./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer --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 94596b36b24d04639813cccc1625ed66ec56e5fc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:55:18,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:55:18,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:55:18,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:55:18,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:55:18,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:55:18,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:55:18,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:55:18,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:55:18,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:55:18,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:55:18,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:55:18,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:55:18,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:55:18,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:55:18,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:55:18,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:55:18,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:55:18,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:55:18,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:55:18,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:55:18,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:55:18,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:55:18,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:55:18,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:55:18,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:55:18,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:55:18,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:55:18,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:55:18,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:55:18,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:55:18,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:55:18,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:55:18,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:55:18,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:55:18,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:55:18,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:55:18,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:55:18,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:55:18,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:55:18,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:55:18,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:55:18,323 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:55:18,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:55:18,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:55:18,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:55:18,325 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:55:18,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:55:18,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:55:18,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:55:18,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:55:18,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:55:18,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:55:18,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:55:18,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:55:18,327 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:55:18,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:55:18,327 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:55:18,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:55:18,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:55:18,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:55:18,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:55:18,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:55:18,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:55:18,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:55:18,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:55:18,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:55:18,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:55:18,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:55:18,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:55:18,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:55:18,331 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:/tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94596b36b24d04639813cccc1625ed66ec56e5fc [2020-11-29 23:55:18,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:55:18,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:55:18,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:55:18,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:55:18,602 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:55:18,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2020-11-29 23:55:18,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/data/1a7b8fc7a/f40c1a288c304fd683a5daa3b62576a5/FLAG7a2f29bdc [2020-11-29 23:55:19,225 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:55:19,226 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2020-11-29 23:55:19,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/data/1a7b8fc7a/f40c1a288c304fd683a5daa3b62576a5/FLAG7a2f29bdc [2020-11-29 23:55:19,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/data/1a7b8fc7a/f40c1a288c304fd683a5daa3b62576a5 [2020-11-29 23:55:19,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:55:19,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:55:19,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:19,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:55:19,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:55:19,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:19" (1/1) ... [2020-11-29 23:55:19,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f200b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:19, skipping insertion in model container [2020-11-29 23:55:19,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:19" (1/1) ... [2020-11-29 23:55:19,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:55:19,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:55:20,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:20,188 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:55:20,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:20,420 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:55:20,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20 WrapperNode [2020-11-29 23:55:20,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:20,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:20,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:55:20,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:55:20,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... [2020-11-29 23:55:20,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... [2020-11-29 23:55:20,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:20,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:55:20,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:55:20,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:55:20,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... [2020-11-29 23:55:20,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... [2020-11-29 23:55:20,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... [2020-11-29 23:55:20,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... [2020-11-29 23:55:20,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... [2020-11-29 23:55:20,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... [2020-11-29 23:55:20,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... [2020-11-29 23:55:20,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:55:20,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:55:20,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:55:20,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:55:20,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/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 [2020-11-29 23:55:20,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:55:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:55:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:55:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:55:22,288 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:55:22,288 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:55:22,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:22 BoogieIcfgContainer [2020-11-29 23:55:22,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:55:22,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:55:22,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:55:22,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:55:22,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:55:19" (1/3) ... [2020-11-29 23:55:22,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632dd002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:55:22, skipping insertion in model container [2020-11-29 23:55:22,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:20" (2/3) ... [2020-11-29 23:55:22,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632dd002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:55:22, skipping insertion in model container [2020-11-29 23:55:22,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:22" (3/3) ... [2020-11-29 23:55:22,301 