./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label07.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/Problem14_label07.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 39aafddee363370c4c143ff8ae98902ce8f55a87 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:44:37,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:44:37,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:44:37,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:44:37,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:44:37,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:44:37,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:44:37,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:44:37,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:44:37,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:44:37,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:44:37,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:44:37,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:44:37,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:44:37,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:44:37,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:44:37,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:44:37,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:44:37,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:44:37,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:44:37,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:44:37,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:44:37,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:44:37,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:44:37,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:44:37,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:44:37,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:44:37,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:44:37,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:44:37,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:44:37,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:44:37,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:44:37,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:44:37,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:44:37,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:44:37,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:44:37,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:44:37,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:44:37,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:44:37,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:44:37,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:44:37,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:44:37,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:44:37,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:44:37,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:44:37,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:44:37,451 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:44:37,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:44:37,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:44:37,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:44:37,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:44:37,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:44:37,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:44:37,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:44:37,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:44:37,454 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:44:37,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:44:37,454 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:44:37,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:44:37,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:44:37,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:44:37,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:44:37,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:44:37,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:44:37,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:44:37,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:44:37,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:44:37,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:44:37,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:44:37,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:44:37,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:44:37,458 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39aafddee363370c4c143ff8ae98902ce8f55a87 [2020-10-25 20:44:37,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:44:37,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:44:37,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:44:37,944 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:44:37,946 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:44:37,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2020-10-25 20:44:38,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56221461c/b049e18c2c514633837d395b87fac71d/FLAGd377df1df [2020-10-25 20:44:38,882 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:44:38,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2020-10-25 20:44:38,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56221461c/b049e18c2c514633837d395b87fac71d/FLAGd377df1df [2020-10-25 20:44:39,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56221461c/b049e18c2c514633837d395b87fac71d [2020-10-25 20:44:39,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:44:39,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:44:39,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:44:39,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:44:39,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:44:39,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:39,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d407fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39, skipping insertion in model container [2020-10-25 20:44:39,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:39,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:44:39,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:44:39,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:44:39,672 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:44:39,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:44:39,872 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:44:39,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39 WrapperNode [2020-10-25 20:44:39,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:44:39,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:44:39,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:44:39,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:44:39,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:39,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:39,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:44:39,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:44:39,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:44:39,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:44:40,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:40,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:40,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:40,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:40,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:40,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:40,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (1/1) ... [2020-10-25 20:44:40,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:44:40,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:44:40,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:44:40,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:44:40,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (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 20:44:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:44:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:44:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:44:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:44:42,630 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:44:42,631 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:44:42,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:44:42 BoogieIcfgContainer [2020-10-25 20:44:42,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:44:42,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:44:42,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:44:42,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:44:42,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:44:39" (1/3) ... [2020-10-25 20:44:42,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22462b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:44:42, skipping insertion in model container [2020-10-25 20:44:42,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:44:39" (2/3) ... [2020-10-25 