./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_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/Problem14_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 63f29ca76b49dcf0a8c543fb6238269e1998c485 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:30:10,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:30:10,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:30:10,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:30:10,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:30:10,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:30:10,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:30:10,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:30:10,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:30:10,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:30:10,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:30:10,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:30:10,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:30:10,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:30:10,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:30:10,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:30:10,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:30:10,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:30:10,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:30:10,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:30:10,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:30:10,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:30:10,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:30:10,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:30:10,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:30:10,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:30:10,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:30:10,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:30:10,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:30:10,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:30:10,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:30:10,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:30:10,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:30:10,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:30:10,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:30:10,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:30:10,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:30:10,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:30:10,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:30:10,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:30:10,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:30:10,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:30:10,296 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:30:10,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:30:10,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:30:10,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:30:10,298 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:30:10,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:30:10,298 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:30:10,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:30:10,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:30:10,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:30:10,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:30:10,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:30:10,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:30:10,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:30:10,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:30:10,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:30:10,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:30:10,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:30:10,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:30:10,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:30:10,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:30:10,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:30:10,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:30:10,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:30:10,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:30:10,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:30:10,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:30:10,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:30:10,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:30:10,304 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 -> 63f29ca76b49dcf0a8c543fb6238269e1998c485 [2020-10-19 23:30:10,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:30:10,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:30:10,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:30:10,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:30:10,548 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:30:10,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label59.c [2020-10-19 23:30:10,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392c54cab/43928762fe7b4699aa63d4d8767221cb/FLAG2d726e9a5 [2020-10-19 23:30:11,259 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:30:11,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label59.c [2020-10-19 23:30:11,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392c54cab/43928762fe7b4699aa63d4d8767221cb/FLAG2d726e9a5 [2020-10-19 23:30:11,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392c54cab/43928762fe7b4699aa63d4d8767221cb [2020-10-19 23:30:11,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:30:11,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:30:11,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:30:11,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:30:11,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:30:11,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:30:11" (1/1) ... [2020-10-19 23:30:11,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3facf14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:11, skipping insertion in model container [2020-10-19 23:30:11,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:30:11" (1/1) ... [2020-10-19 23:30:11,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:30:11,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:30:12,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:30:12,236 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:30:12,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:30:12,505 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:30:12,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12 WrapperNode [2020-10-19 23:30:12,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:30:12,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:30:12,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:30:12,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:30:12,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... [2020-10-19 23:30:12,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... [2020-10-19 23:30:12,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:30:12,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:30:12,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:30:12,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:30:12,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... [2020-10-19 23:30:12,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... [2020-10-19 23:30:12,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... [2020-10-19 23:30:12,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... [2020-10-19 23:30:12,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... [2020-10-19 23:30:12,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... [2020-10-19 23:30:12,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... [2020-10-19 23:30:12,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:30:12,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:30:12,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:30:12,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:30:12,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:30:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:30:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:30:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:30:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:30:14,561 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:30:14,562 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:30:14,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:30:14 BoogieIcfgContainer [2020-10-19 23:30:14,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:30:14,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:30:14,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:30:14,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:30:14,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:30:11" (1/3) ... [2020-10-19 23:30:14,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348fb9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:30:14, skipping insertion in