./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label05.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/Problem10_label05.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 b9853e9c5900efca0184b423c16adbc0a4201552 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:26:14,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:26:14,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:26:14,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:26:14,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:26:14,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:26:14,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:26:14,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:26:14,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:26:14,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:26:14,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:26:14,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:26:14,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:26:14,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:26:14,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:26:14,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:26:14,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:26:14,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:26:14,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:26:14,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:26:14,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:26:14,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:26:14,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:26:14,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:26:14,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:26:14,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:26:14,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:26:14,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:26:14,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:26:14,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:26:14,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:26:14,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:26:14,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:26:14,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:26:14,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:26:14,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:26:14,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:26:14,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:26:14,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:26:14,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:26:14,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:26:14,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:26:14,473 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:26:14,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:26:14,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:26:14,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:26:14,479 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:26:14,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:26:14,479 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:26:14,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:26:14,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:26:14,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:26:14,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:26:14,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:26:14,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:26:14,483 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:26:14,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:26:14,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:26:14,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:26:14,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:26:14,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:26:14,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:26:14,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:26:14,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:26:14,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:26:14,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:26:14,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:26:14,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:26:14,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:26:14,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:26:14,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:26:14,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9853e9c5900efca0184b423c16adbc0a4201552 [2020-10-25 20:26:14,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:26:15,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:26:15,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:26:15,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:26:15,007 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:26:15,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2020-10-25 20:26:15,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/522085e1e/6b78b7e2c6594846a3ba1da0177d9973/FLAG00dfdc371 [2020-10-25 20:26:15,863 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:26:15,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2020-10-25 20:26:15,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/522085e1e/6b78b7e2c6594846a3ba1da0177d9973/FLAG00dfdc371 [2020-10-25 20:26:16,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/522085e1e/6b78b7e2c6594846a3ba1da0177d9973 [2020-10-25 20:26:16,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:26:16,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:26:16,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:26:16,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:26:16,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:26:16,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:16,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111aaff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16, skipping insertion in model container [2020-10-25 20:26:16,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:16,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:26:16,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:26:16,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:26:16,654 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:26:16,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:26:16,861 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:26:16,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16 WrapperNode [2020-10-25 20:26:16,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:26:16,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:26:16,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:26:16,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:26:16,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:16,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:17,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:26:17,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:26:17,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:26:17,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:26:17,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:17,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:17,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:17,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:17,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:17,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:17,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (1/1) ... [2020-10-25 20:26:17,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:26:17,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:26:17,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:26:17,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:26:17,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (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 20:26:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:26:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:26:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:26:17,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:26:19,044 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:26:19,045 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:26:19,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:26:19 BoogieIcfgContainer [2020-10-25 20:26:19,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:26:19,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:26:19,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:26:19,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:26:19,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:26:16" (1/3) ... [2020-10-25 20:26:19,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b77207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:26:19, skipping insertion in model container [2020-10-25 20:26:19,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:16" (2/3) ... [2020-10-25 20:26:19,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b77207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:26:19, skipping insertion in model container [2020-10-25 20:26:19,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:26:19" (3/3) ... [2020-10-25 20:26:19,058 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label05.c [2020-10-25 20:26:19,071 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:26:19,077 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:26:19,093 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:26:19,130 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:26:19,130 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:26:19,130 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:26:19,130 