./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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_label16.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 72039621ff70e3561bf0623172de1f4cab9ab217 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:28:53,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:28:53,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:28:53,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:28:53,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:28:53,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:28:53,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:28:53,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:28:53,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:28:53,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:28:53,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:28:53,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:28:53,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:28:53,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:28:53,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:28:53,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:28:53,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:28:53,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:28:53,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:28:53,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:28:53,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:28:53,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:28:53,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:28:53,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:28:53,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:28:53,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:28:53,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:28:53,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:28:53,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:28:53,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:28:53,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:28:53,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:28:53,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:28:53,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:28:53,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:28:53,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:28:53,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:28:53,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:28:53,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:28:53,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:28:53,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:28:53,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:28:53,224 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:28:53,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:28:53,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:28:53,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:28:53,229 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:28:53,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:28:53,229 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:28:53,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:28:53,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:28:53,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:28:53,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:28:53,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:28:53,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:28:53,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:28:53,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:28:53,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:28:53,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:28:53,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:28:53,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:28:53,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:28:53,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:28:53,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:28:53,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:28:53,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:28:53,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:28:53,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:28:53,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:28:53,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:28:53,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:28:53,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72039621ff70e3561bf0623172de1f4cab9ab217 [2020-10-25 20:28:53,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:28:53,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:28:53,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:28:53,715 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:28:53,716 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:28:53,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2020-10-25 20:28:53,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5fdd856/18ea3d666b0b43e39032a96faa317c1a/FLAGd9450dde4 [2020-10-25 20:28:54,511 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:28:54,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2020-10-25 20:28:54,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5fdd856/18ea3d666b0b43e39032a96faa317c1a/FLAGd9450dde4 [2020-10-25 20:28:54,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5fdd856/18ea3d666b0b43e39032a96faa317c1a [2020-10-25 20:28:54,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:28:54,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:28:54,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:28:54,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:28:54,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:28:54,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:28:54" (1/1) ... [2020-10-25 20:28:54,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db8b721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:54, skipping insertion in model container [2020-10-25 20:28:54,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:28:54" (1/1) ... [2020-10-25 20:28:54,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:28:54,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:28:55,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:28:55,485 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:28:55,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:28:55,654 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:28:55,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55 WrapperNode [2020-10-25 20:28:55,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:28:55,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:28:55,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:28:55,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:28:55,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (1/1) ... [2020-10-25 20:28:55,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (1/1) ... [2020-10-25 20:28:55,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:28:55,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:28:55,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:28:55,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:28:55,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (1/1) ... [2020-10-25 20:28:55,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (1/1) ... [2020-10-25 20:28:55,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (1/1) ... [2020-10-25 20:28:55,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (1/1) ... [2020-10-25 20:28:55,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (1/1) ... [2020-10-25 