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2020-11-29 23:55:22,312 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:55:22,317 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:55:22,331 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:55:22,383 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:55:22,383 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:55:22,383 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:55:22,383 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:55:22,383 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:55:22,383 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:55:22,384 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:55:22,384 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:55:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-29 23:55:22,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 23:55:22,416 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:22,417 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] [2020-11-29 23:55:22,417 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:22,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:22,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2020-11-29 23:55:22,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:22,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141863040] [2020-11-29 23:55:22,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:22,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141863040] [2020-11-29 23:55:22,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:22,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:55:22,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652232480] [2020-11-29 23:55:22,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:22,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:22,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:22,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:22,718 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-29 23:55:23,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:23,980 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-11-29 23:55:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:23,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-29 23:55:23,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:23,996 INFO L225 Difference]: With dead ends: 670 [2020-11-29 23:55:23,996 INFO L226 Difference]: Without dead ends: 360 [2020-11-29 23:55:24,000 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 [2020-11-29 23:55:24,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-29 23:55:24,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-29 23:55:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-29 23:55:24,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-11-29 23:55:24,096 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 32 [2020-11-29 23:55:24,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:24,096 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-11-29 23:55:24,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-11-29 23:55:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-29 23:55:24,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:24,101 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:24,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:55:24,102 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:24,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:24,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1061625674, now seen corresponding path program 1 times [2020-11-29 23:55:24,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:24,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555686238] [2020-11-29 23:55:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:24,308 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:24,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555686238] [2020-11-29 23:55:24,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:24,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:55:24,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087061636] [2020-11-29 23:55:24,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:24,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:24,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:24,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:24,325 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-11-29 23:55:25,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:25,275 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2020-11-29 23:55:25,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:25,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-11-29 23:55:25,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:25,281 INFO L225 Difference]: With dead ends: 1076 [2020-11-29 23:55:25,281 INFO L226 Difference]: Without dead ends: 718 [2020-11-29 23:55:25,284 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 [2020-11-29 23:55:25,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-11-29 23:55:25,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-11-29 23:55:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-11-29 23:55:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2020-11-29 23:55:25,327 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 97 [2020-11-29 23:55:25,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:25,328 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2020-11-29 23:55:25,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2020-11-29 23:55:25,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-29 23:55:25,332 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:25,332 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:25,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:55:25,333 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:25,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:25,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1786830111, now seen corresponding path program 1 times [2020-11-29 23:55:25,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:25,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239289664] [2020-11-29 23:55:25,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:25,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239289664] [2020-11-29 23:55:25,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:25,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:55:25,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294306495] [2020-11-29 23:55:25,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:25,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:25,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:25,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:25,479 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand 3 states. [2020-11-29 23:55:26,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:26,406 INFO L93 Difference]: Finished difference Result 1608 states and 2324 transitions. [2020-11-29 23:55:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:26,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-29 23:55:26,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:26,412 INFO L225 Difference]: With dead ends: 1608 [2020-11-29 23:55:26,412 INFO L226 Difference]: Without dead ends: 894 [2020-11-29 23:55:26,414 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 [2020-11-29 23:55:26,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-11-29 23:55:26,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-11-29 23:55:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-11-29 23:55:26,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1189 transitions. [2020-11-29 23:55:26,447 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1189 transitions. Word has length 98 [2020-11-29 23:55:26,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:26,448 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1189 transitions. [2020-11-29 23:55:26,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:26,448 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2020-11-29 23:55:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-29 23:55:26,450 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:26,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:26,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:55:26,451 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:26,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:26,452 INFO L82 PathProgramCache]: Analyzing trace with hash 634828736, now seen corresponding path program 1 times [2020-11-29 23:55:26,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:26,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914579339] [2020-11-29 23:55:26,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:26,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914579339] [2020-11-29 23:55:26,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:26,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:26,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503769248] [2020-11-29 23:55:26,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:55:26,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:26,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:55:26,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:55:26,609 INFO L87 Difference]: Start difference. First operand 894 states and 1189 transitions. Second operand 4 states. [2020-11-29 23:55:28,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:28,023 INFO