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:26:19,131 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:26:19,131 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:26:19,131 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:26:19,131 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:26:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-25 20:26:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-25 20:26:19,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:19,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:19,165 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:19,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:19,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2020-10-25 20:26:19,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:19,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752048662] [2020-10-25 20:26:19,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:19,637 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 20:26:19,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752048662] [2020-10-25 20:26:19,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:19,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:26:19,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524808815] [2020-10-25 20:26:19,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:26:19,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:19,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:26:19,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:26:19,678 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-25 20:26:21,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:21,747 INFO L93 Difference]: Finished difference Result 697 states and 1249 transitions. [2020-10-25 20:26:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:26:21,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-25 20:26:21,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:21,769 INFO L225 Difference]: With dead ends: 697 [2020-10-25 20:26:21,769 INFO L226 Difference]: Without dead ends: 421 [2020-10-25 20:26:21,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:26:21,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-25 20:26:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-10-25 20:26:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-25 20:26:21,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2020-10-25 20:26:21,855 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 52 [2020-10-25 20:26:21,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:21,855 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2020-10-25 20:26:21,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:26:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2020-10-25 20:26:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-25 20:26:21,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:21,868 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:26:21,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:26:21,868 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:21,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:21,869 INFO L82 PathProgramCache]: Analyzing trace with hash 657930190, now seen corresponding path program 1 times [2020-10-25 20:26:21,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:21,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586525524] [2020-10-25 20:26:21,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-25 20:26:22,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586525524] [2020-10-25 20:26:22,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:22,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:26:22,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52800739] [2020-10-25 20:26:22,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:22,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:22,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:22,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:22,304 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 3 states. [2020-10-25 20:26:23,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:23,271 INFO L93 Difference]: Finished difference Result 979 states and 1440 transitions. [2020-10-25 20:26:23,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:23,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-10-25 20:26:23,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:23,283 INFO L225 Difference]: With dead ends: 979 [2020-10-25 20:26:23,283 INFO L226 Difference]: Without dead ends: 699 [2020-10-25 20:26:23,290 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 20:26:23,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-10-25 20:26:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2020-10-25 20:26:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-25 20:26:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 735 transitions. [2020-10-25 20:26:23,343 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 735 transitions. Word has length 233 [2020-10-25 20:26:23,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:23,345 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 735 transitions. [2020-10-25 20:26:23,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 735 transitions. [2020-10-25 20:26:23,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-25 20:26:23,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:23,361 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:26:23,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:26:23,361 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:23,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:23,362 INFO L82 PathProgramCache]: Analyzing trace with hash -429183745, now seen corresponding path program 1 times [2020-10-25 20:26:23,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:23,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313854822] [2020-10-25 20:26:23,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-25 20:26:23,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313854822] [2020-10-25 20:26:23,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:23,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:26:23,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205887006] [2020-10-25 20:26:23,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:23,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:23,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:23,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:23,806 INFO L87 Difference]: Start difference. First operand 560 states and 735 transitions. Second operand 3 states. [2020-10-25 20:26:24,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:24,718 INFO L93 Difference]: Finished difference Result 1118 states and 1533 transitions. [2020-10-25 20:26:24,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:24,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-10-25 20:26:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:24,729 INFO L225 Difference]: With dead ends: 1118 [2020-10-25 20:26:24,730 INFO L226 Difference]: Without dead ends: 699 [2020-10-25 20:26:24,731 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 20:26:24,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-10-25 20:26:24,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-10-25 20:26:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-10-25 20:26:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 894 transitions. [2020-10-25 20:26:24,783 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 894 transitions. Word has length 239 [2020-10-25 20:26:24,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:24,784 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 894 transitions. [2020-10-25 20:26:24,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:24,785 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 894 transitions. [2020-10-25 20:26:24,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-25 20:26:24,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:24,792 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:26:24,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:26:24,795 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:24,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:24,797 INFO L82 PathProgramCache]: Analyzing trace with hash -19409544, now seen corresponding path program 1 times [2020-10-25 20:26:24,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:24,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766937392] [2020-10-25 20:26:24,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-25 20:26:25,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766937392] [2020-10-25 20:26:25,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:25,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:26:25,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386833663] [2020-10-25 20:26:25,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:25,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:25,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:25,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:25,059 INFO L87 Difference]: Start difference. First operand 699 states and 894 transitions. Second operand 3 states. [2020-10-25 20:26:25,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:25,817 INFO L93 Difference]: Finished difference Result 1396 states and 1831 transitions. [2020-10-25 20:26:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:25,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-10-25 20:26:25,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:25,829 INFO L225 Difference]: With dead ends: 1396 [2020-10-25 20:26:25,829 INFO L226 Difference]: Without dead ends: 838 [2020-10-25 20:26:25,830 