20:44:42,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22462b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:44:42, skipping insertion in model container [2020-10-25 20:44:42,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:44:42" (3/3) ... [2020-10-25 20:44:42,644 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label07.c [2020-10-25 20:44:42,656 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:44:42,663 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:44:42,677 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:44:42,707 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:44:42,707 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:44:42,707 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:44:42,707 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:44:42,708 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:44:42,708 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:44:42,708 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:44:42,708 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:44:42,730 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-25 20:44:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-25 20:44:42,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:44:42,740 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] [2020-10-25 20:44:42,740 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:44:42,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:44:42,751 INFO L82 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2020-10-25 20:44:42,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:44:42,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136848577] [2020-10-25 20:44:42,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:44:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:44:43,113 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 20:44:43,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136848577] [2020-10-25 20:44:43,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:44:43,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:44:43,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166060932] [2020-10-25 20:44:43,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:44:43,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:44:43,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:44:43,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:44:43,139 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-25 20:44:45,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:44:45,830 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-25 20:44:45,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:44:45,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-25 20:44:45,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:44:45,852 INFO L225 Difference]: With dead ends: 670 [2020-10-25 20:44:45,852 INFO L226 Difference]: Without dead ends: 360 [2020-10-25 20:44:45,858 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 20:44:45,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-25 20:44:45,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-25 20:44:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-25 20:44:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions. [2020-10-25 20:44:45,938 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 47 [2020-10-25 20:44:45,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:44:45,939 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions. [2020-10-25 20:44:45,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:44:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions. [2020-10-25 20:44:45,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-25 20:44:45,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:44:45,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:44:45,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:44:45,945 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:44:45,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:44:45,947 INFO L82 PathProgramCache]: Analyzing trace with hash 2115826741, now seen corresponding path program 1 times [2020-10-25 20:44:45,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:44:45,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399450630] [2020-10-25 20:44:45,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:44:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:44:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:44:46,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399450630] [2020-10-25 20:44:46,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:44:46,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:44:46,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266128632] [2020-10-25 20:44:46,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:44:46,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:44:46,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:44:46,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:44:46,199 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand 3 states. [2020-10-25 20:44:48,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:44:48,350 INFO L93 Difference]: Finished difference Result 1074 states and 1633 transitions. [2020-10-25 20:44:48,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:44:48,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-25 20:44:48,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:44:48,357 INFO L225 Difference]: With dead ends: 1074 [2020-10-25 20:44:48,358 INFO L226 Difference]: Without dead ends: 716 [2020-10-25 20:44:48,360 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 20:44:48,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-25 20:44:48,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-10-25 20:44:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-25 20:44:48,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions. [2020-10-25 20:44:48,425 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 122 [2020-10-25 20:44:48,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:44:48,426 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions. [2020-10-25 20:44:48,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:44:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions. [2020-10-25 20:44:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-25 20:44:48,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:44:48,436 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:44:48,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:44:48,437 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:44:48,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:44:48,438 INFO L82 PathProgramCache]: Analyzing trace with hash -707092609, now seen corresponding path program 1 times [2020-10-25 20:44:48,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:44:48,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604022983] [2020-10-25 20:44:48,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:44:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:44:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:44:48,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604022983] [2020-10-25 20:44:48,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:44:48,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:44:48,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747252740] [2020-10-25 20:44:48,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:44:48,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:44:48,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:44:48,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:44:48,690 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand 4 states. [2020-10-25 20:44:51,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:44:51,757 INFO L93 Difference]: Finished difference Result 1964 states and 2570 transitions. [2020-10-25 20:44:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:44:51,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2020-10-25 20:44:51,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:44:51,770 INFO L225 Difference]: With dead ends: 1964 [2020-10-25 20:44:51,771 INFO L226 Difference]: Without dead ends: 1250 [2020-10-25 20:44:51,773 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 20:44:51,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-25 20:44:51,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2020-10-25 20:44:51,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-25 20:44:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions. [2020-10-25 20:44:51,833 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 126 [2020-10-25 20:44:51,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:44:51,835 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions. [2020-10-25 20:44:51,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:44:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions. [2020-10-25 