L93 Difference]: Finished difference Result 2144 states and 2782 transitions. [2020-11-29 23:55:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:55:28,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-11-29 23:55:28,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:28,031 INFO L225 Difference]: With dead ends: 2144 [2020-11-29 23:55:28,031 INFO L226 Difference]: Without dead ends: 1252 [2020-11-29 23:55:28,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-11-29 23:55:28,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-11-29 23:55:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-11-29 23:55:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1570 transitions. [2020-11-29 23:55:28,073 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1570 transitions. Word has length 101 [2020-11-29 23:55:28,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:28,073 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1570 transitions. [2020-11-29 23:55:28,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:55:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1570 transitions. [2020-11-29 23:55:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-29 23:55:28,084 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:28,084 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:28,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:55:28,085 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:28,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:28,086 INFO L82 PathProgramCache]: Analyzing trace with hash 674228702, now seen corresponding path program 1 times [2020-11-29 23:55:28,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:28,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246069423] [2020-11-29 23:55:28,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:28,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246069423] [2020-11-29 23:55:28,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:28,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:28,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647747424] [2020-11-29 23:55:28,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:55:28,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:28,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:55:28,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:55:28,318 INFO L87 Difference]: Start difference. First operand 1250 states and 1570 transitions. Second operand 4 states. [2020-11-29 23:55:29,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:29,336 INFO L93 Difference]: Finished difference Result 2885 states and 3573 transitions. [2020-11-29 23:55:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:55:29,336 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-11-29 23:55:29,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:29,344 INFO L225 Difference]: With dead ends: 2885 [2020-11-29 23:55:29,345 INFO L226 Difference]: Without dead ends: 1608 [2020-11-29 23:55:29,347 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 [2020-11-29 23:55:29,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-11-29 23:55:29,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-11-29 23:55:29,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-29 23:55:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1816 transitions. [2020-11-29 23:55:29,389 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1816 transitions. Word has length 112 [2020-11-29 23:55:29,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:29,390 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1816 transitions. [2020-11-29 23:55:29,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:55:29,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1816 transitions. [2020-11-29 23:55:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-29 23:55:29,393 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:29,393 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:29,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:55:29,394 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:29,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1056457492, now seen corresponding path program 1 times [2020-11-29 23:55:29,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:29,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213207729] [2020-11-29 23:55:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:29,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213207729] [2020-11-29 23:55:29,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:29,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:29,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67899366] [2020-11-29 23:55:29,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:29,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:29,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:29,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:29,582 INFO L87 Difference]: Start difference. First operand 1606 states and 1816 transitions. Second operand 3 states. [2020-11-29 23:55:30,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:30,354 INFO L93 Difference]: Finished difference Result 3922 states and 4494 transitions. [2020-11-29 23:55:30,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:30,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-11-29 23:55:30,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:30,368 INFO L225 Difference]: With dead ends: 3922 [2020-11-29 23:55:30,368 INFO L226 Difference]: Without dead ends: 2318 [2020-11-29 23:55:30,370 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 [2020-11-29 23:55:30,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-11-29 23:55:30,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-11-29 23:55:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-11-29 23:55:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2390 transitions. [2020-11-29 23:55:30,421 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2390 transitions. Word has length 206 [2020-11-29 23:55:30,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:30,425 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2390 transitions. [2020-11-29 23:55:30,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:30,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2390 transitions. [2020-11-29 23:55:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-11-29 23:55:30,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:30,432 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:30,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 23:55:30,433 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:30,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:30,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1064146905, now seen corresponding path program 1 times [2020-11-29 23:55:30,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:30,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559740242] [2020-11-29 23:55:30,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-29 23:55:30,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559740242] [2020-11-29 23:55:30,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:30,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:30,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301585737] [2020-11-29 23:55:30,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:55:30,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:30,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:55:30,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:55:30,894 INFO L87 Difference]: Start difference. First operand 2140 states and 2390 transitions. Second operand 4 states. [2020-11-29 23:55:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:31,914 INFO L93 Difference]: Finished difference Result 4336 states and 4860 transitions. [2020-11-29 23:55:31,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:55:31,916 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 323 [2020-11-29 23:55:31,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:31,927 INFO L225 Difference]: With dead ends: 4336 [2020-11-29 23:55:31,928 INFO L226 Difference]: Without dead ends: 2318 [2020-11-29 23:55:31,931 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 [2020-11-29 23:55:31,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-11-29 23:55:32,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-11-29 23:55:32,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-11-29 23:55:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2305 transitions. [2020-11-29 23:55:32,006 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2305 transitions. Word has length 323 [2020-11-29 23:55:32,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:32,007 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2305 transitions. [2020-11-29 23:55:32,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:55:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2305 transitions. [2020-11-29 23:55:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-11-29 23:55:32,015 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:32,016 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:32,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 23:55:32,016 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:32,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:32,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1266104268, now seen corresponding path program 1 times [2020-11-29 