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 20:26:25,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-10-25 20:26:25,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-10-25 20:26:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-10-25 20:26:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1043 transitions. [2020-10-25 20:26:25,853 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1043 transitions. Word has length 307 [2020-10-25 20:26:25,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:25,855 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1043 transitions. [2020-10-25 20:26:25,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1043 transitions. [2020-10-25 20:26:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-10-25 20:26:25,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:25,862 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-25 20:26:25,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:26:25,863 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:25,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:25,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1188005784, now seen corresponding path program 1 times [2020-10-25 20:26:25,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:25,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540718294] [2020-10-25 20:26:25,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-25 20:26:26,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540718294] [2020-10-25 20:26:26,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:26,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 20:26:26,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3151328] [2020-10-25 20:26:26,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 20:26:26,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:26,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 20:26:26,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:26:26,378 INFO L87 Difference]: Start difference. First operand 838 states and 1043 transitions. Second operand 7 states. [2020-10-25 20:26:27,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:27,125 INFO L93 Difference]: Finished difference Result 1590 states and 1995 transitions. [2020-10-25 20:26:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 20:26:27,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 316 [2020-10-25 20:26:27,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:27,137 INFO L225 Difference]: With dead ends: 1590 [2020-10-25 20:26:27,138 INFO L226 Difference]: Without dead ends: 838 [2020-10-25 20:26:27,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:26:27,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-10-25 20:26:27,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-10-25 20:26:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-10-25 20:26:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1039 transitions. [2020-10-25 20:26:27,162 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1039 transitions. Word has length 316 [2020-10-25 20:26:27,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:27,163 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1039 transitions. [2020-10-25 20:26:27,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 20:26:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1039 transitions. [2020-10-25 20:26:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-25 20:26:27,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:27,167 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:27,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:26:27,168 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:27,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:27,169 INFO L82 PathProgramCache]: Analyzing trace with hash -450685694, now seen corresponding path program 1 times [2020-10-25 20:26:27,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:27,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518688561] [2020-10-25 20:26:27,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 349 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:28,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518688561] [2020-10-25 20:26:28,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875367866] [2020-10-25 20:26:28,027 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 20:26:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:28,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:26:28,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:26:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-25 20:26:28,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:26:28,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-25 20:26:28,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121007105] [2020-10-25 20:26:28,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:28,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:28,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:28,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:26:28,643 INFO L87 Difference]: Start difference. First operand 838 states and 1039 transitions. Second operand 3 states. [2020-10-25 20:26:29,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:29,494 INFO L93 Difference]: Finished difference Result 2091 states and 2637 transitions. [2020-10-25 20:26:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:29,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 352 [2020-10-25 20:26:29,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:29,513 INFO L225 Difference]: With dead ends: 2091 [2020-10-25 20:26:29,513 INFO L226 Difference]: Without dead ends: 1394 [2020-10-25 20:26:29,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:26:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-10-25 20:26:29,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-10-25 20:26:29,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-10-25 20:26:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1670 transitions. [2020-10-25 20:26:29,565 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1670 transitions. Word has length 352 [2020-10-25 20:26:29,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:29,566 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1670 transitions. [2020-10-25 20:26:29,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1670 transitions. [2020-10-25 20:26:29,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-10-25 20:26:29,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:29,573 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:26:29,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-25 20:26:29,796 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:29,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:29,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1828396448, now seen corresponding path program 1 times [2020-10-25 20:26:29,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:29,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306661484] [2020-10-25 20:26:29,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-25 20:26:30,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306661484] [2020-10-25 20:26:30,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:30,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:26:30,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71525201] [2020-10-25 20:26:30,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:30,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:30,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:30,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:30,181 INFO L87 Difference]: Start difference. First operand 1394 states and 1670 transitions. Second operand 3 states. [2020-10-25 20:26:31,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:31,003 INFO L93 Difference]: Finished difference Result 3064 states and 3736 transitions. [2020-10-25 20:26:31,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:31,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2020-10-25 20:26:31,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:31,015 INFO L225 Difference]: With dead ends: 3064 [2020-10-25 20:26:31,016 INFO L226 Difference]: Without dead ends: 1811 [2020-10-25 20:26:31,018 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 20:26:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-10-25 20:26:31,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1672. [2020-10-25 20:26:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-10-25 20:26:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1973 transitions. [2020-10-25 20:26:31,064 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1973 transitions. Word has length 365 [2020-10-25 20:26:31,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:31,065 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1973 transitions. [2020-10-25 20:26:31,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1973 transitions. [2020-10-25 20:26:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-10-25 20:26:31,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:31,071 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:26:31,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:26:31,072 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:31,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:31,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1381648941, now seen corresponding path program 1 times [2020-10-25 20:26:31,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:31,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40102810] [2020-10-25 20:26:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-25 20:26:31,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40102810] [2020-10-25 