20:44:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-25 20:44:51,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:44:51,848 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:44:51,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:44:51,849 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:44:51,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:44:51,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1481107662, now seen corresponding path program 1 times [2020-10-25 20:44:51,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:44:51,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551690908] [2020-10-25 20:44:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:44:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:44:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-25 20:44:52,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551690908] [2020-10-25 20:44:52,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:44:52,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:44:52,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63518519] [2020-10-25 20:44:52,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:44:52,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:44:52,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:44:52,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:44:52,232 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand 4 states. [2020-10-25 20:44:54,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:44:54,389 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions. [2020-10-25 20:44:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:44:54,390 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 206 [2020-10-25 20:44:54,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:44:54,400 INFO L225 Difference]: With dead ends: 2705 [2020-10-25 20:44:54,400 INFO L226 Difference]: Without dead ends: 1606 [2020-10-25 20:44:54,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:44:54,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-10-25 20:44:54,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2020-10-25 20:44:54,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-25 20:44:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions. [2020-10-25 20:44:54,445 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 206 [2020-10-25 20:44:54,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:44:54,445 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions. [2020-10-25 20:44:54,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:44:54,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions. [2020-10-25 20:44:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-25 20:44:54,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:44:54,452 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, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:44:54,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:44:54,453 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:44:54,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:44:54,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1941896376, now seen corresponding path program 1 times [2020-10-25 20:44:54,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:44:54,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094080019] [2020-10-25 20:44:54,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:44:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:44:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 182 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:44:55,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094080019] [2020-10-25 20:44:55,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169258799] [2020-10-25 20:44:55,026 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 20:44:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:44:55,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:44:55,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:44:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-25 20:44:55,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:44:55,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-25 20:44:55,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116092238] [2020-10-25 20:44:55,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:44:55,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:44:55,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:44:55,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:44:55,911 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand 3 states. [2020-10-25 20:44:57,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:44:57,765 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions. [2020-10-25 20:44:57,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:44:57,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 333 [2020-10-25 20:44:57,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:44:57,777 INFO L225 Difference]: With dead ends: 3388 [2020-10-25 20:44:57,778 INFO L226 Difference]: Without dead ends: 1962 [2020-10-25 20:44:57,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:44:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-25 20:44:57,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2020-10-25 20:44:57,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-10-25 20:44:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions. [2020-10-25 20:44:57,823 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 333 [2020-10-25 20:44:57,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:44:57,823 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions. [2020-10-25 20:44:57,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:44:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions. [2020-10-25 20:44:57,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-25 20:44:57,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:44:57,829 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:44:58,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:44:58,043 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:44:58,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:44:58,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1569804670, now seen corresponding path program 1 times [2020-10-25 20:44:58,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:44:58,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728630701] [2020-10-25 20:44:58,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:44:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:44:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 265 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:44:58,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728630701] [2020-10-25 20:44:58,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682270433] [2020-10-25 20:44:58,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:44:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:44:58,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:44:58,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:44:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-25 20:44:59,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:44:59,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-25 20:44:59,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844452743] [2020-10-25 20:44:59,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:44:59,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:44:59,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:44:59,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:44:59,094 INFO L87 Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand 3 states. [2020-10-25 20:45:00,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:00,640 INFO L93 Difference]: Finished difference Result 2320 states and 2616 transitions. [2020-10-25 20:45:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:00,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-10-25 20:45:00,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:00,654 INFO L225 Difference]: With dead ends: 2320 [2020-10-25 20:45:00,655 INFO L226 Difference]: Without dead ends: 2318 [2020-10-25 20:45:00,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:45:00,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-10-25 20:45:00,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 1962. [2020-10-25 20:45:00,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-25 20:45:00,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2232 transitions. [2020-10-25 20:45:00,704 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2232 transitions. Word has length 337 [2020-10-25 20:45:00,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:00,704 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2232 transitions. [2020-10-25 20:45:00,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2232 transitions. [2020-10-25 20:45:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2020-10-25 20:45:00,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:00,717 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:45:00,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:45:00,931 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:00,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:00,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1387166323, now seen corresponding path program 1 times [2020-10-25 20:45:00,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:00,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131240265] [2020-10-25 20:45:00,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 602 proven. 