./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label06.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/Problem01_label06.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 64637383c39e91e27bd834758b27bc5e64368a81 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:43:46,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:43:46,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:43:46,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:43:46,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:43:46,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:43:46,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:43:46,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:43:46,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:43:46,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:43:46,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:43:46,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:43:46,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:43:46,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:43:46,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:43:46,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:43:46,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:43:46,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:43:46,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:43:46,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:43:46,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:43:46,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:43:46,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:43:46,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:43:46,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:43:46,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:43:46,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:43:46,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:43:46,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:43:46,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:43:46,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:43:46,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:43:46,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:43:46,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:43:46,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:43:46,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:43:46,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:43:46,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:43:46,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:43:46,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:43:46,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:43:46,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:43:46,224 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:43:46,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:43:46,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:43:46,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:43:46,227 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:43:46,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:43:46,228 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:43:46,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:43:46,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:43:46,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:43:46,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:43:46,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:43:46,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:43:46,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:43:46,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:43:46,230 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:43:46,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:43:46,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:43:46,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:43:46,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:43:46,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:43:46,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:43:46,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:43:46,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:43:46,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:43:46,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:43:46,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:43:46,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:43:46,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:43:46,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64637383c39e91e27bd834758b27bc5e64368a81 [2020-10-25 19:43:46,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:43:46,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:43:46,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:43:46,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:43:46,658 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:43:46,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label06.c [2020-10-25 19:43:46,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddb301f8/b764db9ae996458f81668a54684978c5/FLAG58ed204bf [2020-10-25 19:43:47,531 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:43:47,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label06.c [2020-10-25 19:43:47,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddb301f8/b764db9ae996458f81668a54684978c5/FLAG58ed204bf [2020-10-25 19:43:47,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddb301f8/b764db9ae996458f81668a54684978c5 [2020-10-25 19:43:47,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:43:47,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:43:47,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:43:47,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:43:47,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:43:47,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:43:47" (1/1) ... [2020-10-25 19:43:47,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f07644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:47, skipping insertion in model container [2020-10-25 19:43:47,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:43:47" (1/1) ... [2020-10-25 19:43:47,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:43:47,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:43:48,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:43:48,369 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:43:48,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:43:48,542 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:43:48,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48 WrapperNode [2020-10-25 19:43:48,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:43:48,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:43:48,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:43:48,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:43:48,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (1/1) ... [2020-10-25 19:43:48,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (1/1) ... [2020-10-25 19:43:48,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:43:48,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:43:48,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:43:48,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:43:48,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (1/1) ... [2020-10-25 19:43:48,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (1/1) ... [2020-10-25 19:43:48,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (1/1) ... [2020-10-25 19:43:48,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (1/1) ... [2020-10-25 19:43:48,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (1/1) ... [2020-10-25 19:43:48,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (1/1) ... [2020-10-25 19:43:48,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (1/1) ... [2020-10-25 19:43:48,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:43:48,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:43:48,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:43:48,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:43:48,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (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 19:43:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:43:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:43:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:43:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:43:50,219 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:43:50,219 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:43:50,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:43:50 BoogieIcfgContainer [2020-10-25 