20:26:31,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:31,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:26:31,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682216693] [2020-10-25 20:26:31,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:31,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:31,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:31,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:31,383 INFO L87 Difference]: Start difference. First operand 1672 states and 1973 transitions. Second operand 3 states. [2020-10-25 20:26:32,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:32,228 INFO L93 Difference]: Finished difference Result 3618 states and 4365 transitions. [2020-10-25 20:26:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:32,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2020-10-25 20:26:32,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:32,230 INFO L225 Difference]: With dead ends: 3618 [2020-10-25 20:26:32,230 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:26:32,236 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 20:26:32,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:26:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:26:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:26:32,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:26:32,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 366 [2020-10-25 20:26:32,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:32,238 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:26:32,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:26:32,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:26:32,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:26:32,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:26:32,421 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-25 20:26:32,421 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-25 20:26:32,421 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-25 20:26:32,422 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:26:32,422 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:26:32,422 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:26:32,422 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:26:32,422 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:26:32,422 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,423 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,424 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-25 20:26:32,424 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-25 20:26:32,424 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:26:32,425 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:26:32,425 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:26:32,425 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:26:32,425 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:26:32,425 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:26:32,425 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-25 20:26:32,426 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-25 20:26:32,426 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-25 20:26:32,426 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,426 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,426 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,426 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,427 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,427 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-25 20:26:32,427 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-25 20:26:32,427 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-25 20:26:32,427 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-25 20:26:32,428 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:26:32,428 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:26:32,428 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:26:32,428 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:26:32,428 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:26:32,428 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-25 20:26:32,429 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-25 20:26:32,429 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-25 20:26:32,429 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-25 20:26:32,429 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-25 20:26:32,429 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,429 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,430 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,430 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,430 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,430 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-25 20:26:32,430 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:26:32,430 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:26:32,431 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:26:32,431 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:26:32,431 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:26:32,431 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (= ~a10~0 4)) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 (= ~a10~0 0) .cse1) (and .cse0 .cse1 (not (= ~a19~0 6))))) [2020-10-25 20:26:32,432 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-25 20:26:32,432 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-25 20:26:32,432 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-25 20:26:32,432 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-25 20:26:32,432 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,433 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,433 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,433 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,433 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,433 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-25 20:26:32,434 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-25 20:26:32,434 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-25 20:26:32,434 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:26:32,434 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:26:32,434 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:26:32,435 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:26:32,435 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:26:32,435 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-25 20:26:32,435 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-25 20:26:32,435 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-25 20:26:32,435 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-25 20:26:32,436 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-25 20:26:32,436 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-25 20:26:32,436 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,436 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,436 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,436 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,437 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,437 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:26:32,437 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:26:32,437 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:26:32,437 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:26:32,437 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:26:32,437 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-25 20:26:32,438 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-25 20:26:32,438 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-25 20:26:32,438 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:26:32,438 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-25 20:26:32,438 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,438 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,439 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,439 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,439 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,439 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-25 20:26:32,439 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-25 20:26:32,439 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-25 20:26:32,439 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-25 20:26:32,440 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:26:32,440 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:26:32,440 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:26:32,440 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:26:32,440 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:26:32,440 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-25 20:26:32,441 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-25 20:26:32,441 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-25 20:26:32,441 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (= ~a10~0 4)) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 (= ~a10~0 0) .cse1) (and .cse0 .cse1 (not (= ~a19~0 6))))) [2020-10-25 20:26:32,441 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-25 20:26:32,441 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,442 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,442 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,442 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,442 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:26:32,442 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,442 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,443 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-25 20:26:32,443 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-25 20:26:32,443 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-25 