./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label47.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/Problem11_label47.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 0ea52ad6a7579f4c4c09ce778a989447248d57a6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:13:44,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:13:44,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:13:44,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:13:44,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:13:44,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:13:44,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:13:44,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:13:44,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:13:44,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:13:44,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:13:44,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:13:44,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:13:44,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:13:44,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:13:44,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:13:44,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:13:44,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:13:44,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:13:44,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:13:44,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:13:44,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:13:44,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:13:44,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:13:44,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:13:44,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:13:44,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:13:44,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:13:44,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:13:44,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:13:44,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:13:44,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:13:44,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:13:44,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:13:44,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:13:44,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:13:44,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:13:44,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:13:44,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:13:44,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:13:44,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:13:44,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:13:44,279 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:13:44,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:13:44,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:13:44,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:13:44,281 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:13:44,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:13:44,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:13:44,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:13:44,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:13:44,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:13:44,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:13:44,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:13:44,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:13:44,283 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:13:44,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:13:44,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:13:44,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:13:44,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:13:44,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:13:44,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:13:44,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:13:44,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:13:44,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:13:44,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:13:44,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:13:44,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:13:44,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:13:44,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:13:44,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:13:44,288 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 -> 0ea52ad6a7579f4c4c09ce778a989447248d57a6 [2020-10-19 23:13:44,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:13:44,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:13:44,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:13:44,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:13:44,540 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:13:44,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label47.c [2020-10-19 23:13:44,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9514ce0d0/b3539f0b48744ce9907d628631313a2f/FLAG2228040d5 [2020-10-19 23:13:45,412 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:13:45,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label47.c [2020-10-19 23:13:45,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9514ce0d0/b3539f0b48744ce9907d628631313a2f/FLAG2228040d5 [2020-10-19 23:13:45,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9514ce0d0/b3539f0b48744ce9907d628631313a2f [2020-10-19 23:13:45,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:13:45,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:13:45,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:13:45,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:13:45,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:13:45,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:13:45" (1/1) ... [2020-10-19 23:13:45,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2342dd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:45, skipping insertion in model container [2020-10-19 23:13:45,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:13:45" (1/1) ... [2020-10-19 23:13:45,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:13:45,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:13:46,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:13:46,338 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:13:46,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:13:46,615 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:13:46,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46 WrapperNode [2020-10-19 23:13:46,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:13:46,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:13:46,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:13:46,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:13:46,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (1/1) ... [2020-10-19 23:13:46,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (1/1) ... [2020-10-19 23:13:46,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:13:46,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:13:46,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:13:46,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:13:46,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (1/1) ... [2020-10-19 23:13:46,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (1/1) ... [2020-10-19 23:13:46,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (1/1) ... [2020-10-19 23:13:46,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (1/1) ... [2020-10-19 23:13:47,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (1/1) ... [2020-10-19 23:13:47,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (1/1) ... [2020-10-19 23:13:47,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (1/1) ... [2020-10-19 23:13:47,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:13:47,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:13:47,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:13:47,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:13:47,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (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 23:13:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:13:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:13:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:13:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:13:49,457 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:13:49,457 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:13:49,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:13:49 BoogieIcfgContainer [2020-10-19 23:13:49,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:13:49,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:13:49,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:13:49,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:13:49,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:13:45" (1/3) ... [2020-10-19 23:13:49,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6a9f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:13:49, skipping insertion in model container [2020-10-19 23:13:49,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:46" (2/3) ... [2020-10-19 23:13:49,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6a9f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:13:49, skipping insertion in model container [2020-10-19 23:13:49,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:13:49" (3/3) ... [2020-10-19 23:13:49,469 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label47.c [2020-10-19 23:13:49,483 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:13:49,491 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:13:49,507 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:13:49,538 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:13:49,538 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:13:49,538 