19:43:50,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:43:50,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:43:50,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:43:50,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:43:50,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:43:47" (1/3) ... [2020-10-25 19:43:50,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ecc04d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:43:50, skipping insertion in model container [2020-10-25 19:43:50,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:43:48" (2/3) ... [2020-10-25 19:43:50,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ecc04d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:43:50, skipping insertion in model container [2020-10-25 19:43:50,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:43:50" (3/3) ... [2020-10-25 19:43:50,231 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label06.c [2020-10-25 19:43:50,244 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:43:50,250 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:43:50,264 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:43:50,294 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:43:50,300 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:43:50,300 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:43:50,300 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:43:50,300 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:43:50,300 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:43:50,301 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:43:50,301 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:43:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-25 19:43:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-25 19:43:50,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:50,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:50,336 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:50,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:50,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1065839007, now seen corresponding path program 1 times [2020-10-25 19:43:50,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:50,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108930652] [2020-10-25 19:43:50,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:50,912 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 19:43:50,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108930652] [2020-10-25 19:43:50,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:50,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:50,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287516356] [2020-10-25 19:43:50,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:50,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:50,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:50,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:50,947 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-25 19:43:52,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:52,258 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-10-25 19:43:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:52,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-10-25 19:43:52,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:52,276 INFO L225 Difference]: With dead ends: 529 [2020-10-25 19:43:52,276 INFO L226 Difference]: Without dead ends: 266 [2020-10-25 19:43:52,282 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 19:43:52,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-25 19:43:52,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-25 19:43:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-25 19:43:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2020-10-25 19:43:52,353 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 124 [2020-10-25 19:43:52,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:52,354 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2020-10-25 19:43:52,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2020-10-25 19:43:52,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-25 19:43:52,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:52,359 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:52,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:43:52,359 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:52,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:52,360 INFO L82 PathProgramCache]: Analyzing trace with hash -324885159, now seen corresponding path program 1 times [2020-10-25 19:43:52,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:52,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179905806] [2020-10-25 19:43:52,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:52,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179905806] [2020-10-25 19:43:52,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729361046] [2020-10-25 19:43:52,821 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 19:43:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:52,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:43:52,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:43:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 19:43:53,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:43:53,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-25 19:43:53,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195140209] [2020-10-25 19:43:53,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:53,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:53,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:53,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:43:53,108 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand 3 states. [2020-10-25 19:43:53,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:53,923 INFO L93 Difference]: Finished difference Result 792 states and 1117 transitions. [2020-10-25 19:43:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:53,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-10-25 19:43:53,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:53,935 INFO L225 Difference]: With dead ends: 792 [2020-10-25 19:43:53,935 INFO L226 Difference]: Without dead ends: 528 [2020-10-25 19:43:53,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 19:43:53,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-25 19:43:53,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-10-25 19:43:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-25 19:43:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2020-10-25 19:43:53,974 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 128 [2020-10-25 19:43:53,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:53,975 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2020-10-25 19:43:53,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2020-10-25 19:43:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-25 19:43:53,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:53,982 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:43:54,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-25 19:43:54,196 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:54,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:54,198 INFO L82 PathProgramCache]: Analyzing trace with hash -871604626, now seen corresponding path program 1 times [2020-10-25 19:43:54,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:54,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327660399] [2020-10-25 19:43:54,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:54,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327660399] [2020-10-25 19:43:54,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:54,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:54,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820765240] [2020-10-25 19:43:54,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:54,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:54,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:54,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:54,293 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand 3 states. [2020-10-25 19:43:55,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:55,036 INFO L93 Difference]: Finished difference Result 1578 states and 2119 transitions. [2020-10-25 19:43:55,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:55,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-10-25 19:43:55,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:55,044 INFO L225 Difference]: With dead ends: 1578 [2020-10-25 19:43:55,044 INFO L226 Difference]: Without dead ends: 1052 [2020-10-25 19:43:55,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:55,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-10-25 19:43:55,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 921. [2020-10-25 