20:26:32,443 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:26:32,443 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:26:32,443 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:26:32,444 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:26:32,444 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:26:32,444 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:26:32,444 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-25 20:26:32,444 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-25 20:26:32,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:26:32,445 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-25 20:26:32,445 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-25 20:26:32,445 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,445 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,445 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,445 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,446 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,446 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,446 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-25 20:26:32,446 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-25 20:26:32,446 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-25 20:26:32,446 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:26:32,447 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:26:32,447 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:26:32,447 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:26:32,447 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:26:32,447 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:26:32,447 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-25 20:26:32,448 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-25 20:26:32,448 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-25 20:26:32,448 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:26:32,448 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-25 20:26:32,448 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-25 20:26:32,448 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-25 20:26:32,448 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,449 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,449 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,449 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,449 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,449 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,449 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-25 20:26:32,449 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:26:32,450 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:26:32,450 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:26:32,450 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:26:32,450 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:26:32,450 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:26:32,450 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-25 20:26:32,450 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-25 20:26:32,451 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-25 20:26:32,451 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-25 20:26:32,451 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-25 20:26:32,451 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-25 20:26:32,451 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,451 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,452 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,452 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,452 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,452 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:26:32,452 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:26:32,453 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-25 20:26:32,453 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-25 20:26:32,453 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-25 20:26:32,453 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:26:32,453 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:26:32,453 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:26:32,454 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:26:32,454 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:26:32,454 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:26:32,454 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-25 20:26:32,454 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-25 20:26:32,454 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-25 20:26:32,455 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,455 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,455 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,455 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,455 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,455 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:32,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:26:32 BoogieIcfgContainer [2020-10-25 20:26:32,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:26:32,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:26:32,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:26:32,478 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:26:32,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:26:19" (3/4) ... [2020-10-25 20:26:32,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:26:32,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:26:32,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:26:32,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:26:32,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:26:32,676 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:26:32,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:26:32,679 INFO L168 Benchmark]: Toolchain (without parser) took 16616.99 ms. Allocated memory was 35.7 MB in the beginning and 289.4 MB in the end (delta: 253.8 MB). Free memory was 14.6 MB in the beginning and 207.2 MB in the end (delta: -192.5 MB). Peak memory consumption was 61.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:32,680 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory was 16.5 MB in the beginning and 16.5 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:26:32,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.95 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 14.0 MB in the beginning and 20.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:32,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.39 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.4 MB in the beginning and 32.4 MB in the end (delta: -12.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:32,682 INFO L168 Benchmark]: Boogie Preprocessor took 149.35 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 27.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:32,682 INFO L168 Benchmark]: RCFGBuilder took 1868.61 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 27.3 MB in the beginning and 27.8 MB in the end (delta: -567.0 kB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:32,683 INFO L168 Benchmark]: TraceAbstraction took 13427.67 ms. Allocated memory was 67.1 MB in the beginning and 289.4 MB in the end (delta: 222.3 MB). Free memory was 27.5 MB in the beginning and 223.1 MB in the end (delta: -195.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:32,683 INFO L168 Benchmark]: Witness Printer took 199.46 ms. Allocated memory is still 289.4 MB. Free memory was 223.1 MB in the beginning and 207.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:32,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory was 16.5 MB in the beginning and 16.5 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 796.95 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 14.0 MB in the beginning and 20.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 162.39 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.4 MB in the beginning and 32.4 MB in the end (delta: -12.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.35 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 27.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1868.61 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 27.3 MB in the beginning and 27.8 MB in the end (delta: -567.0 kB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13427.67 ms. Allocated memory was 67.1 MB in the beginning and 289.4 MB in the end (delta: 222.3 MB). Free memory was 27.5 MB in the beginning and 223.1 MB in the end (delta: -195.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * Witness Printer took 199.46 ms. Allocated memory is still 289.4 MB. Free memory was 223.1 MB in the beginning and 207.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 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: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && a10 == 4) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((14 == a4 && a12 == 0) && !(a19 == 6)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && a10 == 4) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((14 == a4 && a12 == 0) && !(a19 == 6)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 987 SDtfs, 1109 SDslu, 48 SDs, 0 SdLazy, 3311 SolverSat, 702 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 278 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 38 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 494 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2582 NumberOfCodeBlocks, 2582 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2573 ConstructedInterpolants, 0 QuantifiedInterpolants, 2441428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 2616/2661 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...