23:55:32,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:32,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537745940] [2020-11-29 23:55:32,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 23:55:32,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537745940] [2020-11-29 23:55:32,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:32,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:32,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716920083] [2020-11-29 23:55:32,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:32,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:32,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:32,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:32,418 INFO L87 Difference]: Start difference. First operand 2140 states and 2305 transitions. Second operand 3 states. [2020-11-29 23:55:33,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:33,184 INFO L93 Difference]: Finished difference Result 4456 states and 4866 transitions. [2020-11-29 23:55:33,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:33,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 418 [2020-11-29 23:55:33,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:33,198 INFO L225 Difference]: With dead ends: 4456 [2020-11-29 23:55:33,198 INFO L226 Difference]: Without dead ends: 2496 [2020-11-29 23:55:33,201 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 [2020-11-29 23:55:33,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-11-29 23:55:33,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-11-29 23:55:33,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-29 23:55:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2113 transitions. [2020-11-29 23:55:33,245 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2113 transitions. Word has length 418 [2020-11-29 23:55:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:33,246 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2113 transitions. [2020-11-29 23:55:33,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2113 transitions. [2020-11-29 23:55:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-11-29 23:55:33,254 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:33,254 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:33,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 23:55:33,255 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:33,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:33,255 INFO L82 PathProgramCache]: Analyzing trace with hash -534362359, now seen corresponding path program 1 times [2020-11-29 23:55:33,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:33,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367650281] [2020-11-29 23:55:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 23:55:33,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367650281] [2020-11-29 23:55:33,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:33,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:33,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198617648] [2020-11-29 23:55:33,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:33,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:33,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:33,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:33,609 INFO L87 Difference]: Start difference. First operand 1962 states and 2113 transitions. Second operand 3 states. [2020-11-29 23:55:34,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:34,419 INFO L93 Difference]: Finished difference Result 4456 states and 4867 transitions. [2020-11-29 23:55:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:34,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 425 [2020-11-29 23:55:34,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:34,433 INFO L225 Difference]: With dead ends: 4456 [2020-11-29 23:55:34,433 INFO L226 Difference]: Without dead ends: 2674 [2020-11-29 23:55:34,435 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 [2020-11-29 23:55:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-29 23:55:34,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-11-29 23:55:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-11-29 23:55:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2664 transitions. [2020-11-29 23:55:34,482 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2664 transitions. Word has length 425 [2020-11-29 23:55:34,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:34,483 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2664 transitions. [2020-11-29 23:55:34,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:34,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2664 transitions. [2020-11-29 23:55:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2020-11-29 23:55:34,499 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:34,500 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:34,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 23:55:34,500 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:34,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:34,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1304917472, now seen corresponding path program 1 times [2020-11-29 23:55:34,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:34,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395524319] [2020-11-29 23:55:34,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-11-29 23:55:35,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395524319] [2020-11-29 23:55:35,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:35,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:35,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125330717] [2020-11-29 23:55:35,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:35,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:35,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:35,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:35,041 INFO L87 Difference]: Start difference. First operand 2496 states and 2664 transitions. Second operand 3 states. [2020-11-29 23:55:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:35,747 INFO L93 Difference]: Finished difference Result 5524 states and 5977 transitions. [2020-11-29 23:55:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:35,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 580 [2020-11-29 23:55:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:35,766 INFO L225 Difference]: With dead ends: 5524 [2020-11-29 23:55:35,766 INFO L226 Difference]: Without dead ends: 3208 [2020-11-29 23:55:35,769 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 [2020-11-29 23:55:35,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-11-29 23:55:35,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-11-29 23:55:35,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-11-29 23:55:35,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3230 transitions. [2020-11-29 23:55:35,827 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3230 transitions. Word has length 580 [2020-11-29 23:55:35,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:35,828 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3230 transitions. [2020-11-29 23:55:35,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3230 transitions. [2020-11-29 23:55:35,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-11-29 23:55:35,834 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:35,835 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:35,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 23:55:35,835 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:35,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:35,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1835669971, now seen corresponding path program 1 times [2020-11-29 23:55:35,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:35,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381577483] [2020-11-29 23:55:35,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 717 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-11-29 23:55:36,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381577483] [2020-11-29 23:55:36,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:36,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:36,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337916781] [2020-11-29 23:55:36,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:36,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:36,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:36,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:36,406 INFO L87 Difference]: Start difference. First operand 3030 states and 3230 transitions. Second operand 3 states. [2020-11-29 23:55:37,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:37,072 INFO L93 Difference]: Finished difference Result 6592 states and 7101 transitions. [2020-11-29 23:55:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:37,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 598 [2020-11-29 23:55:37,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:37,090 INFO L225 Difference]: With dead ends: 6592 [2020-11-29 23:55:37,090 INFO L226 Difference]: Without dead ends: 3742 [2020-11-29 23:55:37,094 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 [2020-11-29 23:55:37,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-11-29 23:55:37,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-11-29 23:55:37,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-29 