model container [2020-10-19 23:30:14,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:30:12" (2/3) ... [2020-10-19 23:30:14,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348fb9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:30:14, skipping insertion in model container [2020-10-19 23:30:14,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:30:14" (3/3) ... [2020-10-19 23:30:14,579 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label59.c [2020-10-19 23:30:14,594 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:30:14,603 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:30:14,620 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:30:14,660 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:30:14,661 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:30:14,661 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:30:14,662 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:30:14,663 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:30:14,663 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:30:14,663 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:30:14,663 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:30:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:30:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-19 23:30:14,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:14,711 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] [2020-10-19 23:30:14,712 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:14,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:14,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2020-10-19 23:30:14,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:14,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961195841] [2020-10-19 23:30:14,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:15,030 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 23:30:15,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961195841] [2020-10-19 23:30:15,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:15,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:30:15,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300030741] [2020-10-19 23:30:15,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:15,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:15,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:15,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:30:15,058 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-19 23:30:16,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:16,382 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-19 23:30:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:16,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-10-19 23:30:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:16,403 INFO L225 Difference]: With dead ends: 670 [2020-10-19 23:30:16,404 INFO L226 Difference]: Without dead ends: 360 [2020-10-19 23:30:16,409 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 23:30:16,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-19 23:30:16,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-19 23:30:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-19 23:30:16,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-10-19 23:30:16,486 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 40 [2020-10-19 23:30:16,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:16,487 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-10-19 23:30:16,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-10-19 23:30:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-19 23:30:16,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:16,492 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, 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 23:30:16,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:30:16,492 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:16,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:16,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1050796950, now seen corresponding path program 1 times [2020-10-19 23:30:16,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:16,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573505952] [2020-10-19 23:30:16,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:30:16,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573505952] [2020-10-19 23:30:16,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:16,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:30:16,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090801308] [2020-10-19 23:30:16,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:16,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:16,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:16,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:30:16,728 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-10-19 23:30:17,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:17,651 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2020-10-19 23:30:17,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:17,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-10-19 23:30:17,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:17,661 INFO L225 Difference]: With dead ends: 1076 [2020-10-19 23:30:17,661 INFO L226 Difference]: Without dead ends: 718 [2020-10-19 23:30:17,663 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 23:30:17,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-10-19 23:30:17,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-10-19 23:30:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:30:17,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2020-10-19 23:30:17,706 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 105 [2020-10-19 23:30:17,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:17,706 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2020-10-19 23:30:17,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2020-10-19 23:30:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-19 23:30:17,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:17,709 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, 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 23:30:17,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:30:17,710 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:17,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1337653759, now seen corresponding path program 1 times [2020-10-19 23:30:17,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:17,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800220643] [2020-10-19 23:30:17,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:30:17,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800220643] [2020-10-19 23:30:17,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:17,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:30:17,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218381876] [2020-10-19 23:30:17,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:17,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:17,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:17,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:30:17,875 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand 3 states. [2020-10-19 23:30:18,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:18,839 INFO L93 Difference]: Finished difference Result 1786 states and 2617 transitions. [2020-10-19 23:30:18,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:18,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-10-19 23:30:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:18,850 INFO L225 Difference]: With dead ends: 1786 [2020-10-19 23:30:18,850 INFO L226 Difference]: Without dead ends: 1072 [2020-10-19 23:30:18,852 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 23:30:18,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-19 23:30:18,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-10-19 23:30:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-19 23:30:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1482 transitions. [2020-10-19 23:30:18,906 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1482 transitions. Word has length 106 [2020-10-19 23:30:18,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:18,906 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1482 transitions. [2020-10-19 23:30:18,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1482 transitions. [2020-10-19 23:30:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-19 23:30:18,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:18,910 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, 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 23:30:18,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:30:18,910 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:18,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:18,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1989418720, now seen corresponding path program 1 times [2020-10-19 