./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label37.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_label37.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 d71b7d7ff9b54bb6b0655601045aca566c11e8eb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:30:29,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:30:29,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:30:29,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:30:29,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:30:29,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:30:29,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:30:29,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:30:29,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:30:29,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:30:29,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:30:29,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:30:29,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:30:29,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:30:29,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:30:29,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:30:29,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:30:29,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:30:29,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:30:29,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:30:29,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:30:29,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:30:29,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:30:29,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:30:29,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:30:29,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:30:29,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:30:29,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:30:29,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:30:29,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:30:29,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:30:29,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:30:29,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:30:29,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:30:29,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:30:29,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:30:29,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:30:29,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:30:29,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:30:29,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:30:29,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:30:29,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:30:29,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:30:29,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:30:29,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:30:29,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:30:29,400 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:30:29,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:30:29,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:30:29,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:30:29,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:30:29,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:30:29,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:30:29,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:30:29,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:30:29,404 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:30:29,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:30:29,404 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:30:29,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:30:29,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:30:29,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:30:29,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:30:29,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:30:29,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:30:29,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:30:29,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:30:29,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:30:29,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:30:29,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:30:29,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:30:29,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:30:29,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d71b7d7ff9b54bb6b0655601045aca566c11e8eb [2020-10-25 20:30:29,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:30:29,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:30:29,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:30:29,882 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:30:29,884 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:30:29,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label37.c [2020-10-25 20:30:29,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c009b58/ff81c7f9ab2b403bb0418c8337dec42e/FLAG47b87948c [2020-10-25 20:30:30,927 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:30:30,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label37.c [2020-10-25 20:30:30,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c009b58/ff81c7f9ab2b403bb0418c8337dec42e/FLAG47b87948c [2020-10-25 20:30:30,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c009b58/ff81c7f9ab2b403bb0418c8337dec42e [2020-10-25 20:30:30,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:30:30,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:30:30,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:30:30,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:30:30,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:30:30,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:30:30" (1/1) ... [2020-10-25 20:30:31,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0aa71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:30, skipping insertion in model container [2020-10-25 20:30:31,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:30:30" (1/1) ... [2020-10-25 20:30:31,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:30:31,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:30:31,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:30:31,761 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:30:31,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:30:31,973 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:30:31,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31 WrapperNode [2020-10-25 20:30:31,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:30:31,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:30:31,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:30:31,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:30:31,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (1/1) ... [2020-10-25 20:30:32,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (1/1) ... [2020-10-25 20:30:32,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:30:32,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:30:32,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:30:32,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:30:32,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (1/1) ... [2020-10-25 20:30:32,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (1/1) ... [2020-10-25 20:30:32,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (1/1) ... [2020-10-25 20:30:32,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (1/1) ... [2020-10-25 20:30:32,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (1/1) ... [2020-10-25 20:30:32,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (1/1) ... [2020-10-25 20:30:32,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (1/1) ... [2020-10-25 20:30:32,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:30:32,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:30:32,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:30:32,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:30:32,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (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 20:30:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:30:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:30:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:30:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:30:35,099 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:30:35,100 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:30:35,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:30:35 BoogieIcfgContainer [2020-10-25 20:30:35,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:30:35,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:30:35,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:30:35,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:30:35,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:30:30" (1/3) ... [2020-10-25 20:30:35,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53334e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:30:35, skipping insertion in model container [2020-10-25 20:30:35,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:30:31" (2/3) ... [2020-10-25 20:30:35,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53334e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:30:35, skipping insertion in model container [2020-10-25 20:30:35,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:30:35" (3/3) ... [2020-10-25 20:30:35,115 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label37.c [2020-10-25 20:30:35,129 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:30:35,136 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:30:35,150 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:30:35,183 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:30:35,183 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:30:35,183 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:30:35,184 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:30:35,184 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:30:35,184 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:30:35,184 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:30:35,185 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:30:35,209 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-25 20:30:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-25 20:30:35,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:35,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:35,220 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:35,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:35,227 INFO L82 PathProgramCache]: Analyzing trace with hash 301649817, now seen corresponding path program 1 times [2020-10-25 20:30:35,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:35,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56690972] [2020-10-25 20:30:35,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:35,653 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 20:30:35,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56690972] [2020-10-25 