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:13:49,538 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:13:49,539 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:13:49,539 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:13:49,539 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:13:49,539 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:13:49,564 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-19 23:13:49,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-19 23:13:49,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:49,793 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] [2020-10-19 23:13:49,793 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:49,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:49,801 INFO L82 PathProgramCache]: Analyzing trace with hash -596708735, now seen corresponding path program 1 times [2020-10-19 23:13:49,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:49,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7964205] [2020-10-19 23:13:49,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:50,105 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 23:13:50,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7964205] [2020-10-19 23:13:50,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:50,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:13:50,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292777358] [2020-10-19 23:13:50,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:50,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:50,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:50,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:50,131 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-19 23:13:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:51,745 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-10-19 23:13:51,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:51,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-10-19 23:13:51,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:51,770 INFO L225 Difference]: With dead ends: 762 [2020-10-19 23:13:51,770 INFO L226 Difference]: Without dead ends: 413 [2020-10-19 23:13:51,779 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 23:13:51,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-19 23:13:51,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-10-19 23:13:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-19 23:13:51,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-10-19 23:13:51,861 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 35 [2020-10-19 23:13:51,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:51,861 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-10-19 23:13:51,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-10-19 23:13:51,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-19 23:13:51,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:51,866 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:13:51,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:13:51,867 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:51,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:51,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1540621286, now seen corresponding path program 1 times [2020-10-19 23:13:51,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:51,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956007079] [2020-10-19 23:13:51,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:13:52,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956007079] [2020-10-19 23:13:52,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:52,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:13:52,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807156275] [2020-10-19 23:13:52,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:52,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:52,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:52,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:52,040 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-10-19 23:13:53,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:53,164 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-10-19 23:13:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:53,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-10-19 23:13:53,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:53,170 INFO L225 Difference]: With dead ends: 1211 [2020-10-19 23:13:53,170 INFO L226 Difference]: Without dead ends: 800 [2020-10-19 23:13:53,172 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 23:13:53,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-19 23:13:53,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-10-19 23:13:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-19 23:13:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-19 23:13:53,237 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 103 [2020-10-19 23:13:53,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:53,238 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-19 23:13:53,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:53,238 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-19 23:13:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-19 23:13:53,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:53,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:13:53,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:13:53,243 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:53,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash 852205291, now seen corresponding path program 1 times [2020-10-19 23:13:53,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:53,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245525808] [2020-10-19 23:13:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:13:53,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245525808] [2020-10-19 23:13:53,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:53,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:13:53,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987005312] [2020-10-19 23:13:53,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:53,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:53,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:53,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:53,422 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-19 23:13:54,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:54,695 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-10-19 23:13:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:54,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-10-19 23:13:54,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:54,705 INFO L225 Difference]: With dead ends: 2314 [2020-10-19 23:13:54,705 INFO L226 Difference]: Without dead ends: 1527 [2020-10-19 23:13:54,707 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 23:13:54,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-19 23:13:54,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-10-19 23:13:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-19 23:13:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-10-19 23:13:54,744 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 105 [2020-10-19 23:13:54,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:54,745 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-10-19 23:13:54,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-10-19 23:13:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-19 23:13:54,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:54,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:13:54,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:13:54,749 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:54,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:54,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1118410317, now seen corresponding path program 1 times [2020-10-19 23:13:54,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:54,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407683779] [2020-10-19 23:13:54,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:13:54,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407683779] [2020-10-19 23:13:54,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:54,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:54,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284296635] [2020-10-19 23:13:54,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:54,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:54,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:54,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:54,947 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-10-19 23:13:56,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:56,187 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-10-19 23:13:56,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:56,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-10-19 23:13:56,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:56,199 INFO L225 Difference]: With dead ends: 3257 [2020-10-19 23:13:56,200 INFO L226 Difference]: Without dead ends: 1917 [2020-10-19 23:13:56,202 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 23:13:56,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-10-19 23:13:56,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-10-19 23:13:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-10-19 23:13:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-10-19 23:13:56,249 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 162 [2020-10-19 23:13:56,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:56,251 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-10-19 23:13:56,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-10-19 23:13:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-19 23:13:56,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:56,258 