130 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-25 20:45:01,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131240265] [2020-10-25 20:45:01,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065755421] [2020-10-25 20:45:01,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:45:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:02,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:45:02,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:45:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2020-10-25 20:45:02,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:45:02,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-25 20:45:02,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832136233] [2020-10-25 20:45:02,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:02,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:02,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:02,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:45:02,285 INFO L87 Difference]: Start difference. First operand 1962 states and 2232 transitions. Second operand 3 states. [2020-10-25 20:45:04,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:04,162 INFO L93 Difference]: Finished difference Result 4456 states and 5168 transitions. [2020-10-25 20:45:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:04,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 461 [2020-10-25 20:45:04,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:04,178 INFO L225 Difference]: With dead ends: 4456 [2020-10-25 20:45:04,179 INFO L226 Difference]: Without dead ends: 2674 [2020-10-25 20:45:04,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:45:04,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-25 20:45:04,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-25 20:45:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-25 20:45:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2836 transitions. [2020-10-25 20:45:04,250 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2836 transitions. Word has length 461 [2020-10-25 20:45:04,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:04,252 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2836 transitions. [2020-10-25 20:45:04,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2836 transitions. [2020-10-25 20:45:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2020-10-25 20:45:04,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:04,267 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-25 20:45:04,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:45:04,481 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:04,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:04,483 INFO L82 PathProgramCache]: Analyzing trace with hash -442518498, now seen corresponding path program 1 times [2020-10-25 20:45:04,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:04,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930254896] [2020-10-25 20:45:04,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 636 proven. 130 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-25 20:45:05,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930254896] [2020-10-25 20:45:05,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202962326] [2020-10-25 20:45:05,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:45:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:05,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:45:05,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:45:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-10-25 20:45:05,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:45:05,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-25 20:45:05,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489373371] [2020-10-25 20:45:05,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:05,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:05,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:05,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:45:05,676 INFO L87 Difference]: Start difference. First operand 2496 states and 2836 transitions. Second operand 3 states. [2020-10-25 20:45:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:07,509 INFO L93 Difference]: Finished difference Result 5700 states and 6562 transitions. [2020-10-25 20:45:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:07,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 491 [2020-10-25 20:45:07,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:07,512 INFO L225 Difference]: With dead ends: 5700 [2020-10-25 20:45:07,512 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:45:07,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:45:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:45:07,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:45:07,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:45:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:45:07,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 491 [2020-10-25 20:45:07,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:07,520 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:45:07,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:07,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:45:07,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:45:07,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:45:07,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:45:07,875 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2020-10-25 20:45:07,980 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-25 20:45:07,980 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:45:07,980 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:45:07,980 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:45:07,980 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-25 20:45:07,980 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-25 20:45:07,981 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-25 20:45:07,981 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,981 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,981 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,981 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-25 20:45:07,981 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:45:07,981 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:45:07,981 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:45:07,981 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:45:07,982 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:45:07,983 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,984 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-25 20:45:07,985 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,986 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,987 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-25 20:45:07,988 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-25 20:45:07,989 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-25 20:45:07,990 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-25 20:45:07,991 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-25 20:45:07,991 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,991 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,991 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,991 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:45:07,991 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:45:07,991 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-25 20:45:07,991 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-25 20:45:07,991 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:45:07,992 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:45:07,992 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:45:07,992 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-25 20:45:07,992 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-25 20:45:07,992 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-25 20:45:07,992 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,992 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,993 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,993 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-25 20:45:07,993 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:45:07,993 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:45:07,993 