20:30:35,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:35,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:30:35,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687848046] [2020-10-25 20:30:35,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:35,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:35,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:35,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:35,682 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-25 20:30:37,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:37,672 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-10-25 20:30:37,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:37,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-25 20:30:37,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:37,692 INFO L225 Difference]: With dead ends: 762 [2020-10-25 20:30:37,692 INFO L226 Difference]: Without dead ends: 413 [2020-10-25 20:30:37,698 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 20:30:37,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-25 20:30:37,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-10-25 20:30:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-25 20:30:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-10-25 20:30:37,783 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 49 [2020-10-25 20:30:37,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:37,784 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-10-25 20:30:37,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-10-25 20:30:37,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-25 20:30:37,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:37,790 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 20:30:37,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:30:37,790 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:37,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:37,792 INFO L82 PathProgramCache]: Analyzing trace with hash 324991390, now seen corresponding path program 1 times [2020-10-25 20:30:37,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:37,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350474284] [2020-10-25 20:30:37,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:30:37,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350474284] [2020-10-25 20:30:37,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:37,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:30:37,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552836181] [2020-10-25 20:30:37,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:37,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:37,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:37,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:37,984 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-10-25 20:30:39,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:39,390 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-10-25 20:30:39,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:39,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-25 20:30:39,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:39,398 INFO L225 Difference]: With dead ends: 1211 [2020-10-25 20:30:39,398 INFO L226 Difference]: Without dead ends: 800 [2020-10-25 20:30:39,401 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 20:30:39,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-25 20:30:39,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-10-25 20:30:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-25 20:30:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-25 20:30:39,459 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 117 [2020-10-25 20:30:39,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:39,460 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-25 20:30:39,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-25 20:30:39,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-25 20:30:39,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:39,466 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 20:30:39,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:30:39,467 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:39,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:39,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1066496029, now seen corresponding path program 1 times [2020-10-25 20:30:39,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:39,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770847116] [2020-10-25 20:30:39,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:30:39,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770847116] [2020-10-25 20:30:39,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:39,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:30:39,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889394743] [2020-10-25 20:30:39,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:39,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:39,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:39,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:39,698 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-25 20:30:41,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:41,150 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-10-25 20:30:41,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:41,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-10-25 20:30:41,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:41,161 INFO L225 Difference]: With dead ends: 2314 [2020-10-25 20:30:41,162 INFO L226 Difference]: Without dead ends: 1527 [2020-10-25 20:30:41,164 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 20:30:41,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-25 20:30:41,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-10-25 20:30:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-25 20:30:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-10-25 20:30:41,208 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 119 [2020-10-25 20:30:41,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:41,209 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-10-25 20:30:41,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-10-25 20:30:41,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-25 20:30:41,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:41,218 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:30:41,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:30:41,218 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:41,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:41,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1315509509, now seen corresponding path program 1 times [2020-10-25 20:30:41,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:41,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233663608] [2020-10-25 20:30:41,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:30:41,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233663608] [2020-10-25 20:30:41,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:41,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:41,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408171043] [2020-10-25 20:30:41,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:41,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:41,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:41,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:41,461 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-10-25 20:30:42,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:42,822 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-10-25 20:30:42,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:42,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-10-25 20:30:42,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:42,836 INFO L225 Difference]: With dead ends: 3257 [2020-10-25 20:30:42,837 INFO L226 Difference]: Without dead ends: 1917 [2020-10-25 20:30:42,839 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 20:30:42,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-10-25 20:30:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-10-25 20:30:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-10-25 20:30:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-10-25 20:30:42,891 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 176 [2020-10-25 20:30:42,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:42,894 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-10-25 20:30:42,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-10-25 20:30:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-25 20:30:42,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:42,902 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 20:30:42,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:30:42,902 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:42,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:42,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1502974436, now seen corresponding path program 1 times [2020-10-25 20:30:42,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:42,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853575195] [2020-10-25 20:30:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:43,235 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-25 20:30:43,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853575195] [2020-10-25 20:30:43,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:43,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:43,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183582255] [2020-10-25 20:30:43,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:43,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:43,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:43,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:43,239 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-10-25 20:30:44,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:44,756 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-10-25 20:30:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:44,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-10-25 20:30:44,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:44,770 INFO L225 Difference]: With dead ends: 4389 [2020-10-25 20:30:44,770 INFO L226 Difference]: Without dead ends: 2661 [2020-10-25 20:30:44,774 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 20:30:44,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-10-25 20:30:44,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-10-25 20:30:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-10-25 20:30:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-10-25 20:30:44,831 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 231 [2020-10-25 20:30:44,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:44,831 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-10-25 20:30:44,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-10-25 20:30:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-25 20:30:44,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:44,837 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:44,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:30:44,838 