20:28:56,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (1/1) ... [2020-10-25 20:28:56,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (1/1) ... [2020-10-25 20:28:56,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:28:56,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:28:56,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:28:56,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:28:56,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (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 [2020-10-25 20:28:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:28:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:28:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:28:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:28:58,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:28:58,499 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:28:58,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:28:58 BoogieIcfgContainer [2020-10-25 20:28:58,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:28:58,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:28:58,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:28:58,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:28:58,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:28:54" (1/3) ... [2020-10-25 20:28:58,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631c7d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:28:58, skipping insertion in model container [2020-10-25 20:28:58,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:55" (2/3) ... [2020-10-25 20:28:58,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631c7d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:28:58, skipping insertion in model container [2020-10-25 20:28:58,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:28:58" (3/3) ... [2020-10-25 20:28:58,513 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label16.c [2020-10-25 20:28:58,531 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:28:58,537 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:28:58,551 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:28:58,598 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:28:58,598 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:28:58,598 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:28:58,598 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:28:58,599 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:28:58,599 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:28:58,599 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:28:58,599 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:28:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-25 20:28:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-25 20:28:58,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:58,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:58,642 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:58,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:58,650 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2020-10-25 20:28:58,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:58,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257117570] [2020-10-25 20:28:58,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:59,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257117570] [2020-10-25 20:28:59,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:59,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:59,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587516455] [2020-10-25 20:28:59,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:59,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:59,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:59,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:59,081 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-25 20:29:01,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:01,058 INFO L93 Difference]: Finished difference Result 770 states and 1361 transitions. [2020-10-25 20:29:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:01,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-10-25 20:29:01,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:01,093 INFO L225 Difference]: With dead ends: 770 [2020-10-25 20:29:01,093 INFO L226 Difference]: Without dead ends: 422 [2020-10-25 20:29:01,103 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 [2020-10-25 20:29:01,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-10-25 20:29:01,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-10-25 20:29:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-25 20:29:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2020-10-25 20:29:01,182 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 43 [2020-10-25 20:29:01,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:01,183 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2020-10-25 20:29:01,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2020-10-25 20:29:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-25 20:29:01,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:01,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:01,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:29:01,191 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:01,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:01,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1566450687, now seen corresponding path program 1 times [2020-10-25 20:29:01,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:01,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499264029] [2020-10-25 20:29:01,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:01,380 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:01,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499264029] [2020-10-25 20:29:01,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:01,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:29:01,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238683477] [2020-10-25 20:29:01,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:01,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:01,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:01,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:01,386 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand 3 states. [2020-10-25 20:29:02,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:02,763 INFO L93 Difference]: Finished difference Result 1199 states and 1829 transitions. [2020-10-25 20:29:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:02,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-10-25 20:29:02,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:02,770 INFO L225 Difference]: With dead ends: 1199 [2020-10-25 20:29:02,770 INFO L226 Difference]: Without dead ends: 789 [2020-10-25 20:29:02,772 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 [2020-10-25 20:29:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-25 20:29:02,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2020-10-25 20:29:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-25 20:29:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-25 20:29:02,839 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 109 [2020-10-25 20:29:02,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:02,840 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-25 20:29:02,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-25 20:29:02,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-25 20:29:02,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:02,852 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:02,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:29:02,852 