23:30:18,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:18,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467236789] [2020-10-19 23:30:18,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:30:19,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467236789] [2020-10-19 23:30:19,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:19,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:30:19,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744230360] [2020-10-19 23:30:19,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:30:19,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:19,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:30:19,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:30:19,038 INFO L87 Difference]: Start difference. First operand 1072 states and 1482 transitions. Second operand 4 states. [2020-10-19 23:30:20,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:20,439 INFO L93 Difference]: Finished difference Result 2498 states and 3366 transitions. [2020-10-19 23:30:20,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:30:20,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2020-10-19 23:30:20,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:20,449 INFO L225 Difference]: With dead ends: 2498 [2020-10-19 23:30:20,450 INFO L226 Difference]: Without dead ends: 1428 [2020-10-19 23:30:20,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:30:20,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-10-19 23:30:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1250. [2020-10-19 23:30:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-19 23:30:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1672 transitions. [2020-10-19 23:30:20,480 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1672 transitions. Word has length 109 [2020-10-19 23:30:20,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:20,481 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1672 transitions. [2020-10-19 23:30:20,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:30:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1672 transitions. [2020-10-19 23:30:20,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-19 23:30:20,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:20,484 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, 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 23:30:20,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:30:20,484 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:20,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:20,485 INFO L82 PathProgramCache]: Analyzing trace with hash 545660926, now seen corresponding path program 1 times [2020-10-19 23:30:20,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:20,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303955938] [2020-10-19 23:30:20,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:30:20,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303955938] [2020-10-19 23:30:20,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:20,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:30:20,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911695408] [2020-10-19 23:30:20,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:30:20,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:20,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:30:20,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:30:20,634 INFO L87 Difference]: Start difference. First operand 1250 states and 1672 transitions. Second operand 4 states. [2020-10-19 23:30:21,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:21,613 INFO L93 Difference]: Finished difference Result 2885 states and 3777 transitions. [2020-10-19 23:30:21,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:30:21,618 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-10-19 23:30:21,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:21,626 INFO L225 Difference]: With dead ends: 2885 [2020-10-19 23:30:21,626 INFO L226 Difference]: Without dead ends: 1608 [2020-10-19 23:30:21,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 23:30:21,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-10-19 23:30:21,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-10-19 23:30:21,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:30:21,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1889 transitions. [2020-10-19 23:30:21,666 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1889 transitions. Word has length 120 [2020-10-19 23:30:21,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:21,666 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1889 transitions. [2020-10-19 23:30:21,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:30:21,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1889 transitions. [2020-10-19 23:30:21,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-19 23:30:21,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:21,670 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:21,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:30:21,671 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:21,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:21,671 INFO L82 PathProgramCache]: Analyzing trace with hash -840710516, now seen corresponding path program 1 times [2020-10-19 23:30:21,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:21,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526165812] [2020-10-19 23:30:21,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:30:21,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526165812] [2020-10-19 23:30:21,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:21,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:30:21,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537510387] [2020-10-19 23:30:21,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:21,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:21,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:21,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:30:21,957 INFO L87 Difference]: Start difference. First operand 1606 states and 1889 transitions. Second operand 3 states. [2020-10-19 23:30:22,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:22,872 INFO L93 Difference]: Finished difference Result 3744 states and 4424 transitions. [2020-10-19 23:30:22,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:22,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-10-19 23:30:22,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:22,883 INFO L225 Difference]: With dead ends: 3744 [2020-10-19 23:30:22,883 INFO L226 Difference]: Without dead ends: 2140 [2020-10-19 23:30:22,886 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 23:30:22,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-10-19 23:30:22,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-10-19 23:30:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:30:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2463 transitions. [2020-10-19 23:30:22,931 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2463 transitions. Word has length 214 [2020-10-19 23:30:22,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:22,931 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2463 transitions. [2020-10-19 23:30:22,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2463 transitions. [2020-10-19 23:30:22,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-19 23:30:22,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:22,937 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:22,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:30:22,938 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:22,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:22,939 INFO L82 PathProgramCache]: Analyzing trace with hash -898947001, now seen corresponding path program 1 times [2020-10-19 23:30:22,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:22,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772697806] [2020-10-19 23:30:22,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-19 23:30:23,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772697806] [2020-10-19 23:30:23,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:23,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:30:23,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534220686] [2020-10-19 23:30:23,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:30:23,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:23,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:30:23,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:30:23,341 INFO L87 Difference]: Start difference. First operand 2140 states and 2463 transitions. Second operand 4 states. [2020-10-19 23:30:24,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:24,219 INFO L93 Difference]: Finished difference Result 4336 states and 5006 transitions. [2020-10-19 23:30:24,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:30:24,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 331 [2020-10-19 23:30:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:24,230 