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:44,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:44,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1410672627, now seen corresponding path program 1 times [2020-10-25 20:30:44,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:44,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514844535] [2020-10-25 20:30:44,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:30:45,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514844535] [2020-10-25 20:30:45,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29803053] [2020-10-25 20:30:45,474 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 20:30:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:45,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:30:45,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:30:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:30:45,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:30:45,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-25 20:30:45,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450488646] [2020-10-25 20:30:45,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:45,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:45,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:45,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:30:45,864 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-10-25 20:30:47,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:47,537 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-10-25 20:30:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:47,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-10-25 20:30:47,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:47,564 INFO L225 Difference]: With dead ends: 5862 [2020-10-25 20:30:47,564 INFO L226 Difference]: Without dead ends: 3397 [2020-10-25 20:30:47,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:30:47,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-10-25 20:30:47,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-10-25 20:30:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-10-25 20:30:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-10-25 20:30:47,663 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 237 [2020-10-25 20:30:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:47,664 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-10-25 20:30:47,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-10-25 20:30:47,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-25 20:30:47,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:47,674 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:47,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-25 20:30:47,893 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:47,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:47,894 INFO L82 PathProgramCache]: Analyzing trace with hash -704511693, now seen corresponding path program 1 times [2020-10-25 20:30:47,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:47,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131758988] [2020-10-25 20:30:47,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-25 20:30:48,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131758988] [2020-10-25 20:30:48,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:48,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:48,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024247241] [2020-10-25 20:30:48,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:48,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:48,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:48,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:48,193 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-10-25 20:30:49,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:49,821 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-10-25 20:30:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:49,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2020-10-25 20:30:49,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:49,838 INFO L225 Difference]: With dead ends: 6788 [2020-10-25 20:30:49,839 INFO L226 Difference]: Without dead ends: 3402 [2020-10-25 20:30:49,845 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 20:30:49,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-10-25 20:30:49,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-10-25 20:30:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-10-25 20:30:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-10-25 20:30:49,921 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 308 [2020-10-25 20:30:49,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:49,921 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-10-25 20:30:49,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-10-25 20:30:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-25 20:30:49,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:49,931 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:49,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:30:49,932 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:49,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:49,932 INFO L82 PathProgramCache]: Analyzing trace with hash 428658931, now seen corresponding path program 1 times [2020-10-25 20:30:49,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:49,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623867767] [2020-10-25 20:30:49,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-25 20:30:50,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623867767] [2020-10-25 20:30:50,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:50,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:50,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498495378] [2020-10-25 20:30:50,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:50,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:50,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:50,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:50,199 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-10-25 20:30:51,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:51,419 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-10-25 20:30:51,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:51,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2020-10-25 20:30:51,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:51,436 INFO L225 Difference]: With dead ends: 6015 [2020-10-25 20:30:51,437 INFO L226 Difference]: Without dead ends: 2997 [2020-10-25 20:30:51,443 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 20:30:51,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-10-25 20:30:51,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-10-25 20:30:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-25 20:30:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-10-25 20:30:51,552 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 309 [2020-10-25 20:30:51,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:51,553 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-10-25 20:30:51,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-10-25 20:30:51,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-25 20:30:51,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:51,563 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:51,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:30:51,564 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:51,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:51,564 INFO L82 PathProgramCache]: Analyzing trace with hash 352600792, now seen corresponding path program 1 times [2020-10-25 20:30:51,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:51,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73490431] [2020-10-25 20:30:51,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-25 20:30:51,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73490431] [2020-10-25 20:30:51,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:51,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:51,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252890279] [2020-10-25 20:30:51,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:30:51,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:51,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:30:51,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:30:51,819 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-10-25 20:30:53,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:53,004 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-10-25 20:30:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:30:53,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-10-25 20:30:53,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:53,028 INFO L225 Difference]: With dead ends: 6907 [2020-10-25 20:30:53,028 INFO L226 Difference]: Without dead ends: 3914 [2020-10-25 20:30:53,033 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 20:30:53,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-10-25 20:30:53,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-10-25 20:30:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-10-25 20:30:53,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-10-25 20:30:53,096 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 314 [2020-10-25 20:30:53,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:53,097 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-10-25 20:30:53,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:30:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-10-25 20:30:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-10-25 20:30:53,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:53,111 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:30:53,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 20:30:53,111 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:53,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:53,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1007598479, now seen corresponding path program 1 times [2020-10-25 20:30:53,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:53,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504916100] [2020-10-25 20:30:53,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:30:53,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504916100] [2020-10-25 20:30:53,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:53,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 20:30:53,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371911439] [2020-10-25 20:30:53,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:30:53,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:53,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:30:53,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:53,516 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-10-25 20:30:55,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:55,912 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-10-25 20:30:55,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:30:55,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 354 [2020-10-25 20:30:55,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:55,934 INFO L225 Difference]: With dead ends: 6353 [2020-10-25 