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:02,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:02,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1053154293, now seen corresponding path program 1 times [2020-10-25 20:29:02,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:02,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507094813] [2020-10-25 20:29:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:03,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507094813] [2020-10-25 20:29:03,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:03,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:29:03,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780838140] [2020-10-25 20:29:03,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:03,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:03,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:03,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:03,068 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-25 20:29:04,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:04,379 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-10-25 20:29:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:04,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-10-25 20:29:04,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:04,390 INFO L225 Difference]: With dead ends: 2314 [2020-10-25 20:29:04,390 INFO L226 Difference]: Without dead ends: 1527 [2020-10-25 20:29:04,392 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 [2020-10-25 20:29:04,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-25 20:29:04,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-10-25 20:29:04,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-25 20:29:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-10-25 20:29:04,430 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 113 [2020-10-25 20:29:04,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:04,430 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-10-25 20:29:04,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-10-25 20:29:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-25 20:29:04,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:04,435 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:04,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:29:04,435 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:04,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:04,436 INFO L82 PathProgramCache]: Analyzing trace with hash 300469357, now seen corresponding path program 1 times [2020-10-25 20:29:04,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:04,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533651566] [2020-10-25 20:29:04,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:29:04,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533651566] [2020-10-25 20:29:04,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:04,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:04,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232217619] [2020-10-25 20:29:04,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:04,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:04,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:04,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:04,716 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-10-25 20:29:06,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:06,044 INFO L93 Difference]: Finished difference Result 3614 states and 4469 transitions. [2020-10-25 20:29:06,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:06,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-10-25 20:29:06,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:06,058 INFO L225 Difference]: With dead ends: 3614 [2020-10-25 20:29:06,059 INFO L226 Difference]: Without dead ends: 2274 [2020-10-25 20:29:06,061 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 [2020-10-25 20:29:06,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-10-25 20:29:06,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 1897. [2020-10-25 20:29:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2020-10-25 20:29:06,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2305 transitions. [2020-10-25 20:29:06,106 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2305 transitions. Word has length 170 [2020-10-25 20:29:06,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:06,107 INFO L481 AbstractCegarLoop]: Abstraction has 1897 states and 2305 transitions. [2020-10-25 20:29:06,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:06,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2305 transitions. [2020-10-25 20:29:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-25 20:29:06,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:06,113 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:29:06,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:29:06,114 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:06,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:06,114 INFO L82 PathProgramCache]: Analyzing trace with hash -236803092, now seen corresponding path program 1 times [2020-10-25 20:29:06,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:06,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769672773] [2020-10-25 20:29:06,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-25 20:29:06,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769672773] [2020-10-25 20:29:06,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:06,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:06,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217200900] [2020-10-25 20:29:06,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:06,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:06,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:06,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:06,362 INFO L87 Difference]: Start difference. First operand 1897 states and 2305 transitions. Second operand 3 states. [2020-10-25 20:29:07,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:07,715 INFO L93 Difference]: Finished difference Result 4900 states and 6074 transitions. [2020-10-25 20:29:07,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:07,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-10-25 20:29:07,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:07,731 INFO L225 Difference]: With dead ends: 4900 [2020-10-25 20:29:07,731 INFO L226 Difference]: Without dead ends: 3005 [2020-10-25 20:29:07,734 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 [2020-10-25 20:29:07,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2020-10-25 20:29:07,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 3002. [2020-10-25 20:29:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3002 states. [2020-10-25 20:29:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 3002 states and 3716 transitions. [2020-10-25 20:29:07,798 INFO L78 Accepts]: Start accepts. Automaton has 3002 states and 3716 transitions. Word has length 225 [2020-10-25 20:29:07,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:07,799 INFO L481 AbstractCegarLoop]: Abstraction has 3002 states and 3716 transitions. [2020-10-25 20:29:07,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 3716 transitions. [2020-10-25 20:29:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-25 20:29:07,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:07,804 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:29:07,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:29:07,805 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:07,806 INFO L82 PathProgramCache]: Analyzing trace with hash -228589371, now seen corresponding