19:43:55,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2020-10-25 19:43:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1156 transitions. [2020-10-25 19:43:55,085 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1156 transitions. Word has length 135 [2020-10-25 19:43:55,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:55,086 INFO L481 AbstractCegarLoop]: Abstraction has 921 states and 1156 transitions. [2020-10-25 19:43:55,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1156 transitions. [2020-10-25 19:43:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-25 19:43:55,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:55,091 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:55,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:43:55,091 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:55,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:55,092 INFO L82 PathProgramCache]: Analyzing trace with hash -839895024, now seen corresponding path program 1 times [2020-10-25 19:43:55,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:55,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059013262] [2020-10-25 19:43:55,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:43:55,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059013262] [2020-10-25 19:43:55,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:55,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:55,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258391048] [2020-10-25 19:43:55,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:55,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:55,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:55,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:55,178 INFO L87 Difference]: Start difference. First operand 921 states and 1156 transitions. Second operand 3 states. [2020-10-25 19:43:55,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:55,960 INFO L93 Difference]: Finished difference Result 2626 states and 3307 transitions. [2020-10-25 19:43:55,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:55,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-10-25 19:43:55,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:55,972 INFO L225 Difference]: With dead ends: 2626 [2020-10-25 19:43:55,972 INFO L226 Difference]: Without dead ends: 1707 [2020-10-25 19:43:55,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:55,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-10-25 19:43:56,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2020-10-25 19:43:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-10-25 19:43:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1781 transitions. [2020-10-25 19:43:56,029 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1781 transitions. Word has length 147 [2020-10-25 19:43:56,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:56,030 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1781 transitions. [2020-10-25 19:43:56,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1781 transitions. [2020-10-25 19:43:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-25 19:43:56,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:56,037 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:56,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:43:56,038 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:56,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:56,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1710577798, now seen corresponding path program 1 times [2020-10-25 19:43:56,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:56,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44328269] [2020-10-25 19:43:56,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-25 19:43:56,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44328269] [2020-10-25 19:43:56,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:56,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:56,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788123147] [2020-10-25 19:43:56,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:56,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:56,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:56,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:56,147 INFO L87 Difference]: Start difference. First operand 1445 states and 1781 transitions. Second operand 3 states. [2020-10-25 19:43:56,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:56,802 INFO L93 Difference]: Finished difference Result 3150 states and 3846 transitions. [2020-10-25 19:43:56,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:56,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-10-25 19:43:56,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:56,812 INFO L225 Difference]: With dead ends: 3150 [2020-10-25 19:43:56,813 INFO L226 Difference]: Without dead ends: 1445 [2020-10-25 19:43:56,816 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 19:43:56,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-10-25 19:43:56,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2020-10-25 19:43:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-10-25 19:43:56,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1619 transitions. [2020-10-25 19:43:56,862 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1619 transitions. Word has length 151 [2020-10-25 19:43:56,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:56,863 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1619 transitions. [2020-10-25 19:43:56,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:56,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1619 transitions. [2020-10-25 19:43:56,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-25 19:43:56,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:56,868 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:56,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 19:43:56,869 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:56,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:56,870 INFO L82 PathProgramCache]: Analyzing trace with hash -2071160692, now seen corresponding path program 1 times [2020-10-25 19:43:56,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:56,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319468977] [2020-10-25 19:43:56,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-25 19:43:57,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319468977] [2020-10-25 19:43:57,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:57,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:57,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182296342] [2020-10-25 19:43:57,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:43:57,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:57,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:43:57,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:43:57,010 INFO L87 Difference]: Start difference. First operand 1445 states and 1619 transitions. Second operand 4 states. [2020-10-25 19:43:57,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:57,915 INFO L93 Difference]: Finished difference Result 3936 states and 4442 transitions. [2020-10-25 19:43:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:43:57,915 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2020-10-25 19:43:57,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:57,929 INFO L225 Difference]: With dead ends: 3936 [2020-10-25 19:43:57,930 INFO L226 Difference]: Without dead ends: 2493 [2020-10-25 19:43:57,933 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 19:43:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-10-25 19:43:57,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2100. [2020-10-25 19:43:57,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-10-25 19:43:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2313 transitions. [2020-10-25 19:43:57,984 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2313 transitions. Word has length 155 [2020-10-25 19:43:57,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:57,984 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2313 transitions. [2020-10-25 19:43:57,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:43:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2313 transitions. [2020-10-25 19:43:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-25 19:43:57,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:57,991 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:57,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 19:43:57,991 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:57,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:57,992 INFO L82 PathProgramCache]: Analyzing trace with hash 465663344, now seen corresponding path program 