20:30:55,934 INFO L226 Difference]: Without dead ends: 4286 [2020-10-25 20:30:55,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:55,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-10-25 20:30:56,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-10-25 20:30:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-25 20:30:56,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-25 20:30:56,023 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 354 [2020-10-25 20:30:56,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:56,024 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-25 20:30:56,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:30:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-25 20:30:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2020-10-25 20:30:56,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:56,040 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:56,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 20:30:56,040 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:56,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:56,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1414927429, now seen corresponding path program 1 times [2020-10-25 20:30:56,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:56,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349573042] [2020-10-25 20:30:56,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-25 20:30:56,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349573042] [2020-10-25 20:30:56,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:56,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 20:30:56,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618417111] [2020-10-25 20:30:56,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:30:56,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:56,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:30:56,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:56,575 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-25 20:30:58,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:30:58,827 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-10-25 20:30:58,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:30:58,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 428 [2020-10-25 20:30:58,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:30:58,851 INFO L225 Difference]: With dead ends: 8752 [2020-10-25 20:30:58,851 INFO L226 Difference]: Without dead ends: 5022 [2020-10-25 20:30:58,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:58,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-10-25 20:30:58,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-10-25 20:30:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-25 20:30:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-25 20:30:58,938 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 428 [2020-10-25 20:30:58,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:30:58,939 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-25 20:30:58,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:30:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-25 20:30:58,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2020-10-25 20:30:58,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:30:58,971 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:30:58,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:30:58,972 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:30:58,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:30:58,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1953997865, now seen corresponding path program 1 times [2020-10-25 20:30:58,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:30:58,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655117561] [2020-10-25 20:30:58,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:30:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:30:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 866 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2020-10-25 20:30:59,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655117561] [2020-10-25 20:30:59,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:30:59,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:30:59,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799188745] [2020-10-25 20:30:59,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:30:59,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:30:59,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:30:59,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:30:59,860 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-25 20:31:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:02,258 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-10-25 20:31:02,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:31:02,258 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 679 [2020-10-25 20:31:02,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:02,277 INFO L225 Difference]: With dead ends: 11899 [2020-10-25 20:31:02,277 INFO L226 Difference]: Without dead ends: 8169 [2020-10-25 20:31:02,285 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 20:31:02,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-10-25 20:31:02,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-10-25 20:31:02,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-10-25 20:31:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-10-25 20:31:02,476 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 679 [2020-10-25 20:31:02,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:02,477 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-10-25 20:31:02,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:31:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-10-25 20:31:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2020-10-25 20:31:02,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:02,499 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:31:02,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 20:31:02,500 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:02,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:02,500 INFO L82 PathProgramCache]: Analyzing trace with hash -922704175, now seen corresponding path program 1 times [2020-10-25 20:31:02,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:02,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802851236] [2020-10-25 20:31:02,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 994 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2020-10-25 20:31:03,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802851236] [2020-10-25 20:31:03,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:03,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:31:03,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100269522] [2020-10-25 20:31:03,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:03,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:03,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:03,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:31:03,065 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-10-25 20:31:04,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:04,549 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-10-25 20:31:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:04,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 747 [2020-10-25 20:31:04,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:04,569 INFO L225 Difference]: With dead ends: 17436 [2020-10-25 20:31:04,570 INFO L226 Difference]: Without dead ends: 8717 [2020-10-25 20:31:04,579 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 20:31:04,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-10-25 20:31:04,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-10-25 20:31:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-10-25 20:31:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-10-25 20:31:04,740 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 747 [2020-10-25 20:31:04,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:04,741 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-10-25 20:31:04,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-10-25 20:31:04,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2020-10-25 20:31:04,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:31:04,772 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:31:04,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 20:31:04,773 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:31:04,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:31:04,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1267545804, now seen corresponding path program 1 times [2020-10-25 20:31:04,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:31:04,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937925148] [2020-10-25 20:31:04,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:31:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:31:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2063 backedges. 1489 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-10-25 20:31:05,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937925148] [2020-10-25 20:31:05,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:31:05,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:31:05,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998889022] [2020-10-25 20:31:05,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:31:05,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:31:05,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:31:05,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:31:05,701 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-10-25 20:31:07,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:31:07,152 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-10-25 20:31:07,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:31:07,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 847 [2020-10-25 20:31:07,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:31:07,154 INFO L225 Difference]: With dead ends: 18165 [2020-10-25 20:31:07,154 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:31:07,169 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 20:31:07,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:31:07,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:31:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:31:07,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:31:07,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 847 [2020-10-25 20:31:07,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:31:07,171 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:31:07,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:31:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:31:07,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:31:07,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 20:31:07,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:31:07,330 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-25 20:31:07,469 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-25 20:31:08,182 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-10-25 