INFO L225 Difference]: With dead ends: 4336 [2020-10-19 23:30:24,230 INFO L226 Difference]: Without dead ends: 2318 [2020-10-19 23:30:24,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 23:30:24,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-10-19 23:30:24,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-10-19 23:30:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:30:24,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2360 transitions. [2020-10-19 23:30:24,271 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2360 transitions. Word has length 331 [2020-10-19 23:30:24,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:24,273 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2360 transitions. [2020-10-19 23:30:24,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:30:24,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2360 transitions. [2020-10-19 23:30:24,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-19 23:30:24,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:24,282 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, 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:24,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:30:24,283 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:24,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:24,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1633624003, now seen corresponding path program 1 times [2020-10-19 23:30:24,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:24,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927581751] [2020-10-19 23:30:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:30:24,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927581751] [2020-10-19 23:30:24,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:24,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:30:24,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476631182] [2020-10-19 23:30:24,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:24,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:24,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:24,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:30:24,656 INFO L87 Difference]: Start difference. First operand 2140 states and 2360 transitions. Second operand 3 states. [2020-10-19 23:30:25,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:25,356 INFO L93 Difference]: Finished difference Result 4456 states and 4944 transitions. [2020-10-19 23:30:25,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:25,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 420 [2020-10-19 23:30:25,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:25,368 INFO L225 Difference]: With dead ends: 4456 [2020-10-19 23:30:25,368 INFO L226 Difference]: Without dead ends: 2496 [2020-10-19 23:30:25,372 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 23:30:25,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-19 23:30:25,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2020-10-19 23:30:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-10-19 23:30:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2554 transitions. [2020-10-19 23:30:25,430 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2554 transitions. Word has length 420 [2020-10-19 23:30:25,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:25,432 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2554 transitions. [2020-10-19 23:30:25,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2554 transitions. [2020-10-19 23:30:25,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2020-10-19 23:30:25,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:25,451 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:25,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:30:25,452 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:25,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:25,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1926639252, now seen corresponding path program 1 times [2020-10-19 23:30:25,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:25,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448331654] [2020-10-19 23:30:25,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:30:26,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448331654] [2020-10-19 23:30:26,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:26,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:30:26,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255046418] [2020-10-19 23:30:26,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:26,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:26,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:26,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:30:26,009 INFO L87 Difference]: Start difference. First operand 2318 states and 2554 transitions. Second operand 3 states. [2020-10-19 23:30:26,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:26,960 INFO L93 Difference]: Finished difference Result 4990 states and 5544 transitions. [2020-10-19 23:30:26,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:26,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 426 [2020-10-19 23:30:26,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:26,977 INFO L225 Difference]: With dead ends: 4990 [2020-10-19 23:30:26,978 INFO L226 Difference]: Without dead ends: 2852 [2020-10-19 23:30:26,982 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 23:30:26,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2020-10-19 23:30:27,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2318. [2020-10-19 23:30:27,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-10-19 23:30:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2542 transitions. [2020-10-19 23:30:27,044 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2542 transitions. Word has length 426 [2020-10-19 23:30:27,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:27,046 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2542 transitions. [2020-10-19 23:30:27,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2542 transitions. [2020-10-19 23:30:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2020-10-19 23:30:27,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:27,064 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:27,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:30:27,065 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:27,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:27,066 INFO L82 PathProgramCache]: Analyzing trace with hash 862258857, now seen corresponding path program 1 times [2020-10-19 23:30:27,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:27,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041091952] [2020-10-19 23:30:27,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:30:27,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041091952] [2020-10-19 23:30:27,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:27,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:30:27,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924918806] [2020-10-19 23:30:27,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:27,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:27,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:27,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:30:27,545 INFO L87 Difference]: Start difference. First operand 2318 states and 2542 transitions. Second operand 3 states. [2020-10-19 23:30:28,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:28,249 INFO L93 Difference]: Finished difference Result 5168 states and 5725 transitions. [2020-10-19 23:30:28,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:28,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 433 [2020-10-19 23:30:28,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:28,264 INFO L225 Difference]: With dead ends: 5168 [2020-10-19 23:30:28,265 INFO L226 Difference]: Without dead ends: 3030 [2020-10-19 23:30:28,268 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 23:30:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-10-19 23:30:28,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2020-10-19 23:30:28,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-10-19 23:30:28,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3093 transitions. [2020-10-19 23:30:28,316 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3093 transitions. Word has length 433 [2020-10-19 23:30:28,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:28,317 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3093 transitions. [2020-10-19 23:30:28,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3093 transitions. [2020-10-19 23:30:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2020-10-19 23:30:28,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:28,323 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-19 23:30:28,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:30:28,323 