path program 1 times [2020-10-25 20:29:07,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:07,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713034575] [2020-10-25 20:29:07,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-25 20:29:08,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713034575] [2020-10-25 20:29:08,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118918294] [2020-10-25 20:29:08,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:29:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:08,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 20:29:08,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:29:08,468 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:29:08,482 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:29:08,511 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:29:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-25 20:29:08,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 20:29:08,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-10-25 20:29:08,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789698670] [2020-10-25 20:29:08,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:29:08,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:08,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:29:08,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:29:08,834 INFO L87 Difference]: Start difference. First operand 3002 states and 3716 transitions. Second operand 4 states. [2020-10-25 20:29:11,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:11,117 INFO L93 Difference]: Finished difference Result 8410 states and 10790 transitions. [2020-10-25 20:29:11,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:29:11,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 235 [2020-10-25 20:29:11,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:11,145 INFO L225 Difference]: With dead ends: 8410 [2020-10-25 20:29:11,146 INFO L226 Difference]: Without dead ends: 5410 [2020-10-25 20:29:11,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:29:11,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5410 states. [2020-10-25 20:29:11,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5410 to 4114. [2020-10-25 20:29:11,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4114 states. [2020-10-25 20:29:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4114 states to 4114 states and 5108 transitions. [2020-10-25 20:29:11,260 INFO L78 Accepts]: Start accepts. Automaton has 4114 states and 5108 transitions. Word has length 235 [2020-10-25 20:29:11,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:11,260 INFO L481 AbstractCegarLoop]: Abstraction has 4114 states and 5108 transitions. [2020-10-25 20:29:11,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:29:11,261 INFO L276 IsEmpty]: Start isEmpty. Operand 4114 states and 5108 transitions. [2020-10-25 20:29:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-25 20:29:11,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:11,272 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:11,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-25 20:29:11,486 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:11,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:11,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1468344724, now seen corresponding path program 1 times [2020-10-25 20:29:11,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:11,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379200776] [2020-10-25 20:29:11,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-25 20:29:11,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379200776] [2020-10-25 20:29:11,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:11,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:11,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63111014] [2020-10-25 20:29:11,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:11,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:11,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:11,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:11,760 INFO L87 Difference]: Start difference. First operand 4114 states and 5108 transitions. Second operand 3 states. [2020-10-25 20:29:12,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:12,968 INFO L93 Difference]: Finished difference Result 9512 states and 11896 transitions. [2020-10-25 20:29:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:12,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2020-10-25 20:29:12,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:12,998 INFO L225 Difference]: With dead ends: 9512 [2020-10-25 20:29:12,999 INFO L226 Difference]: Without dead ends: 5400 [2020-10-25 20:29:13,005 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 [2020-10-25 20:29:13,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5400 states. [2020-10-25 20:29:13,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5400 to 5398. [2020-10-25 20:29:13,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5398 states. [2020-10-25 20:29:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5398 states to 5398 states and 6528 transitions. [2020-10-25 20:29:13,117 INFO L78 Accepts]: Start accepts. Automaton has 5398 states and 6528 transitions. Word has length 322 [2020-10-25 20:29:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:13,118 INFO L481 AbstractCegarLoop]: Abstraction has 5398 states and 6528 transitions. [2020-10-25 20:29:13,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 5398 states and 6528 transitions. [2020-10-25 20:29:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-10-25 20:29:13,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:13,131 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:13,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:29:13,132 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:13,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:13,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1401860465, now seen corresponding path program 1 times [2020-10-25 20:29:13,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:13,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956665998] [2020-10-25 20:29:13,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-25 20:29:13,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956665998] [2020-10-25 20:29:13,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:13,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:13,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143481971] [2020-10-25 20:29:13,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:13,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:13,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:13,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:13,498 INFO L87 Difference]: Start difference. First operand 5398 states and 6528 transitions. Second operand 3 states. [2020-10-25 20:29:14,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:14,950 INFO L93 Difference]: Finished difference Result 12265 states and 14964 transitions. [2020-10-25 20:29:14,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:14,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2020-10-25 20:29:14,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:14,985 INFO L225 Difference]: With dead ends: 12265 [2020-10-25 20:29:14,986 INFO L226 Difference]: Without dead ends: 6685 [2020-10-25 20:29:14,994 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 [2020-10-25 20:29:15,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6685 states. [2020-10-25 20:29:15,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6685 to 6317. [2020-10-25 