23,530 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-19 23:11:23,531 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,531 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,531 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,531 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,531 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:11:23,531 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,532 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,532 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-19 23:11:23,532 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-19 23:11:23,532 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-19 23:11:23,532 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:11:23,532 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:11:23,533 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:11:23,533 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:11:23,533 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:11:23,533 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:11:23,533 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-19 23:11:23,533 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-19 23:11:23,533 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:11:23,534 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-19 23:11:23,534 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-19 23:11:23,534 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,534 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,534 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,534 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,535 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,535 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,535 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-19 23:11:23,535 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-19 23:11:23,535 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-19 23:11:23,536 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:11:23,536 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:11:23,536 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:11:23,536 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:11:23,536 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:11:23,536 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:11:23,537 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-19 23:11:23,537 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-19 23:11:23,537 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-19 23:11:23,537 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:11:23,537 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-19 23:11:23,537 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-19 23:11:23,538 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-19 23:11:23,538 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,538 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,538 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,538 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,538 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,538 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,539 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-19 23:11:23,539 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:11:23,539 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:11:23,539 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:11:23,539 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:11:23,539 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:11:23,540 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:11:23,540 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-19 23:11:23,540 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-19 23:11:23,540 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-19 23:11:23,540 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-19 23:11:23,540 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-19 23:11:23,541 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-19 23:11:23,541 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,541 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,541 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,541 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,541 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,541 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:11:23,542 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,542 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:11:23,542 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-19 23:11:23,542 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-19 23:11:23,542 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-19 23:11:23,543 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:11:23,543 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:11:23,543 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:11:23,543 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:11:23,543 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:11:23,543 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:11:23,543 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-19 23:11:23,544 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-19 23:11:23,544 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-19 23:11:23,544 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,544 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,544 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,544 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,545 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,545 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:11:23,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:11:23 BoogieIcfgContainer [2020-10-19 23:11:23,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:11:23,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:11:23,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:11:23,570 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:11:23,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:11:03" (3/4) ... [2020-10-19 23:11:23,574 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:11:23,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:11:23,614 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:11:23,615 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:11:23,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:11:23,785 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:11:23,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:11:23,787 INFO L168 Benchmark]: Toolchain (without parser) took 23137.23 ms. Allocated memory was 41.9 MB in the beginning and 233.3 MB in the end (delta: 191.4 MB). Free memory was 18.5 MB in the beginning and 96.9 MB in the end (delta: -78.5 MB). Peak memory consumption was 112.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:23,788 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.8 MB in the end (delta: 62.9 kB). Peak memory consumption was 62.9 kB. Max. memory is 14.3 GB. [2020-10-19 23:11:23,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.91 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 17.5 MB in the beginning and 14.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:23,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.49 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 13.9 MB in the beginning and 21.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:23,790 INFO L168 Benchmark]: Boogie Preprocessor took 93.92 ms. Allocated memory is still 44.6 MB. Free memory was 21.7 MB in the beginning and 16.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:23,791 INFO L168 Benchmark]: RCFGBuilder took 1896.92 ms. Allocated memory was 44.6 MB in the beginning and 67.1 MB in the end (delta: 22.5 MB). Free memory was 16.1 MB in the beginning and 43.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:23,792 INFO L168 Benchmark]: TraceAbstraction took 20094.60 ms. Allocated memory was 67.1 MB in the beginning and 233.3 MB in the end (delta: 166.2 MB). Free memory was 43.4 MB in the beginning and 116.0 MB in the end (delta: -72.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:23,792 INFO L168 Benchmark]: Witness Printer took 216.28 ms. Allocated memory is still 233.3 MB. Free memory was 116.0 MB in the beginning and 96.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:11:23,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.8 MB in the end (delta: 62.9 kB). Peak memory consumption was 62.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 694.91 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 17.5 MB in the beginning and 14.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 128.49 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 13.9 MB in the beginning and 21.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 93.92 ms. Allocated memory is still 44.6 MB. Free memory was 21.7 MB in the beginning and 16.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1896.92 ms. Allocated memory was 44.6 MB in the beginning and 67.1 MB in the end (delta: 22.5 MB). Free memory was 16.1 MB in the beginning and 43.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 20094.60 ms. Allocated memory was 67.1 MB in the beginning and 233.3 MB in the end (delta: 166.2 MB). Free memory was 43.4 MB in the beginning and 116.0 MB in the end (delta: -72.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 14.3 GB. * Witness Printer took 216.28 ms. Allocated memory is still 233.3 MB. Free memory was 116.0 MB in the beginning and 96.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((23 <= a1 && 14 == a4) && a10 == 0) && a12 == 0) || ((((0 <= a1 + 600000 && 14 == a4) && a10 == 0) && 10 <= a19) && a12 == 0)) || ((((0 <= a1 + 600000 && 14 == a4) && a10 == 0) && a12 == 0) && a19 == 6)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((((0 <= a1 + 600000 && 14 == a4) && 1 <= a10) && a10 <= 2) && a12 == 0)) || ((((0 <= a1 + 600000 && 14 == a4) && 1 <= a10) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((((23 <= a1 && 14 == a4) && a10 == 0) && a12 == 0) || ((((0 <= a1 + 600000 && 14 == a4) && a10 == 0) && 10 <= a19) && a12 == 0)) || ((((0 <= a1 + 600000 && 14 == a4) && a10 == 0) && a12 == 0) && a19 == 6)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((((0 <= a1 + 600000 && 14 == a4) && 1 <= a10) && a10 <= 2) && a12 == 0)) || ((((0 <= a1 + 600000 && 14 == a4) && 1 <= a10) && a12 == 0) && a19 <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.4s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1202 SDtfs, 2155 SDslu, 95 SDs, 0 SdLazy, 6888 SolverSat, 1041 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 862 GetRequests, 824 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2645occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 2226 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 199 HoareAnnotationTreeSize, 3 FomulaSimplifications, 784 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 674 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3725 NumberOfCodeBlocks, 3725 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3709 ConstructedInterpolants, 1 QuantifiedInterpolants, 4230737 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1185 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 3072/3401 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...