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:13:56,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:13:56,258 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:56,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:56,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1231681204, now seen corresponding path program 1 times [2020-10-19 23:13:56,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:56,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46577394] [2020-10-19 23:13:56,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-19 23:13:56,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46577394] [2020-10-19 23:13:56,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:56,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:56,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940044544] [2020-10-19 23:13:56,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:56,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:56,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:56,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:56,426 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-10-19 23:13:57,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:57,699 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-10-19 23:13:57,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:57,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-10-19 23:13:57,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:57,720 INFO L225 Difference]: With dead ends: 4389 [2020-10-19 23:13:57,721 INFO L226 Difference]: Without dead ends: 2661 [2020-10-19 23:13:57,724 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 23:13:57,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-10-19 23:13:57,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-10-19 23:13:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-10-19 23:13:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-10-19 23:13:57,775 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 217 [2020-10-19 23:13:57,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:57,776 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-10-19 23:13:57,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-10-19 23:13:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-19 23:13:57,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:57,780 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:13:57,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:13:57,780 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:57,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:57,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1677990501, now seen corresponding path program 1 times [2020-10-19 23:13:57,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:57,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346900140] [2020-10-19 23:13:57,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:13:58,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346900140] [2020-10-19 23:13:58,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:58,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:58,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027599338] [2020-10-19 23:13:58,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:58,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:58,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:58,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:58,044 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-10-19 23:13:59,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:59,599 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-10-19 23:13:59,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:59,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2020-10-19 23:13:59,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:59,621 INFO L225 Difference]: With dead ends: 5862 [2020-10-19 23:13:59,622 INFO L226 Difference]: Without dead ends: 3397 [2020-10-19 23:13:59,628 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 23:13:59,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-10-19 23:13:59,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-10-19 23:13:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-10-19 23:13:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-10-19 23:13:59,747 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 223 [2020-10-19 23:13:59,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:59,748 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-10-19 23:13:59,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-10-19 23:13:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-10-19 23:13:59,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:59,762 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:13:59,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:13:59,763 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:59,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:59,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1939944005, now seen corresponding path program 1 times [2020-10-19 23:13:59,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:59,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460389697] [2020-10-19 23:13:59,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-19 23:14:00,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460389697] [2020-10-19 23:14:00,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:00,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:14:00,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307025909] [2020-10-19 23:14:00,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:14:00,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:00,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:14:00,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:00,066 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-10-19 23:14:03,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:03,455 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-10-19 23:14:03,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:14:03,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2020-10-19 23:14:03,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:03,470 INFO L225 Difference]: With dead ends: 6788 [2020-10-19 23:14:03,471 INFO L226 Difference]: Without dead ends: 3402 [2020-10-19 23:14:03,475 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 23:14:03,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-10-19 23:14:03,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-10-19 23:14:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-10-19 23:14:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-10-19 23:14:03,529 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 294 [2020-10-19 23:14:03,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:03,530 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-10-19 23:14:03,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:14:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-10-19 23:14:03,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-19 23:14:03,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:03,537 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:03,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:14:03,537 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:03,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:03,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1728446459, now seen corresponding path program 1 times [2020-10-19 23:14:03,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:03,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485929394] [2020-10-19 23:14:03,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 23:14:03,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485929394] [2020-10-19 23:14:03,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:03,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:14:03,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501637304] [2020-10-19 23:14:03,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:14:03,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:03,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:14:03,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:03,798 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-10-19 23:14:04,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:04,931 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-10-19 23:14:04,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:14:04,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-10-19 23:14:04,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:04,945 INFO L225 Difference]: With dead ends: 6015 [2020-10-19 23:14:04,945 INFO L226 Difference]: Without dead ends: 2997 [2020-10-19 23:14:04,949 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 23:14:04,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-10-19 23:14:05,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-10-19 23:14:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-19 23:14:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-10-19 23:14:05,012 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 295 [2020-10-19 23:14:05,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:05,012 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-10-19 23:14:05,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:14:05,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-10-19 23:14:05,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-19 23:14:05,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:05,019 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:05,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:14:05,019 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:05,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:05,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1160125408, now seen corresponding path program 1 times [2020-10-19 23:14:05,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:05,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936508697] [2020-10-19 