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:28,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:28,324 INFO L82 PathProgramCache]: Analyzing trace with hash -895099328, now seen corresponding path program 1 times [2020-10-19 23:30:28,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:28,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947377510] [2020-10-19 23:30:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-10-19 23:30:29,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947377510] [2020-10-19 23:30:29,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:29,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:30:29,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630192326] [2020-10-19 23:30:29,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:29,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:29,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:29,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:30:29,066 INFO L87 Difference]: Start difference. First operand 2852 states and 3093 transitions. Second operand 3 states. [2020-10-19 23:30:29,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:29,820 INFO L93 Difference]: Finished difference Result 6058 states and 6632 transitions. [2020-10-19 23:30:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:29,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 588 [2020-10-19 23:30:29,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:29,840 INFO L225 Difference]: With dead ends: 6058 [2020-10-19 23:30:29,841 INFO L226 Difference]: Without dead ends: 3386 [2020-10-19 23:30:29,844 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 23:30:29,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2020-10-19 23:30:29,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3386. [2020-10-19 23:30:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:30:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3659 transitions. [2020-10-19 23:30:29,905 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3659 transitions. Word has length 588 [2020-10-19 23:30:29,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:29,906 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3659 transitions. [2020-10-19 23:30:29,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3659 transitions. [2020-10-19 23:30:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-10-19 23:30:29,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:29,913 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:29,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:30:29,913 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:29,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:29,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1321704781, now seen corresponding path program 1 times [2020-10-19 23:30:29,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:29,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624095125] [2020-10-19 23:30:29,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 749 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-10-19 23:30:30,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624095125] [2020-10-19 23:30:30,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:30,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:30:30,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45062697] [2020-10-19 23:30:30,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:30,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:30,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:30,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:30:30,728 INFO L87 Difference]: Start difference. First operand 3386 states and 3659 transitions. Second operand 3 states. [2020-10-19 23:30:31,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:31,450 INFO L93 Difference]: Finished difference Result 7304 states and 7950 transitions. [2020-10-19 23:30:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:31,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 606 [2020-10-19 23:30:31,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:31,468 INFO L225 Difference]: With dead ends: 7304 [2020-10-19 23:30:31,469 INFO L226 Difference]: Without dead ends: 4098 [2020-10-19 23:30:31,473 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 23:30:31,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-10-19 23:30:31,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2020-10-19 23:30:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-10-19 23:30:31,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4235 transitions. [2020-10-19 23:30:31,533 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4235 transitions. Word has length 606 [2020-10-19 23:30:31,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:31,534 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4235 transitions. [2020-10-19 23:30:31,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4235 transitions. [2020-10-19 23:30:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2020-10-19 23:30:31,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:31,540 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2020-10-19 23:30:31,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:30:31,541 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:31,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:31,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1577866893, now seen corresponding path program 1 times [2020-10-19 23:30:31,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:31,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608837625] [2020-10-19 23:30:31,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 832 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:30:32,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608837625] [2020-10-19 23:30:32,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055465426] [2020-10-19 23:30:32,132 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 23:30:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:32,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:30:32,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:30:32,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-10-19 23:30:32,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:30:32,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:30:32,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824717460] [2020-10-19 23:30:32,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:32,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:32,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:32,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:30:32,634 INFO L87 Difference]: Start difference. First operand 3920 states and 4235 transitions. Second operand 3 states. [2020-10-19 23:30:33,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:33,323 INFO L93 Difference]: Finished difference Result 9084 states and 9804 transitions. [2020-10-19 23:30:33,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:33,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 629 [2020-10-19 23:30:33,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:33,359 INFO L225 Difference]: With dead ends: 9084 [2020-10-19 23:30:33,364 INFO L226 Difference]: Without dead ends: 4454 [2020-10-19 23:30:33,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:30:33,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2020-10-19 23:30:33,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 3920. [2020-10-19 23:30:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-10-19 23:30:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4207 transitions. [2020-10-19 23:30:33,451 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4207 transitions. Word has length 629 [2020-10-19 23:30:33,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:33,452 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4207 transitions. [2020-10-19 23:30:33,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:33,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4207 transitions. [2020-10-19 23:30:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2020-10-19 23:30:33,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:33,465 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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 23:30:33,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-19 23:30:33,679 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:33,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:33,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1651836789, now seen corresponding path program 1 times [2020-10-19 23:30:33,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:33,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469566233] [2020-10-19 23:30:33,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1826 backedges. 1319 proven. 