20:29:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6317 states. [2020-10-25 20:29:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6317 states to 6317 states and 7545 transitions. [2020-10-25 20:29:15,115 INFO L78 Accepts]: Start accepts. Automaton has 6317 states and 7545 transitions. Word has length 366 [2020-10-25 20:29:15,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:15,116 INFO L481 AbstractCegarLoop]: Abstraction has 6317 states and 7545 transitions. [2020-10-25 20:29:15,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 6317 states and 7545 transitions. [2020-10-25 20:29:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-10-25 20:29:15,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:15,131 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:15,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:29:15,132 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:15,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:15,133 INFO L82 PathProgramCache]: Analyzing trace with hash -309745343, now seen corresponding path program 1 times [2020-10-25 20:29:15,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:15,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232381608] [2020-10-25 20:29:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-25 20:29:15,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232381608] [2020-10-25 20:29:15,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:15,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:15,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325828583] [2020-10-25 20:29:15,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:29:15,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:15,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:29:15,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:29:15,557 INFO L87 Difference]: Start difference. First operand 6317 states and 7545 transitions. Second operand 4 states. [2020-10-25 20:29:17,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:17,858 INFO L93 Difference]: Finished difference Result 17621 states and 20959 transitions. [2020-10-25 20:29:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:29:17,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 380 [2020-10-25 20:29:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:17,899 INFO L225 Difference]: With dead ends: 17621 [2020-10-25 20:29:17,899 INFO L226 Difference]: Without dead ends: 11306 [2020-10-25 20:29:17,906 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 [2020-10-25 20:29:17,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11306 states. [2020-10-25 20:29:18,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11306 to 10191. [2020-10-25 20:29:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10191 states. [2020-10-25 20:29:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10191 states to 10191 states and 12087 transitions. [2020-10-25 20:29:18,070 INFO L78 Accepts]: Start accepts. Automaton has 10191 states and 12087 transitions. Word has length 380 [2020-10-25 20:29:18,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:18,071 INFO L481 AbstractCegarLoop]: Abstraction has 10191 states and 12087 transitions. [2020-10-25 20:29:18,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:29:18,071 INFO L276 IsEmpty]: Start isEmpty. Operand 10191 states and 12087 transitions. [2020-10-25 20:29:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-10-25 20:29:18,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:18,092 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:18,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 20:29:18,092 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:18,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:18,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1867460973, now seen corresponding path program 1 times [2020-10-25 20:29:18,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:18,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304603851] [2020-10-25 20:29:18,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-25 20:29:18,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304603851] [2020-10-25 20:29:18,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:18,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:18,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654896845] [2020-10-25 20:29:18,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:29:18,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:18,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:29:18,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:29:18,581 INFO L87 Difference]: Start difference. First operand 10191 states and 12087 transitions. Second operand 4 states. [2020-10-25 20:29:20,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:20,734 INFO L93 Difference]: Finished difference Result 20387 states and 24225 transitions. [2020-10-25 20:29:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:29:20,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 400 [2020-10-25 20:29:20,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:20,755 INFO L225 Difference]: With dead ends: 20387 [2020-10-25 20:29:20,755 INFO L226 Difference]: Without dead ends: 11674 [2020-10-25 20:29:20,766 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 [2020-10-25 20:29:20,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11674 states. [2020-10-25 20:29:20,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11674 to 10559. [2020-10-25 20:29:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10559 states. [2020-10-25 20:29:20,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10559 states to 10559 states and 12485 transitions. [2020-10-25 20:29:20,930 INFO L78 Accepts]: Start accepts. Automaton has 10559 states and 12485 transitions. Word has length 400 [2020-10-25 20:29:20,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:20,931 INFO L481 AbstractCegarLoop]: Abstraction has 10559 states and 12485 transitions. [2020-10-25 20:29:20,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:29:20,931 INFO L276 IsEmpty]: Start isEmpty. Operand 10559 states and 12485 transitions. [2020-10-25 20:29:20,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2020-10-25 20:29:20,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:20,953 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:20,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 20:29:20,954 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:20,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:20,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1561303335, now seen corresponding path program 1 times [2020-10-25 20:29:20,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:20,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053373749] [2020-10-25 20:29:20,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-25 20:29:21,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053373749] [2020-10-25 20:29:21,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:21,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:21,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495326652] [2020-10-25 20:29:21,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:21,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:21,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:21,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:21,359 INFO L87 Difference]: Start difference. First operand 10559 states and 12485 transitions. Second operand 3 states. [2020-10-25 20:29:22,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:22,863 INFO L93 Difference]: Finished difference Result 23328 states and 27804 transitions. [2020-10-25 