23:14:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-19 23:14:05,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936508697] [2020-10-19 23:14:05,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:05,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:14:05,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709251361] [2020-10-19 23:14:05,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:14:05,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:05,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:14:05,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:05,252 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-10-19 23:14:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:06,600 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-10-19 23:14:06,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:14:06,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2020-10-19 23:14:06,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:06,618 INFO L225 Difference]: With dead ends: 6907 [2020-10-19 23:14:06,618 INFO L226 Difference]: Without dead ends: 3914 [2020-10-19 23:14:06,622 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 23:14:06,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-10-19 23:14:06,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-10-19 23:14:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-10-19 23:14:06,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-10-19 23:14:06,671 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 300 [2020-10-19 23:14:06,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:06,671 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-10-19 23:14:06,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:14:06,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-10-19 23:14:06,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-19 23:14:06,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:06,681 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:14:06,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:14:06,682 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:06,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:06,682 INFO L82 PathProgramCache]: Analyzing trace with hash -869936905, now seen corresponding path program 1 times [2020-10-19 23:14:06,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:06,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37516268] [2020-10-19 23:14:06,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:14:07,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37516268] [2020-10-19 23:14:07,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:07,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:14:07,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208697992] [2020-10-19 23:14:07,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:14:07,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:07,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:14:07,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:14:07,028 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-10-19 23:14:09,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:09,546 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-10-19 23:14:09,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:14:09,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 340 [2020-10-19 23:14:09,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:09,567 INFO L225 Difference]: With dead ends: 6353 [2020-10-19 23:14:09,568 INFO L226 Difference]: Without dead ends: 4286 [2020-10-19 23:14:09,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:14:09,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-10-19 23:14:09,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-10-19 23:14:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-19 23:14:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-19 23:14:09,656 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 340 [2020-10-19 23:14:09,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:09,657 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-19 23:14:09,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:14:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-19 23:14:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-10-19 23:14:09,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:09,674 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:09,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:14:09,674 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:09,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:09,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1078433395, now seen corresponding path program 1 times [2020-10-19 23:14:09,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:09,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525248034] [2020-10-19 23:14:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-19 23:14:10,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525248034] [2020-10-19 23:14:10,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:10,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:14:10,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947582042] [2020-10-19 23:14:10,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:14:10,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:10,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:14:10,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:14:10,159 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-19 23:14:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:12,424 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-10-19 23:14:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:14:12,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 414 [2020-10-19 23:14:12,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:12,447 INFO L225 Difference]: With dead ends: 8752 [2020-10-19 23:14:12,448 INFO L226 Difference]: Without dead ends: 5022 [2020-10-19 23:14:12,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:14:12,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-10-19 23:14:12,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-10-19 23:14:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-19 23:14:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-19 23:14:12,521 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 414 [2020-10-19 23:14:12,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:12,522 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-19 23:14:12,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:14:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-19 23:14:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2020-10-19 23:14:12,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:12,533 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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 23:14:12,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:14:12,533 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:12,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:12,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1082999695, now seen corresponding path program 1 times [2020-10-19 23:14:12,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:12,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185524516] [2020-10-19 23:14:12,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 838 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2020-10-19 23:14:13,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185524516] [2020-10-19 23:14:13,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:13,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:14:13,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937075152] [2020-10-19 23:14:13,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:14:13,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:13,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:14:13,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:14:13,475 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-19 23:14:15,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:15,903 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-10-19 23:14:15,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:14:15,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 665 [2020-10-19 23:14:15,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:15,919 INFO L225 Difference]: With dead ends: 11899 [2020-10-19 23:14:15,919 INFO L226 Difference]: Without dead ends: 8169 [2020-10-19 23:14:15,925 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 23:14:15,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-10-19 23:14:16,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-10-19 23:14:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-10-19 23:14:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-10-19 23:14:16,034 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 665 [2020-10-19 23:14:16,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:16,035 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-10-19 23:14:16,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:14:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-10-19 23:14:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2020-10-19 23:14:16,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:16,054 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:16,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:14:16,055 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:16,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:16,055 INFO L82 PathProgramCache]: Analyzing trace with hash 229994745, now seen corresponding path program 1 times [2020-10-19 23:14:16,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:16,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405714340] [2020-10-19 23:14:16,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 952 