1 times [2020-10-25 19:43:57,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:57,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161554563] [2020-10-25 19:43:57,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-25 19:43:58,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161554563] [2020-10-25 19:43:58,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:58,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:43:58,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283431120] [2020-10-25 19:43:58,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:58,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:58,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:58,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:58,081 INFO L87 Difference]: Start difference. First operand 2100 states and 2313 transitions. Second operand 3 states. [2020-10-25 19:43:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:58,847 INFO L93 Difference]: Finished difference Result 4984 states and 5534 transitions. [2020-10-25 19:43:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:58,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-25 19:43:58,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:58,866 INFO L225 Difference]: With dead ends: 4984 [2020-10-25 19:43:58,867 INFO L226 Difference]: Without dead ends: 3017 [2020-10-25 19:43:58,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:58,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-10-25 19:43:58,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2624. [2020-10-25 19:43:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-10-25 19:43:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2927 transitions. [2020-10-25 19:43:59,006 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2927 transitions. Word has length 164 [2020-10-25 19:43:59,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:59,006 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2927 transitions. [2020-10-25 19:43:59,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2927 transitions. [2020-10-25 19:43:59,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-25 19:43:59,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:59,018 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:59,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 19:43:59,019 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:59,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:59,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1312139176, now seen corresponding path program 1 times [2020-10-25 19:43:59,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:59,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595139949] [2020-10-25 19:43:59,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:43:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-25 19:43:59,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595139949] [2020-10-25 19:43:59,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:43:59,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:43:59,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356327763] [2020-10-25 19:43:59,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:43:59,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:43:59,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:43:59,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:43:59,143 INFO L87 Difference]: Start difference. First operand 2624 states and 2927 transitions. Second operand 3 states. [2020-10-25 19:43:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:43:59,798 INFO L93 Difference]: Finished difference Result 5508 states and 6148 transitions. [2020-10-25 19:43:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:43:59,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-10-25 19:43:59,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:43:59,814 INFO L225 Difference]: With dead ends: 5508 [2020-10-25 19:43:59,815 INFO L226 Difference]: Without dead ends: 2886 [2020-10-25 19:43:59,819 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 19:43:59,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-10-25 19:43:59,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2886. [2020-10-25 19:43:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2886 states. [2020-10-25 19:43:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3203 transitions. [2020-10-25 19:43:59,896 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3203 transitions. Word has length 180 [2020-10-25 19:43:59,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:43:59,896 INFO L481 AbstractCegarLoop]: Abstraction has 2886 states and 3203 transitions. [2020-10-25 19:43:59,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:43:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3203 transitions. [2020-10-25 19:43:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-25 19:43:59,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:43:59,906 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:59,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 19:43:59,907 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:43:59,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:43:59,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1509059938, now seen corresponding path program 1 times [2020-10-25 19:43:59,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:43:59,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376768897] [2020-10-25 19:43:59,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:43:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:44:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 65 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-25 19:44:00,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376768897] [2020-10-25 19:44:00,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578551376] [2020-10-25 19:44:00,025 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 19:44:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:44:00,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:44:00,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:44:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-25 19:44:00,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:44:00,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:44:00,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507500928] [2020-10-25 19:44:00,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:44:00,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:44:00,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:44:00,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:44:00,274 INFO L87 Difference]: Start difference. First operand 2886 states and 3203 transitions. Second operand 3 states. [2020-10-25 19:44:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:44:00,950 INFO L93 Difference]: Finished difference Result 5768 states and 6415 transitions. [2020-10-25 19:44:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:44:00,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-10-25 19:44:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:44:00,951 INFO L225 Difference]: With dead ends: 5768 [2020-10-25 19:44:00,951 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:44:00,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:44:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:44:00,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:44:00,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:44:00,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:44:00,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2020-10-25 19:44:00,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:44:00,959 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:44:00,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:44:00,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:44:00,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:44:01,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:44:01,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:44:01,409 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,409 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,409 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,409 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,409 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,410 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,410 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-25 19:44:01,410 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-25 19:44:01,410 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-25 19:44:01,410 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-25 19:44:01,411 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-25 19:44:01,411 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-25 