23:55:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3622 transitions. [2020-11-29 23:55:37,168 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3622 transitions. Word has length 598 [2020-11-29 23:55:37,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:37,169 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3622 transitions. [2020-11-29 23:55:37,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3622 transitions. [2020-11-29 23:55:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-11-29 23:55:37,178 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:37,178 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2020-11-29 23:55:37,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 23:55:37,179 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:37,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:37,180 INFO L82 PathProgramCache]: Analyzing trace with hash -892353197, now seen corresponding path program 1 times [2020-11-29 23:55:37,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:37,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184298569] [2020-11-29 23:55:37,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 792 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-29 23:55:37,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184298569] [2020-11-29 23:55:37,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391852015] [2020-11-29 23:55:37,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/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 [2020-11-29 23:55:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:38,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:55:38,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-11-29 23:55:38,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:55:38,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 23:55:38,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530753777] [2020-11-29 23:55:38,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:38,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:38,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:38,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:38,468 INFO L87 Difference]: Start difference. First operand 3386 states and 3622 transitions. Second operand 3 states. [2020-11-29 23:55:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:39,418 INFO L93 Difference]: Finished difference Result 7660 states and 8182 transitions. [2020-11-29 23:55:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:39,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 621 [2020-11-29 23:55:39,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:39,440 INFO L225 Difference]: With dead ends: 7660 [2020-11-29 23:55:39,440 INFO L226 Difference]: Without dead ends: 3564 [2020-11-29 23:55:39,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:39,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-11-29 23:55:39,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-11-29 23:55:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-29 23:55:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3600 transitions. [2020-11-29 23:55:39,533 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3600 transitions. Word has length 621 [2020-11-29 23:55:39,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:39,535 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3600 transitions. [2020-11-29 23:55:39,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3600 transitions. [2020-11-29 23:55:39,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2020-11-29 23:55:39,547 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:39,548 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:39,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 23:55:39,761 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:39,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:39,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1280494018, now seen corresponding path program 1 times [2020-11-29 23:55:39,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:39,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191739501] [2020-11-29 23:55:39,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 1204 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-11-29 23:55:40,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191739501] [2020-11-29 23:55:40,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973814952] [2020-11-29 23:55:40,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/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 [2020-11-29 23:55:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:40,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:55:40,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-11-29 23:55:41,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:55:41,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 23:55:41,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024473736] [2020-11-29 23:55:41,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:41,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:41,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:41,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:41,304 INFO L87 Difference]: Start difference. First operand 3386 states and 3600 transitions. Second operand 3 states. [2020-11-29 23:55:42,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:42,083 INFO L93 Difference]: Finished difference Result 4278 states and 4538 transitions. [2020-11-29 23:55:42,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:42,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 768 [2020-11-29 23:55:42,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:42,107 INFO L225 Difference]: With dead ends: 4278 [2020-11-29 23:55:42,107 INFO L226 Difference]: Without dead ends: 4276 [2020-11-29 23:55:42,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:42,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-11-29 23:55:42,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-11-29 23:55:42,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-29 23:55:42,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-11-29 23:55:42,187 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 768 [2020-11-29 23:55:42,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:42,188 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-11-29 23:55:42,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-11-29 23:55:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2020-11-29 23:55:42,201 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:42,201 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:42,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 23:55:42,429 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:42,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:42,430 INFO L82 PathProgramCache]: Analyzing trace with hash -822710306, now seen corresponding path program 1 times [2020-11-29 23:55:42,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:42,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409705465] [2020-11-29 23:55:42,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:43,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 1675 proven. 110 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2020-11-29 23:55:43,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409705465] [2020-11-29 23:55:43,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741619101] [2020-11-29 23:55:43,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:55:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:43,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:55:43,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-11-29 23:55:43,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:55:43,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 23:55:43,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221757621] [2020-11-29 23:55:43,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:43,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:43,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:43,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:43,917 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-11-29 23:55:44,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:44,610 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-11-29 23:55:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:44,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 799 [2020-11-29 23:55:44,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:44,612 INFO L225 Difference]: With dead ends: 7302 [2020-11-29 23:55:44,612 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:55:44,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 799 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:44,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:55:44,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:55:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:55:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:55:44,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 799 [2020-11-29 23:55:44,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:44,619 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:55:44,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:55:44,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:55:44,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-29 23:55:44,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:55:45,105 