155 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-10-19 23:30:34,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469566233] [2020-10-19 23:30:34,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613119557] [2020-10-19 23:30:34,906 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 23:30:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:35,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:30:35,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:30:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1826 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2020-10-19 23:30:35,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:30:35,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:30:35,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581426399] [2020-10-19 23:30:35,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:35,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:35,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:35,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:30:35,433 INFO L87 Difference]: Start difference. First operand 3920 states and 4207 transitions. Second operand 3 states. [2020-10-19 23:30:36,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:36,134 INFO L93 Difference]: Finished difference Result 8550 states and 9169 transitions. [2020-10-19 23:30:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:36,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 791 [2020-10-19 23:30:36,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:36,144 INFO L225 Difference]: With dead ends: 8550 [2020-10-19 23:30:36,144 INFO L226 Difference]: Without dead ends: 3564 [2020-10-19 23:30:36,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 791 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:30:36,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-10-19 23:30:36,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3208. [2020-10-19 23:30:36,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2020-10-19 23:30:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3412 transitions. [2020-10-19 23:30:36,191 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3412 transitions. Word has length 791 [2020-10-19 23:30:36,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:36,192 INFO L481 AbstractCegarLoop]: Abstraction has 3208 states and 3412 transitions. [2020-10-19 23:30:36,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3412 transitions. [2020-10-19 23:30:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2020-10-19 23:30:36,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:36,203 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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 23:30:36,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-19 23:30:36,417 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:36,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:36,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1656295860, now seen corresponding path program 1 times [2020-10-19 23:30:36,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:36,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875876513] [2020-10-19 23:30:36,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:37,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1911 backedges. 1404 proven. 155 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-10-19 23:30:37,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875876513] [2020-10-19 23:30:37,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903688284] [2020-10-19 23:30:37,088 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 23:30:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:37,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:30:37,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:30:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1911 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2020-10-19 23:30:37,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:30:37,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:30:37,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743357040] [2020-10-19 23:30:37,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:37,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:37,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:37,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:30:37,896 INFO L87 Difference]: Start difference. First operand 3208 states and 3412 transitions. Second operand 3 states. [2020-10-19 23:30:38,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:38,735 INFO L93 Difference]: Finished difference Result 6234 states and 6642 transitions. [2020-10-19 23:30:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:38,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 817 [2020-10-19 23:30:38,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:38,738 INFO L225 Difference]: With dead ends: 6234 [2020-10-19 23:30:38,738 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:30:38,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:30:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:30:38,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:30:38,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:30:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:30:38,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 817 [2020-10-19 23:30:38,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:38,752 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:30:38,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:30:38,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:30:38,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-19 23:30:38,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:30:39,217 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:30:39,218 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:30:39,218 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:30:39,218 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:30:39,218 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:30:39,218 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:30:39,218 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:30:39,219 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,219 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,219 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,219 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:30:39,219 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:30:39,219 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:30:39,219 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:30:39,219 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:30:39,219 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:30:39,220 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:30:39,220 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:30:39,220 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,220 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,220 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,220 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:30:39,220 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:30:39,220 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:30:39,220 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:30:39,221 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:30:39,221 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:30:39,221 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:30:39,222 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:30:39,222 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,222 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,222 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,223 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:30:39,223 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:30:39,223 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:30:39,223 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:30:39,223 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:30:39,224 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:30:39,224 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:30:39,224 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:30:39,224 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:30:39,224 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,225 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,225 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,225 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:30:39,225 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:30:39,225 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:30:39,226 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:30:39,226 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:30:39,226 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:30:39,226 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:30:39,226 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,227 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,227 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,227 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:30:39,228 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:30:39,228 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:30:39,228 