20:29:22,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:22,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 407 [2020-10-25 20:29:22,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:22,892 INFO L225 Difference]: With dead ends: 23328 [2020-10-25 20:29:22,893 INFO L226 Difference]: Without dead ends: 12955 [2020-10-25 20:29:22,906 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 [2020-10-25 20:29:22,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12955 states. [2020-10-25 20:29:23,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12955 to 12766. [2020-10-25 20:29:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12766 states. [2020-10-25 20:29:23,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12766 states to 12766 states and 14984 transitions. [2020-10-25 20:29:23,092 INFO L78 Accepts]: Start accepts. Automaton has 12766 states and 14984 transitions. Word has length 407 [2020-10-25 20:29:23,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:23,093 INFO L481 AbstractCegarLoop]: Abstraction has 12766 states and 14984 transitions. [2020-10-25 20:29:23,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 12766 states and 14984 transitions. [2020-10-25 20:29:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2020-10-25 20:29:23,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:23,122 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:23,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:29:23,123 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:23,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:23,124 INFO L82 PathProgramCache]: Analyzing trace with hash -402798134, now seen corresponding path program 1 times [2020-10-25 20:29:23,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:23,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390587179] [2020-10-25 20:29:23,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-10-25 20:29:23,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390587179] [2020-10-25 20:29:23,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:23,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:23,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694254213] [2020-10-25 20:29:23,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:23,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:23,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:23,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:23,629 INFO L87 Difference]: Start difference. First operand 12766 states and 14984 transitions. Second operand 3 states. [2020-10-25 20:29:25,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:25,039 INFO L93 Difference]: Finished difference Result 26649 states and 31318 transitions. [2020-10-25 20:29:25,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:25,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 467 [2020-10-25 20:29:25,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:25,070 INFO L225 Difference]: With dead ends: 26649 [2020-10-25 20:29:25,071 INFO L226 Difference]: Without dead ends: 15545 [2020-10-25 20:29:25,085 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 [2020-10-25 20:29:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15545 states. [2020-10-25 20:29:25,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15545 to 14790. [2020-10-25 20:29:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14790 states. [2020-10-25 20:29:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14790 states to 14790 states and 17177 transitions. [2020-10-25 20:29:25,284 INFO L78 Accepts]: Start accepts. Automaton has 14790 states and 17177 transitions. Word has length 467 [2020-10-25 20:29:25,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:25,284 INFO L481 AbstractCegarLoop]: Abstraction has 14790 states and 17177 transitions. [2020-10-25 20:29:25,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 14790 states and 17177 transitions. [2020-10-25 20:29:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-10-25 20:29:25,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:29:25,310 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:29:25,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 20:29:25,310 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:29:25,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:29:25,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1891329319, now seen corresponding path program 1 times [2020-10-25 20:29:25,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:29:25,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661557318] [2020-10-25 20:29:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:29:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:29:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-25 20:29:25,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661557318] [2020-10-25 20:29:25,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:29:25,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:29:25,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963233673] [2020-10-25 20:29:25,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:29:25,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:29:25,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:29:25,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:29:25,804 INFO L87 Difference]: Start difference. First operand 14790 states and 17177 transitions. Second operand 3 states. [2020-10-25 20:29:27,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:29:27,136 INFO L93 Difference]: Finished difference Result 27178 states and 31640 transitions. [2020-10-25 20:29:27,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:29:27,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 468 [2020-10-25 20:29:27,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:29:27,140 INFO L225 Difference]: With dead ends: 27178 [2020-10-25 20:29:27,141 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:29:27,152 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 [2020-10-25 20:29:27,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:29:27,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:29:27,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:29:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:29:27,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 468 [2020-10-25 20:29:27,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:29:27,154 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:29:27,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:29:27,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:29:27,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:29:27,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 20:29:27,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:29:27,489 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2020-10-25 20:29:27,675 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2020-10-25 20:29:27,680 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,680 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,681 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,681 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse0 (<= ~a29~0 275)) (.cse1 (= ~a4~0 1))) (or (and .cse0 .cse1) (and .cse0 (= ~a25~0 12)) (and .cse0 (= ~a25~0 10)) (and (<= ~a23~0 312) (not .cse1)) (and (<= ~a25~0 10) .cse1) (and .cse1 (<= 0 (+ ~a23~0 4))))) [2020-10-25 20:29:27,681 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,681 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:29:27,681 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:29:27,681 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,681 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,681 