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-11-29 23:55:45,276 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-11-29 23:55:45,279 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-29 23:55:45,279 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 23:55:45,280 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-29 23:55:45,281 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-29 23:55:45,282 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-29 23:55:45,284 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-29 23:55:45,284 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,285 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,285 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,285 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-29 23:55:45,287 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 23:55:45,287 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 23:55:45,287 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 23:55:45,287 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-29 23:55:45,287 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-29 23:55:45,287 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-29 23:55:45,288 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-29 23:55:45,288 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,288 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,288 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,288 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-29 23:55:45,288 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-29 23:55:45,288 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 23:55:45,289 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 23:55:45,289 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 23:55:45,289 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-29 23:55:45,289 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-29 23:55:45,289 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-29 23:55:45,289 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,289 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,289 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,290 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-29 23:55:45,290 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 23:55:45,290 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 23:55:45,290 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 23:55:45,290 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-29 23:55:45,290 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-29 23:55:45,290 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-29 23:55:45,291 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-29 23:55:45,291 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-29 23:55:45,291 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,291 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,292 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,292 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-29 23:55:45,292 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 23:55:45,292 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 23:55:45,292 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 23:55:45,293 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-29 23:55:45,293 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-29 23:55:45,293 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-29 23:55:45,293 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:55:45,293 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,293 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,293 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,293 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-29 23:55:45,294 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 23:55:45,294 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 23:55:45,294 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 23:55:45,294 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-29 23:55:45,294 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-29 23:55:45,294 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-29 23:55:45,294 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-29 23:55:45,295 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-29 23:55:45,295 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,295 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,295 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,295 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-29 23:55:45,295 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 23:55:45,295 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 23:55:45,296 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 23:55:45,296 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-29 23:55:45,296 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-29 23:55:45,296 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-29 23:55:45,297 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-29 23:55:45,297 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,297 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,298 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,298 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 23:55:45,298 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 23:55:45,298 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 23:55:45,298 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:55:45,298 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-29 23:55:45,299 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 23:55:45,299 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-29 23:55:45,299 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-29 23:55:45,299 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-29 23:55:45,299 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-29 23:55:45,299 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,300 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,300 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,300 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-29 23:55:45,300 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-29 23:55:45,300 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 23:55:45,300 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 23:55:45,300 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 23:55:45,300 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-29 23:55:45,301 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-29 23:55:45,301 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-29 23:55:45,301 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,301 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,301 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,301 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 23:55:45,301 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 23:55:45,302 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 23:55:45,302 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-29 23:55:45,302 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-29 23:55:45,302 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-29 23:55:45,302 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-29 23:55:45,302 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-29 23:55:45,302 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,302 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,303 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,303 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-29 23:55:45,303 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-29 23:55:45,303 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 23:55:45,303 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 23:55:45,303 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 23:55:45,303 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-29 23:55:45,303 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-29 23:55:45,304 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-29 23:55:45,304 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,304 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,304 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,304 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-29 23:55:45,304 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 23:55:45,304 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 23:55:45,305 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 23:55:45,305 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-29 23:55:45,305 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-29 23:55:45,305 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 23:55:45,305 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-29 23:55:45,305 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-29 23:55:45,305 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,306 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,306 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,306 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-29 23:55:45,306 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 23:55:45,306 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 23:55:45,306 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 23:55:45,306 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-29 23:55:45,306 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-29 23:55:45,307 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-29 23:55:45,307 