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:45:07,993 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-25 20:45:07,993 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-25 20:45:07,993 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:45:07,993 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-25 20:45:07,994 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-25 20:45:07,995 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,996 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,997 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (or (<= ~a21~0 7) (<= 6 ~a15~0) (< 11 ~a12~0) (and (<= (+ ~a12~0 49) 0) (= ~a24~0 1)) (<= 10 ~a21~0)) [2020-10-25 20:45:07,997 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-25 20:45:07,997 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-25 20:45:07,997 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:45:07,997 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:45:07,997 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-25 20:45:07,998 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-25 20:45:07,998 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-25 20:45:07,998 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-25 20:45:07,998 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,998 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,998 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-25 20:45:07,998 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-25 20:45:07,998 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-25 20:45:07,998 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:45:07,998 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:45:07,999 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:45:08,000 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-25 20:45:08,000 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-25 20:45:08,000 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,000 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,000 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:45:08,000 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,000 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-25 20:45:08,000 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (or (<= ~a21~0 7) (<= 6 ~a15~0) (< 11 ~a12~0) (and (<= (+ ~a12~0 49) 0) (= ~a24~0 1)) (<= 10 ~a21~0)) [2020-10-25 20:45:08,000 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,001 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,002 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-25 20:45:08,002 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:45:08,002 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:45:08,002 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:45:08,002 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-25 20:45:08,002 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:45:08,002 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-25 20:45:08,002 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:45:08,003 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:45:08,004 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:45:08,005 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-25 20:45:08,005 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-25 20:45:08,005 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-25 20:45:08,005 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-25 20:45:08,005 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-25 20:45:08,005 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,005 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,005 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:45:08,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:45:08 BoogieIcfgContainer [2020-10-25 20:45:08,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:45:08,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:45:08,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:45:08,027 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:45:08,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:44:42" (3/4) ... [2020-10-25 20:45:08,033 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:45:08,059 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:45:08,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:45:08,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:45:08,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:45:08,302 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:45:08,302 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:45:08,304 INFO L168 Benchmark]: Toolchain (without parser) took 29263.25 ms. Allocated memory was 41.9 MB in the beginning and 453.0 MB in the end (delta: 411.0 MB). Free memory was 26.1 MB in the beginning and 233.7 MB in the end (delta: -207.6 MB). Peak memory consumption was 203.5 MB. Max. memory is 16.1 GB. [2020-10-25 20:45:08,305 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 41.9 MB. Free memory was 23.0 MB in the beginning and 22.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:45:08,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.66 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 25.5 MB in the beginning and 34.5 MB in the end (delta: -9.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2020-10-25 20:45:08,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.88 ms. Allocated memory is still 54.5 MB. Free memory was 34.5 MB in the beginning and 25.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:45:08,307 INFO L168 Benchmark]: Boogie Preprocessor took 179.89 ms. Allocated memory is still 54.5 MB. Free memory was 25.0 MB in the beginning and 29.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-25 20:45:08,308 INFO L168 Benchmark]: RCFGBuilder took 2457.41 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 29.8 MB in the beginning and 38.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:45:08,308 INFO L168 Benchmark]: TraceAbstraction took 25391.06 ms. Allocated memory was 83.9 MB in the beginning and 453.0 MB in the end (delta: 369.1 MB). Free memory was 37.6 MB in the beginning and 252.8 MB in the end (delta: -215.2 MB). Peak memory consumption was 154.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:45:08,309 INFO L168 Benchmark]: Witness Printer took 275.18 ms. Allocated memory is still 453.0 MB. Free memory was 252.8 MB in the beginning and 233.7 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:45:08,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 41.9 MB. Free memory was 23.0 MB in the beginning and 22.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 826.66 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 25.5 MB in the beginning and 34.5 MB in the end (delta: -9.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.88 ms. Allocated memory is still 54.5 MB. Free memory was 34.5 MB in the beginning and 25.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 179.89 ms. Allocated memory is still 54.5 MB. Free memory was 25.0 MB in the beginning and 29.8 MB in the end (delta: -4.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2457.41 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 29.8 MB in the beginning and 38.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25391.06 ms. Allocated memory was 83.9 MB in the beginning and 453.0 MB in the end (delta: 369.1 MB). Free memory was 37.6 MB in the beginning and 252.8 MB in the end (delta: -215.2 MB). Peak memory consumption was 154.0 MB. Max. memory is 16.1 GB. * Witness Printer took 275.18 ms. Allocated memory is still 453.0 MB. Free memory was 252.8 MB in the beginning and 233.7 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 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: 22]: Loop Invariant Derived loop invariant: (((a21 <= 7 || 6 <= a15) || 11 < a12) || (a12 + 49 <= 0 && a24 == 1)) || 10 <= a21 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((a21 <= 7 || 6 <= a15) || 11 < a12) || (a12 + 49 <= 0 && a24 == 1)) || 10 <= a21 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.0s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 17.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 937 SDtfs, 1336 SDslu, 46 SDs, 0 SdLazy, 4406 SolverSat, 790 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1648 GetRequests, 1622 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2496occurred 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, 712 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 45 HoareAnnotationTreeSize, 3 FomulaSimplifications, 684 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 74 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3745 NumberOfCodeBlocks, 3745 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3733 ConstructedInterpolants, 0 QuantifiedInterpolants, 5263742 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2198 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 4475/4995 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...