20:31:08,921 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-10-25 20:31:08,927 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,928 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,928 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,928 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-10-25 20:31:08,929 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,929 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:31:08,929 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:31:08,929 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,929 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,930 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,930 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,930 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,930 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,930 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-25 20:31:08,931 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-25 20:31:08,931 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-25 20:31:08,931 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-25 20:31:08,931 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,931 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,932 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,932 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,932 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,932 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,932 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,933 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-25 20:31:08,933 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-25 20:31:08,933 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-25 20:31:08,933 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,933 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,933 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,934 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,934 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,934 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,934 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,934 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,934 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,934 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-25 20:31:08,935 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-25 20:31:08,935 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-25 20:31:08,935 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,935 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-10-25 20:31:08,936 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,936 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,936 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,936 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,936 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,937 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,937 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,937 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,937 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-25 20:31:08,937 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-25 20:31:08,938 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-25 20:31:08,938 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:31:08,938 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:31:08,938 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:31:08,938 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:31:08,939 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,939 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,939 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,939 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,939 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,939 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,940 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,940 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,940 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,940 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,940 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-25 20:31:08,941 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-25 20:31:08,941 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-25 20:31:08,941 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-25 20:31:08,941 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,941 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,942 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,942 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,942 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,942 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-25 20:31:08,942 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-25 20:31:08,943 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-25 20:31:08,943 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,943 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,943 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,943 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,943 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:31:08,944 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:31:08,944 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,944 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,944 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,944 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,945 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,945 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,945 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:31:08,945 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:31:08,945 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,946 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,946 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-25 20:31:08,946 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-25 20:31:08,946 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-25 20:31:08,946 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:31:08,947 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,947 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,947 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,947 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,947 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,947 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,948 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,948 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-25 20:31:08,948 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-25 20:31:08,948 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-25 20:31:08,948 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:31:08,949 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:31:08,949 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:31:08,949 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:31:08,949 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,949 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,950 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:31:08,950 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:31:08,950 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,950 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,950 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,951 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,951 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,951 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-25 20:31:08,951 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-25 20:31:08,951 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-25 20:31:08,951 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,952 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,952 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,952 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,952 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,952 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,953 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-25 20:31:08,953 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-25 20:31:08,953 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-25 20:31:08,953 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:31:08,953 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,954 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:31:08,954 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,954 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,954 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,954 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,955 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,955 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,955 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,955 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-25 20:31:08,955 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-25 20:31:08,956 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-25 20:31:08,956 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,956 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,956 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,956 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,956 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,957 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,957 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,957 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:31:08,957 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,957 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,957 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,958 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,958 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:31:08,958 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:31:08,958 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-25 20:31:08,958 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-25 20:31:08,959 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-25 20:31:08,959 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,959 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,959 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,959 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,960 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,960 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,960 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,960 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-25 20:31:08,960 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-25 20:31:08,960 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-25 20:31:08,961 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,961 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,961 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,961 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:31:08,961 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:31:08,962 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,962 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,962 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,962 