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-29 23:55:45,307 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,307 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,307 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-29 23:55:45,307 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 23:55:45,307 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 23:55:45,308 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-29 23:55:45,308 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-29 23:55:45,308 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-29 23:55:45,308 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-29 23:55:45,308 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-29 23:55:45,308 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,308 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,308 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-29 23:55:45,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:55:45,309 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 23:55:45,309 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 23:55:45,309 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-29 23:55:45,309 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-29 23:55:45,309 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-29 23:55:45,309 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,310 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,312 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-29 23:55:45,312 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-29 23:55:45,312 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-29 23:55:45,312 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 23:55:45,312 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 23:55:45,312 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-29 23:55:45,313 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-29 23:55:45,313 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-29 23:55:45,313 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-29 23:55:45,313 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,313 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,313 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-29 23:55:45,313 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-29 23:55:45,314 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-29 23:55:45,314 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 23:55:45,314 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 23:55:45,314 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-29 23:55:45,314 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-29 23:55:45,314 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-29 23:55:45,314 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,314 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,315 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:55:45,315 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-29 23:55:45,315 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-29 23:55:45,315 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 23:55:45,315 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 23:55:45,315 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-29 23:55:45,315 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-29 23:55:45,316 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,316 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,316 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 23:55:45,316 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,316 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-29 23:55:45,316 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-29 23:55:45,316 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-29 23:55:45,317 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-29 23:55:45,317 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 23:55:45,317 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 23:55:45,317 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 23:55:45,317 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-29 23:55:45,317 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-29 23:55:45,317 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-29 23:55:45,318 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-29 23:55:45,318 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,318 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,318 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-29 23:55:45,318 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-29 23:55:45,318 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 23:55:45,318 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 23:55:45,319 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 23:55:45,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:55:45 BoogieIcfgContainer [2020-11-29 23:55:45,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:55:45,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:55:45,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:55:45,356 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:55:45,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:22" (3/4) ... [2020-11-29 23:55:45,361 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:55:45,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 23:55:45,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:55:45,404 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:55:45,405 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:55:45,592 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3216d85b-89e1-464a-aab3-b65f4617b26d/bin/uautomizer/witness.graphml [2020-11-29 23:55:45,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:55:45,593 INFO L168 Benchmark]: Toolchain (without parser) took 25910.70 ms. Allocated memory was 88.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 55.5 MB in the beginning and 654.4 MB in the end (delta: -598.8 MB). Peak memory consumption was 523.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:45,594 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 71.3 MB. Free memory is still 33.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:55:45,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.67 ms. Allocated memory is still 88.1 MB. Free memory was 55.5 MB in the beginning and 43.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:45,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.94 ms. Allocated memory is still 88.1 MB. Free memory was 43.4 MB in the beginning and 33.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:45,595 INFO L168 Benchmark]: Boogie Preprocessor took 163.36 ms. Allocated memory is still 88.1 MB. Free memory was 33.8 MB in the beginning and 58.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:45,595 INFO L168 Benchmark]: RCFGBuilder took 1575.25 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 58.0 MB in the beginning and 63.0 MB in the end (delta: -5.1 MB). Peak memory consumption was 45.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:45,596 INFO L168 Benchmark]: TraceAbstraction took 23062.09 ms. Allocated memory was 109.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 62.3 MB in the beginning and 673.2 MB in the end (delta: -610.9 MB). Peak memory consumption was 489.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:45,596 INFO L168 Benchmark]: Witness Printer took 236.50 ms. Allocated memory is still 1.2 GB. Free memory was 673.2 MB in the beginning and 654.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:45,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 71.3 MB. Free memory is still 33.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 728.67 ms. Allocated memory is still 88.1 MB. Free memory was 55.5 MB in the beginning and 43.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.94 ms. Allocated memory is still 88.1 MB. Free memory was 43.4 MB in the beginning and 33.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 163.36 ms. Allocated memory is still 88.1 MB. Free memory was 33.8 MB in the beginning and 58.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1575.25 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 58.0 MB in the beginning and 63.0 MB in the end (delta: -5.1 MB). Peak memory consumption was 45.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23062.09 ms. Allocated memory was 109.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 62.3 MB in the beginning and 673.2 MB in the end (delta: -610.9 MB). Peak memory consumption was 489.4 MB. Max. memory is 16.1 GB. * Witness Printer took 236.50 ms. Allocated memory is still 1.2 GB. Free memory was 673.2 MB in the beginning and 654.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.4s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1921 SDtfs, 2049 SDslu, 79 SDs, 0 SdLazy, 7188 SolverSat, 968 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2228 GetRequests, 2204 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 2676 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1870 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 282 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 7366 NumberOfCodeBlocks, 7366 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7349 ConstructedInterpolants, 0 QuantifiedInterpolants, 7792837 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2802 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 13916/14291 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...