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:30:39,228 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:30:39,229 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:30:39,229 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:30:39,229 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:30:39,229 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:30:39,230 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,230 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,230 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,230 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:30:39,231 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:30:39,231 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:30:39,231 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:30:39,231 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:30:39,232 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:30:39,232 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:30:39,232 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:30:39,232 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,233 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,233 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,233 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:30:39,233 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:30:39,234 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:30:39,234 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:30:39,234 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:30:39,234 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:30:39,235 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:30:39,235 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:30:39,235 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:30:39,235 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,236 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,236 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,236 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:30:39,236 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:30:39,237 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:30:39,237 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:30:39,237 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:30:39,237 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:30:39,238 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:30:39,238 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:30:39,238 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,238 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,239 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,239 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:30:39,239 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:30:39,239 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:30:39,239 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:30:39,240 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:30:39,240 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:30:39,240 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:30:39,240 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:30:39,241 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,241 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,241 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,241 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:30:39,242 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:30:39,242 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:30:39,242 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:30:39,243 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:30:39,243 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:30:39,243 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:30:39,243 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:30:39,243 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:30:39,244 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:30:39,244 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,244 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,244 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,244 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:30:39,245 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:30:39,245 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:30:39,245 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:30:39,245 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:30:39,245 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:30:39,246 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:30:39,246 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:30:39,246 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:30:39,246 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,247 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,247 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,247 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:30:39,247 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:30:39,247 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:30:39,248 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:30:39,248 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:30:39,248 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:30:39,249 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:30:39,249 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:30:39,249 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,249 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,250 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:30:39,250 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:30:39,250 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:30:39,250 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:30:39,251 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:30:39,251 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:30:39,251 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:30:39,251 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:30:39,252 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,252 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,252 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:30:39,252 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:30:39,252 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:30:39,253 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:30:39,253 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:30:39,253 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:30:39,253 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,253 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,254 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (or (and (<= ~a15~0 5) (<= (+ ~a12~0 49) 0)) (and (<= ~a15~0 7) .cse0) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse0) (and .cse0 (<= 9 ~a15~0)) (and (<= 518246 ~a12~0) .cse0) (and (<= 7 ~a21~0) .cse0))) [2020-10-19 23:30:39,254 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:30:39,254 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:30:39,254 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:30:39,255 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:30:39,255 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:30:39,255 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:30:39,255 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:30:39,255 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:30:39,256 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,256 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,256 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:30:39,256 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:30:39,256 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:30:39,256 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:30:39,257 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:30:39,257 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:30:39,257 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:30:39,257 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:30:39,257 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:30:39,258 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,258 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,258 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:30:39,258 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:30:39,258 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:30:39,258 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:30:39,259 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:30:39,259 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:30:39,259 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,259 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,259 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:30:39,259 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,259 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:30:39,260 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (or (and (<= ~a15~0 5) (<= (+ ~a12~0 49) 0)) (and (<= ~a15~0 7) .cse0) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse0) (and .cse0 (<= 9 ~a15~0)) (and (<= 518246 ~a12~0) .cse0) (and (<= 7 ~a21~0) .cse0))) [2020-10-19 23:30:39,260 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:30:39,260 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:30:39,260 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:30:39,261 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:30:39,261 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:30:39,261 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:30:39,261 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:30:39,262 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:30:39,262 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:30:39,262 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,263 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,263 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,263 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:30:39,263 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:30:39,264 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:30:39,264 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:30:39,264 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:30:39,264 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:30:39,265 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:30:39,265 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:30:39,265 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:30:39,265 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:30:39,266 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,266 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,266 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,266 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:30:39,267 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:30:39,267 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:30:39,267 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:30:39,267 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:30:39,268 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:30:39,268 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:30:39,268 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:30:39,268 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,269 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,269 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,269 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:30:39,269 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:30:39,270 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:30:39,270 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:30:39,270 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:30:39,270 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:30:39,271 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:30:39,271 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:30:39,271 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:30:39,271 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,272 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,272 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:39,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:30:39 BoogieIcfgContainer [2020-10-19 23:30:39,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:30:39,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:30:39,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:30:39,297 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:30:39,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:30:14" (3/4) ... [2020-10-19 23:30:39,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:30:39,329 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:30:39,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:30:39,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:30:39,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:30:39,595 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:30:39,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:30:39,599 INFO L168 Benchmark]: Toolchain (without parser) took 28092.76 ms. Allocated memory was 36.7 MB in the beginning and 526.9 MB in the end (delta: 490.2 MB). Free memory was 10.5 MB in the beginning and 142.1 MB in the end (delta: -131.6 MB). Peak memory consumption was 358.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:39,600 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 34.1 MB. Free memory was 16.1 MB in the beginning and 16.1 MB in the end (delta: 36.3 kB). Peak memory consumption was 36.3 kB. Max. memory is 14.3 GB. [2020-10-19 23:30:39,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.60 ms. Allocated memory was 36.7 MB in the beginning and 47.2 MB in the end (delta: 10.5 MB). Free memory was 9.6 MB in the beginning and 23.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:39,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.27 ms. Allocated memory is still 47.2 MB. Free memory was 23.6 MB in the beginning and 13.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:39,601 INFO L168 Benchmark]: Boogie Preprocessor took 138.22 ms. Allocated memory was 47.2 MB in the beginning and 48.2 MB in the end (delta: 1.0 MB). Free memory was 13.9 MB in the beginning and 21.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:39,607 INFO L168 Benchmark]: RCFGBuilder took 1762.85 ms. Allocated memory was 48.2 MB in the beginning and 64.0 MB in the end (delta: 15.7 MB). Free memory was 21.7 MB in the beginning and 33.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:39,608 INFO L168 Benchmark]: TraceAbstraction took 24728.37 ms. Allocated memory was 64.0 MB in the beginning and 526.9 MB in the end (delta: 462.9 MB). Free memory was 33.1 MB in the beginning and 168.3 MB in the end (delta: -135.2 MB). Peak memory consumption was 327.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:39,608 INFO L168 Benchmark]: Witness Printer took 299.40 ms. Allocated memory is still 526.9 MB. Free memory was 168.3 MB in the beginning and 142.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:39,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 34.1 MB. Free memory was 16.1 MB in the beginning and 16.1 MB in the end (delta: 36.3 kB). Peak memory consumption was 36.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 994.60 ms. Allocated memory was 36.7 MB in the beginning and 47.2 MB in the end (delta: 10.5 MB). Free memory was 9.6 MB in the beginning and 23.9 MB in the end (delta: -14.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 154.27 ms. Allocated memory is still 47.2 MB. Free memory was 23.6 MB in the beginning and 13.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 138.22 ms. Allocated memory was 47.2 MB in the beginning and 48.2 MB in the end (delta: 1.0 MB). Free memory was 13.9 MB in the beginning and 21.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1762.85 ms. Allocated memory was 48.2 MB in the beginning and 64.0 MB in the end (delta: 15.7 MB). Free memory was 21.7 MB in the beginning and 33.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 24728.37 ms. Allocated memory was 64.0 MB in the beginning and 526.9 MB in the end (delta: 462.9 MB). Free memory was 33.1 MB in the beginning and 168.3 MB in the end (delta: -135.2 MB). Peak memory consumption was 327.7 MB. Max. memory is 14.3 GB. * Witness Printer took 299.40 ms. Allocated memory is still 526.9 MB. Free memory was 168.3 MB in the beginning and 142.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 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: 22]: Loop Invariant Derived loop invariant: (((((a15 <= 5 && a12 + 49 <= 0) || (a15 <= 7 && a24 == 1)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && 9 <= a15)) || (518246 <= a12 && a24 == 1)) || (7 <= a21 && a24 == 1) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((a15 <= 5 && a12 + 49 <= 0) || (a15 <= 7 && a24 == 1)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && 9 <= a15)) || (518246 <= a12 && a24 == 1)) || (7 <= a21 && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.3s, OverallIterations: 15, TraceHistogramMax: 7, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2314 SDtfs, 2089 SDslu, 85 SDs, 0 SdLazy, 7552 SolverSat, 1017 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2280 GetRequests, 2255 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3920occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 2318 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 71 NumberOfFragments, 101 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1962 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 108 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 7972 NumberOfCodeBlocks, 7972 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 7954 ConstructedInterpolants, 0 QuantifiedInterpolants, 8622612 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2830 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 14204/14624 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...