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2020-10-19 23:14:16,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405714340] [2020-10-19 23:14:16,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:16,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:14:16,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795503547] [2020-10-19 23:14:16,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:14:16,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:16,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:14:16,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:16,776 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-10-19 23:14:18,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:18,181 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-10-19 23:14:18,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:14:18,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 733 [2020-10-19 23:14:18,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:18,199 INFO L225 Difference]: With dead ends: 17436 [2020-10-19 23:14:18,199 INFO L226 Difference]: Without dead ends: 8717 [2020-10-19 23:14:18,209 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 23:14:18,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-10-19 23:14:18,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-10-19 23:14:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-10-19 23:14:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-10-19 23:14:18,321 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 733 [2020-10-19 23:14:18,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:18,322 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-10-19 23:14:18,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:14:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-10-19 23:14:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2020-10-19 23:14:18,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:18,346 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, 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, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:14:18,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 23:14:18,347 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:18,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:18,347 INFO L82 PathProgramCache]: Analyzing trace with hash -705917580, now seen corresponding path program 1 times [2020-10-19 23:14:18,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:18,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043202954] [2020-10-19 23:14:18,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1979 backedges. 1433 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2020-10-19 23:14:19,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043202954] [2020-10-19 23:14:19,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:19,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:14:19,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734448421] [2020-10-19 23:14:19,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:14:19,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:19,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:14:19,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:19,109 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-10-19 23:14:20,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:20,494 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-10-19 23:14:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:14:20,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 833 [2020-10-19 23:14:20,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:20,496 INFO L225 Difference]: With dead ends: 18165 [2020-10-19 23:14:20,496 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:14:20,506 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 23:14:20,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:14:20,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:14:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:14:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:14:20,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 833 [2020-10-19 23:14:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:20,509 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:14:20,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:14:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:14:20,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:14:20,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 23:14:20,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:14:20,752 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 115 [2020-10-19 23:14:20,884 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 115 [2020-10-19 23:14:21,621 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-10-19 23:14:22,342 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-10-19 23:14:22,347 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,347 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,347 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,347 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse2 (<= ~a29~0 599998)) (.cse3 (= ~a25~0 12)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (<= ~a25~0 10)) (.cse6 (<= ~a23~0 138)) (.cse4 (= ~a4~0 1)) (.cse9 (+ ~a23~0 43))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and (< 306 ~a23~0) .cse3 .cse2 .cse4) (and .cse5 .cse6 .cse1 .cse2) (and .cse5 .cse1 .cse7) (and .cse6 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse4) (and .cse1 .cse3 .cse2) (and .cse1 .cse8 .cse2 (<= .cse9 0)) (and .cse10 .cse5 .cse4) (and (<= ~a29~0 130) .cse3 .cse4) (and .cse10 .cse0 .cse4) (and .cse5 .cse6 .cse4 (< 0 .cse9)))) [2020-10-19 23:14:22,348 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,348 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:14:22,348 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:14:22,348 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,348 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,348 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,348 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,348 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,349 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,349 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-19 23:14:22,349 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-19 23:14:22,349 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-19 23:14:22,349 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-19 23:14:22,349 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,349 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,350 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,350 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,350 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,350 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,350 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,350 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-19 23:14:22,350 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,351 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,352 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-19 23:14:22,352 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-19 23:14:22,352 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-19 23:14:22,352 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,352 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse2 (<= ~a29~0 599998)) (.cse3 (= ~a25~0 12)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (<= ~a25~0 10)) (.cse6 (<= ~a23~0 138)) (.cse4 (= ~a4~0 1)) (.cse9 (+ ~a23~0 43))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and (< 306 ~a23~0) .cse3 .cse2 .cse4) (and .cse5 .cse6 .cse1 .cse2) (and .cse5 .cse1 .cse7) (and .cse6 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse4) (and .cse1 .cse3 .cse2) (and .cse1 .cse8 .cse2 (<= .cse9 0)) (and .cse10 .cse5 .cse4) (and (<= ~a29~0 130) .cse3 .cse4) (and .cse10 .cse0 .cse4) (and .cse5 .cse6 .cse4 (< 0 .cse9)))) [2020-10-19 23:14:22,352 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,352 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-19 23:14:22,353 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:14:22,354 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:14:22,354 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:14:22,354 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:14:22,354 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,354 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,354 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,354 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,354 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,354 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,355 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,356 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,356 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,356 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,356 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-19 23:14:22,356 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-19 23:14:22,356 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-19 23:14:22,356 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,356 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,356 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,357 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,358 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:14:22,359 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,360 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,361 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-19 23:14:22,361 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-19 23:14:22,361 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-19 23:14:22,361 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,361 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,361 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,361 