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,962 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,962 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-25 20:31:08,963 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-25 20:31:08,963 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,963 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,963 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:31:08,963 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:31:08,964 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,964 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,964 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,964 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,964 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,965 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,965 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-25 20:31:08,965 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-25 20:31:08,965 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:31:08,965 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:31:08,965 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,966 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,966 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,966 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,966 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,966 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,966 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,967 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,967 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-25 20:31:08,967 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-25 20:31:08,967 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:31:08,967 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:31:08,967 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:31:08,968 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:31:08,968 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,968 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,968 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,968 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,969 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,969 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,969 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,969 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:31:08,969 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-25 20:31:08,970 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-25 20:31:08,970 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,970 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,970 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,970 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,970 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,971 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,971 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-25 20:31:08,971 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-25 20:31:08,971 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,971 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,972 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,972 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,972 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,972 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,972 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,972 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-25 20:31:08,973 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,973 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,973 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,973 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-25 20:31:08,973 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-25 20:31:08,974 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-25 20:31:08,974 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,974 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:31:08,974 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,974 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:31:08,975 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,975 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,975 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:31:08,975 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,975 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,976 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,976 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,976 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-25 20:31:08,976 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-25 20:31:08,976 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-25 20:31:08,977 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,977 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,977 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,977 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,977 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,977 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,978 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,978 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,978 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,978 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,978 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-25 20:31:08,979 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-25 20:31:08,979 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-25 20:31:08,979 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,979 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:31:08,979 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:31:08,980 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,980 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,980 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:31:08,980 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,980 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,981 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-25 20:31:08,981 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-25 20:31:08,981 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-25 20:31:08,981 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-25 20:31:09,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:31:09 BoogieIcfgContainer [2020-10-25 20:31:09,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:31:09,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:31:09,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:31:09,012 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:31:09,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:30:35" (3/4) ... [2020-10-25 20:31:09,023 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:31:09,081 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:31:09,084 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:31:09,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:31:09,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:31:09,351 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:31:09,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:31:09,353 INFO L168 Benchmark]: Toolchain (without parser) took 38374.25 ms. Allocated memory was 52.4 MB in the beginning and 882.9 MB in the end (delta: 830.5 MB). Free memory was 25.7 MB in the beginning and 756.7 MB in the end (delta: -730.9 MB). Peak memory consumption was 101.5 MB. Max. memory is 16.1 GB. [2020-10-25 20:31:09,353 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 39.8 MB. Free memory was 23.2 MB in the beginning and 23.2 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:31:09,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 989.88 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 25.0 MB in the beginning and 43.2 MB in the end (delta: -18.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2020-10-25 20:31:09,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.15 ms. Allocated memory is still 67.1 MB. Free memory was 43.2 MB in the beginning and 35.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:31:09,355 INFO L168 Benchmark]: Boogie Preprocessor took 188.35 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 25.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 20:31:09,355 INFO L168 Benchmark]: RCFGBuilder took 2738.20 ms. Allocated memory was 67.1 MB in the beginning and 134.2 MB in the end (delta: 67.1 MB). Free memory was 25.0 MB in the beginning and 89.7 MB in the end (delta: -64.7 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:31:09,356 INFO L168 Benchmark]: TraceAbstraction took 33905.07 ms. Allocated memory was 134.2 MB in the beginning and 882.9 MB in the end (delta: 748.7 MB). Free memory was 89.7 MB in the beginning and 782.9 MB in the end (delta: -693.2 MB). Peak memory consumption was 405.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:31:09,356 INFO L168 Benchmark]: Witness Printer took 340.54 ms. Allocated memory is still 882.9 MB. Free memory was 782.9 MB in the beginning and 756.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:31:09,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 39.8 MB. Free memory was 23.2 MB in the beginning and 23.2 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 989.88 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 25.0 MB in the beginning and 43.2 MB in the end (delta: -18.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 198.15 ms. Allocated memory is still 67.1 MB. Free memory was 43.2 MB in the beginning and 35.4 MB in the end (delta: 7.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 188.35 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 25.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2738.20 ms. Allocated memory was 67.1 MB in the beginning and 134.2 MB in the end (delta: 67.1 MB). Free memory was 25.0 MB in the beginning and 89.7 MB in the end (delta: -64.7 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33905.07 ms. Allocated memory was 134.2 MB in the beginning and 882.9 MB in the end (delta: 748.7 MB). Free memory was 89.7 MB in the beginning and 782.9 MB in the end (delta: -693.2 MB). Peak memory consumption was 405.6 MB. Max. memory is 16.1 GB. * Witness Printer took 340.54 ms. Allocated memory is still 882.9 MB. Free memory was 782.9 MB in the beginning and 756.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 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: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.9s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2803 SDtfs, 2367 SDslu, 373 SDs, 0 SdLazy, 9184 SolverSat, 1707 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 4661 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 271 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4492 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3330 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 5152 NumberOfCodeBlocks, 5152 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5137 ConstructedInterpolants, 0 QuantifiedInterpolants, 4842215 SizeOfPredicates, 1 NumberOfNonLiveVariables, 362 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 7429/7431 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...