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,681 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,681 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,682 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,682 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-25 20:29:27,682 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-25 20:29:27,682 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-25 20:29:27,682 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-25 20:29:27,683 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-25 20:29:27,684 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (<= ~a29~0 275)) (.cse1 (= ~a4~0 1))) (or (and .cse0 .cse1) (and .cse0 (= ~a25~0 12)) (and .cse0 (= ~a25~0 10)) (and (<= ~a23~0 312) (not .cse1)) (and (<= ~a25~0 10) .cse1) (and .cse1 (<= 0 (+ ~a23~0 4))))) [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,685 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,686 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,687 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,688 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,689 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:29:27,690 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-25 20:29:27,691 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,692 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-25 20:29:27,693 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:29:27,694 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-25 20:29:27,695 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,696 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,697 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,698 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,699 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,700 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-25 20:29:27,701 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,702 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,703 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,704 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:29:27,705 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,705 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,705 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-25 20:29:27,705 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-25 20:29:27,705 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-25 20:29:27,705 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-25 20:29:27,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:29:27 BoogieIcfgContainer [2020-10-25 20:29:27,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:29:27,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:29:27,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:29:27,727 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:29:27,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:28:58" (3/4) ... [2020-10-25 20:29:27,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:29:27,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:29:27,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:29:27,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:29:27,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:29:27,968 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:29:27,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:29:27,969 INFO L168 Benchmark]: Toolchain (without parser) took 33203.45 ms. Allocated memory was 52.4 MB in the beginning and 631.2 MB in the end (delta: 578.8 MB). Free memory was 36.6 MB in the beginning and 424.2 MB in the end (delta: -387.6 MB). Peak memory consumption was 189.8 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:27,970 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:29:27,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.09 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 35.9 MB in the beginning and 36.2 MB in the end (delta: -266.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:27,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.38 ms. Allocated memory is still 62.9 MB. Free memory was 36.2 MB in the beginning and 28.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:27,971 INFO L168 Benchmark]: Boogie Preprocessor took 165.12 ms. Allocated memory is still 62.9 MB. Free memory was 28.8 MB in the beginning and 25.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:27,972 INFO L168 Benchmark]: RCFGBuilder took 2461.06 ms. Allocated memory was 62.9 MB in the beginning and 115.3 MB in the end (delta: 52.4 MB). Free memory was 25.6 MB in the beginning and 63.3 MB in the end (delta: -37.7 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:27,972 INFO L168 Benchmark]: TraceAbstraction took 29220.27 ms. Allocated memory was 115.3 MB in the beginning and 631.2 MB in the end (delta: 515.9 MB). Free memory was 63.3 MB in the beginning and 450.1 MB in the end (delta: -386.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:27,972 INFO L168 Benchmark]: Witness Printer took 241.68 ms. Allocated memory is still 631.2 MB. Free memory was 450.1 MB in the beginning and 424.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:29:27,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 874.09 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 35.9 MB in the beginning and 36.2 MB in the end (delta: -266.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 220.38 ms. Allocated memory is still 62.9 MB. Free memory was 36.2 MB in the beginning and 28.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 165.12 ms. Allocated memory is still 62.9 MB. Free memory was 28.8 MB in the beginning and 25.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2461.06 ms. Allocated memory was 62.9 MB in the beginning and 115.3 MB in the end (delta: 52.4 MB). Free memory was 25.6 MB in the beginning and 63.3 MB in the end (delta: -37.7 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29220.27 ms. Allocated memory was 115.3 MB in the beginning and 631.2 MB in the end (delta: 515.9 MB). Free memory was 63.3 MB in the beginning and 450.1 MB in the end (delta: -386.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 16.1 GB. * Witness Printer took 241.68 ms. Allocated memory is still 631.2 MB. Free memory was 450.1 MB in the beginning and 424.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 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: (((((a29 <= 275 && a4 == 1) || (a29 <= 275 && a25 == 12)) || (a29 <= 275 && a25 == 10)) || (a23 <= 312 && !(a4 == 1))) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && 0 <= a23 + 4) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((a29 <= 275 && a4 == 1) || (a29 <= 275 && a25 == 12)) || (a29 <= 275 && a25 == 10)) || (a23 <= 312 && !(a4 == 1))) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && 0 <= a23 + 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.5s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 21.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2327 SDtfs, 2298 SDslu, 368 SDs, 0 SdLazy, 8805 SolverSat, 1536 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14790occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 5231 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 167 NumberOfFragments, 93 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3868 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1086 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3940 NumberOfCodeBlocks, 3940 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3926 ConstructedInterpolants, 0 QuantifiedInterpolants, 2868789 SizeOfPredicates, 1 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 3924/4086 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...