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,361 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,361 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,362 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-19 23:14:22,362 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-19 23:14:22,362 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-19 23:14:22,362 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:14:22,362 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,362 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:14:22,362 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,362 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,362 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,363 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,363 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,363 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,363 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,363 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-19 23:14:22,363 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-19 23:14:22,363 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-19 23:14:22,363 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,363 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,364 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,365 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:14:22,366 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:14:22,367 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:14:22,368 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-19 23:14:22,369 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,370 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,371 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:14:22,371 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-19 23:14:22,371 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-19 23:14:22,371 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,371 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,371 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,371 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,371 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,371 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,372 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-19 23:14:22,373 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,373 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,373 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,373 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-19 23:14:22,373 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-19 23:14:22,373 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-19 23:14:22,373 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,373 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:14:22,373 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,374 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:14:22,374 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,374 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,374 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:14:22,374 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,374 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,374 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,374 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,374 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,375 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,376 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,377 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:22,377 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,377 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,377 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-19 23:14:22,377 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-19 23:14:22,377 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-19 23:14:22,377 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-19 23:14:22,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:14:22 BoogieIcfgContainer [2020-10-19 23:14:22,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:14:22,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:14:22,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:14:22,406 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:14:22,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:13:49" (3/4) ... [2020-10-19 23:14:22,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:14:22,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:14:22,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:14:22,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:14:22,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:14:22,626 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:14:22,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:14:22,628 INFO L168 Benchmark]: Toolchain (without parser) took 36960.62 ms. Allocated memory was 41.4 MB in the beginning and 417.9 MB in the end (delta: 376.4 MB). Free memory was 16.5 MB in the beginning and 33.4 MB in the end (delta: -16.9 MB). Peak memory consumption was 359.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:22,629 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 31.5 MB. Free memory was 7.6 MB in the beginning and 7.5 MB in the end (delta: 45.4 kB). Peak memory consumption was 45.4 kB. Max. memory is 14.3 GB. [2020-10-19 23:14:22,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.11 ms. Allocated memory was 41.4 MB in the beginning and 44.6 MB in the end (delta: 3.1 MB). Free memory was 15.7 MB in the beginning and 12.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:22,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.31 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 12.0 MB in the beginning and 15.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:22,630 INFO L168 Benchmark]: Boogie Preprocessor took 384.52 ms. Allocated memory was 47.7 MB in the beginning and 57.7 MB in the end (delta: 10.0 MB). Free memory was 14.8 MB in the beginning and 27.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:22,630 INFO L168 Benchmark]: RCFGBuilder took 2253.52 ms. Allocated memory was 57.7 MB in the beginning and 78.1 MB in the end (delta: 20.4 MB). Free memory was 26.7 MB in the beginning and 21.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:22,631 INFO L168 Benchmark]: TraceAbstraction took 32944.39 ms. Allocated memory was 78.1 MB in the beginning and 417.9 MB in the end (delta: 339.7 MB). Free memory was 20.8 MB in the beginning and 66.5 MB in the end (delta: -45.7 MB). Peak memory consumption was 303.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:22,631 INFO L168 Benchmark]: Witness Printer took 220.80 ms. Allocated memory is still 417.9 MB. Free memory was 66.5 MB in the beginning and 33.4 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:22,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 31.5 MB. Free memory was 7.6 MB in the beginning and 7.5 MB in the end (delta: 45.4 kB). Peak memory consumption was 45.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 943.11 ms. Allocated memory was 41.4 MB in the beginning and 44.6 MB in the end (delta: 3.1 MB). Free memory was 15.7 MB in the beginning and 12.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 203.31 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 12.0 MB in the beginning and 15.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 384.52 ms. Allocated memory was 47.7 MB in the beginning and 57.7 MB in the end (delta: 10.0 MB). Free memory was 14.8 MB in the beginning and 27.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2253.52 ms. Allocated memory was 57.7 MB in the beginning and 78.1 MB in the end (delta: 20.4 MB). Free memory was 26.7 MB in the beginning and 21.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 32944.39 ms. Allocated memory was 78.1 MB in the beginning and 417.9 MB in the end (delta: 339.7 MB). Free memory was 20.8 MB in the beginning and 66.5 MB in the end (delta: -45.7 MB). Peak memory consumption was 303.6 MB. Max. memory is 14.3 GB. * Witness Printer took 220.80 ms. Allocated memory is still 417.9 MB. Free memory was 66.5 MB in the beginning and 33.4 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((306 < a23 && a25 == 12) && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (((a23 <= 138 && a4 == 0) && a25 == 13) && a29 + 22 <= 0)) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || (((a4 == 0 && a25 == 13) && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a29 <= 130 && a25 == 12) && a4 == 1)) || ((a29 <= 599999 && a25 == 11) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 1) && 0 < a23 + 43) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((306 < a23 && a25 == 12) && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (((a23 <= 138 && a4 == 0) && a25 == 13) && a29 + 22 <= 0)) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || (((a4 == 0 && a25 == 13) && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a29 <= 130 && a25 == 12) && a4 == 1)) || ((a29 <= 599999 && a25 == 11) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 1) && 0 < a23 + 43) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.9s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 24.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2803 SDtfs, 2466 SDslu, 373 SDs, 0 SdLazy, 9184 SolverSat, 1708 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 4661 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 295 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4606 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3192 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 4719 NumberOfCodeBlocks, 4719 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4705 ConstructedInterpolants, 0 QuantifiedInterpolants, 3897979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 6731/6731 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...