19:44:01,411 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-25 19:44:01,411 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-25 19:44:01,411 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-25 19:44:01,411 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-25 19:44:01,411 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:44:01,411 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-25 19:44:01,411 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-25 19:44:01,412 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,412 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,412 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,412 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,413 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,413 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,413 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-25 19:44:01,413 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-25 19:44:01,413 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-25 19:44:01,413 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-25 19:44:01,414 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-25 19:44:01,414 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-25 19:44:01,414 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-25 19:44:01,414 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-25 19:44:01,414 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-25 19:44:01,415 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-25 19:44:01,415 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,415 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,415 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,415 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,415 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,416 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,416 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-25 19:44:01,416 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-25 19:44:01,416 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-25 19:44:01,416 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-25 19:44:01,417 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-25 19:44:01,417 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-25 19:44:01,417 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-25 19:44:01,417 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-25 19:44:01,417 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-25 19:44:01,417 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-25 19:44:01,418 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-25 19:44:01,418 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-25 19:44:01,418 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-25 19:44:01,418 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-25 19:44:01,418 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-25 19:44:01,418 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,419 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,419 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,419 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,419 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,419 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-25 19:44:01,419 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-25 19:44:01,420 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-25 19:44:01,420 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-25 19:44:01,420 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-25 19:44:01,420 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-25 19:44:01,420 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-25 19:44:01,420 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-25 19:44:01,421 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-25 19:44:01,421 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse2 (= ~a20~0 1)) (.cse1 (<= ~a8~0 13))) (or (and (not (= ~a7~0 1)) .cse0) (<= ~a17~0 0) (and (<= ~a16~0 4) .cse1) (and .cse2 .cse1 .cse0) (and (= ~a21~0 1) (<= ~a7~0 0) .cse2 .cse1))) [2020-10-25 19:44:01,421 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,422 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,422 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,422 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,422 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,422 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-25 19:44:01,422 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-25 19:44:01,422 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-25 19:44:01,423 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-25 19:44:01,423 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-25 19:44:01,423 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-25 19:44:01,423 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-25 19:44:01,423 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-25 19:44:01,423 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-25 19:44:01,424 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-25 19:44:01,424 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-25 19:44:01,424 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-25 19:44:01,424 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-25 19:44:01,424 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-25 19:44:01,424 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,425 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,425 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,425 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,425 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,425 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-25 19:44:01,425 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-25 19:44:01,426 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-25 19:44:01,426 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-25 19:44:01,426 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-25 19:44:01,426 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-25 19:44:01,426 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-25 19:44:01,426 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-25 19:44:01,427 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:44:01,427 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-25 19:44:01,427 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,427 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,427 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,427 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,427 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-25 19:44:01,428 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,428 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-25 19:44:01,428 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-25 19:44:01,428 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-25 19:44:01,428 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-25 19:44:01,428 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-25 19:44:01,429 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-25 19:44:01,429 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-25 19:44:01,429 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-25 19:44:01,429 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-25 19:44:01,429 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-25 19:44:01,429 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-25 19:44:01,429 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-25 19:44:01,430 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-25 19:44:01,430 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,430 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse2 (= ~a20~0 1)) (.cse1 (<= ~a8~0 13))) (or (and (not (= ~a7~0 1)) .cse0) (<= ~a17~0 0) (and (<= ~a16~0 4) .cse1) (and .cse2 .cse1 .cse0) (and (= ~a21~0 1) (<= ~a7~0 0) .cse2 .cse1))) [2020-10-25 19:44:01,430 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,430 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,431 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,431 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,431 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-25 19:44:01,431 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-25 19:44:01,431 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-25 19:44:01,432 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-25 19:44:01,432 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-25 19:44:01,432 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-25 19:44:01,432 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-25 19:44:01,432 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:44:01,432 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-25 19:44:01,432 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,433 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,433 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,433 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,433 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,433 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-25 19:44:01,433 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-25 19:44:01,434 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-25 19:44:01,434 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-25 19:44:01,434 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-25 19:44:01,434 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-25 19:44:01,434 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-25 19:44:01,434 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-25 19:44:01,434 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-25 19:44:01,435 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-25 19:44:01,435 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:44:01,435 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-25 19:44:01,435 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-25 19:44:01,435 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,435 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,436 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,436 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,436 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-25 19:44:01,436 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,436 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,436 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-25 19:44:01,436 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-25 19:44:01,437 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-25 19:44:01,437 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-25 19:44:01,437 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-25 19:44:01,437 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-25 19:44:01,437 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-25 19:44:01,437 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-25 19:44:01,437 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-25 19:44:01,438 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-25 19:44:01,438 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-25 19:44:01,438 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-25 19:44:01,438 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:44:01,438 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:44:01,439 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,439 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,439 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,439 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,439 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,439 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-25 19:44:01,439 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-25 19:44:01,440 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-25 19:44:01,440 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-25 19:44:01,440 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-25 19:44:01,440 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-25 19:44:01,440 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-25 19:44:01,440 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-25 19:44:01,441 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-25 19:44:01,441 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-25 19:44:01,441 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-25 19:44:01,441 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-25 19:44:01,441 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-25 19:44:01,441 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-25 19:44:01,441 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-25 19:44:01,442 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-25 19:44:01,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:44:01 BoogieIcfgContainer [2020-10-25 19:44:01,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:44:01,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:44:01,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:44:01,464 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:44:01,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:43:50" (3/4) ... [2020-10-25 19:44:01,468 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:44:01,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:44:01,492 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:44:01,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:44:01,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:44:01,701 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:44:01,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:44:01,704 INFO L168 Benchmark]: Toolchain (without parser) took 13895.13 ms. Allocated memory was 50.3 MB in the beginning and 255.9 MB in the end (delta: 205.5 MB). Free memory was 26.4 MB in the beginning and 161.5 MB in the end (delta: -135.1 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:01,704 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 37.7 MB. Free memory is still 20.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:44:01,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.23 ms. Allocated memory is still 50.3 MB. Free memory was 25.7 MB in the beginning and 24.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:01,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.40 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 24.3 MB in the beginning and 41.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:01,706 INFO L168 Benchmark]: Boogie Preprocessor took 70.96 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 37.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:01,707 INFO L168 Benchmark]: RCFGBuilder took 1475.18 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.4 MB in the beginning and 31.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:01,707 INFO L168 Benchmark]: TraceAbstraction took 11239.30 ms. Allocated memory was 73.4 MB in the beginning and 255.9 MB in the end (delta: 182.5 MB). Free memory was 31.0 MB in the beginning and 176.2 MB in the end (delta: -145.2 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:01,708 INFO L168 Benchmark]: Witness Printer took 238.13 ms. Allocated memory is still 255.9 MB. Free memory was 176.2 MB in the beginning and 161.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:44:01,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 37.7 MB. Free memory is still 20.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 725.23 ms. Allocated memory is still 50.3 MB. Free memory was 25.7 MB in the beginning and 24.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.40 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 24.3 MB in the beginning and 41.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.96 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 37.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1475.18 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.4 MB in the beginning and 31.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11239.30 ms. Allocated memory was 73.4 MB in the beginning and 255.9 MB in the end (delta: 182.5 MB). Free memory was 31.0 MB in the beginning and 176.2 MB in the end (delta: -145.2 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. * Witness Printer took 238.13 ms. Allocated memory is still 255.9 MB. Free memory was 176.2 MB in the beginning and 161.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((!(a7 == 1) && a17 == 1) || a17 <= 0) || (a16 <= 4 && a8 <= 13)) || ((a20 == 1 && a8 <= 13) && a17 == 1)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a8 <= 13) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((!(a7 == 1) && a17 == 1) || a17 <= 0) || (a16 <= 4 && a8 <= 13)) || ((a20 == 1 && a8 <= 13) && a17 == 1)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a8 <= 13) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 761 SDtfs, 1112 SDslu, 52 SDs, 0 SdLazy, 3079 SolverSat, 546 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 335 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2886occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 57 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1148 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1680 NumberOfCodeBlocks, 1680 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1669 ConstructedInterpolants, 0 QuantifiedInterpolants, 748752 SizeOfPredicates, 2 NumberOfNonLiveVariables, 635 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 504/510 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...