./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC --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 3e3b23830164ac928865389816d61d6dc5db2013 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:29:51,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:51,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:51,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:51,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:51,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:51,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:51,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:51,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:51,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:51,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:51,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:51,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:51,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:51,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:51,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:51,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:51,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:51,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:51,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:51,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:51,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:51,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:51,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:51,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:51,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:51,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:51,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:51,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:51,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:51,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:51,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:51,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:51,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:51,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:51,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:51,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:51,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:51,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:51,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:51,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:51,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:29:51,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:51,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:51,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:51,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:51,125 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:51,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:51,126 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:51,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:51,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:51,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:51,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:51,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:51,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:51,127 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:51,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:51,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:51,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:51,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:51,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:51,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:51,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:51,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:51,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:51,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:51,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:51,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:29:51,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:51,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:51,130 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_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e3b23830164ac928865389816d61d6dc5db2013 [2021-10-11 00:29:51,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:51,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:51,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:51,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:51,448 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:51,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2021-10-11 00:29:51,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/data/40abdabb4/3ab41886a2974cd3a20405d6f3bf5458/FLAGc6b1765a8 [2021-10-11 00:29:52,216 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:52,216 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2021-10-11 00:29:52,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/data/40abdabb4/3ab41886a2974cd3a20405d6f3bf5458/FLAGc6b1765a8 [2021-10-11 00:29:52,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/data/40abdabb4/3ab41886a2974cd3a20405d6f3bf5458 [2021-10-11 00:29:52,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:52,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:52,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:52,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:52,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:52,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:52" (1/1) ... [2021-10-11 00:29:52,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f15df95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:52, skipping insertion in model container [2021-10-11 00:29:52,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:52" (1/1) ... [2021-10-11 00:29:52,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:52,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:52,869 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2021-10-11 00:29:53,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:53,152 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:53,180 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2021-10-11 00:29:53,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:53,365 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:53,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53 WrapperNode [2021-10-11 00:29:53,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:53,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:53,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:53,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:53,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... [2021-10-11 00:29:53,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... [2021-10-11 00:29:53,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:53,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:53,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:53,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:53,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... [2021-10-11 00:29:53,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... [2021-10-11 00:29:53,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... [2021-10-11 00:29:53,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... [2021-10-11 00:29:53,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... [2021-10-11 00:29:53,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... [2021-10-11 00:29:53,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... [2021-10-11 00:29:53,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:53,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:53,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:53,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:53,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:29:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:55,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:55,387 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:29:55,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:55 BoogieIcfgContainer [2021-10-11 00:29:55,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:55,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:55,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:55,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:55,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:52" (1/3) ... [2021-10-11 00:29:55,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e0dfa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:55, skipping insertion in model container [2021-10-11 00:29:55,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:53" (2/3) ... [2021-10-11 00:29:55,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e0dfa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:55, skipping insertion in model container [2021-10-11 00:29:55,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:55" (3/3) ... [2021-10-11 00:29:55,402 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label03.c [2021-10-11 00:29:55,418 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:55,422 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:29:55,434 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:29:55,478 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:55,479 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:55,479 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:55,479 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:55,479 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:55,479 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:55,480 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:55,480 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2021-10-11 00:29:55,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:29:55,520 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:55,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:55,521 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:55,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:55,527 INFO L82 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2021-10-11 00:29:55,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:55,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126622028] [2021-10-11 00:29:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:55,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126622028] [2021-10-11 00:29:55,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:55,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:55,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204969769] [2021-10-11 00:29:55,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:55,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:55,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:55,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:55,972 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2021-10-11 00:29:57,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:57,285 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2021-10-11 00:29:57,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:57,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-10-11 00:29:57,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:57,318 INFO L225 Difference]: With dead ends: 669 [2021-10-11 00:29:57,318 INFO L226 Difference]: Without dead ends: 360 [2021-10-11 00:29:57,326 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 [2021-10-11 00:29:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-10-11 00:29:57,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-10-11 00:29:57,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2021-10-11 00:29:57,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2021-10-11 00:29:57,420 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 51 [2021-10-11 00:29:57,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:57,421 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2021-10-11 00:29:57,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2021-10-11 00:29:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-10-11 00:29:57,433 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:57,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:57,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:29:57,434 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:57,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:57,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1750650828, now seen corresponding path program 1 times [2021-10-11 00:29:57,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:57,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811001240] [2021-10-11 00:29:57,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:57,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811001240] [2021-10-11 00:29:57,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:57,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:57,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388976983] [2021-10-11 00:29:57,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:57,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:57,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:57,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:57,611 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2021-10-11 00:29:58,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:58,604 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2021-10-11 00:29:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:58,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2021-10-11 00:29:58,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:58,610 INFO L225 Difference]: With dead ends: 1074 [2021-10-11 00:29:58,611 INFO L226 Difference]: Without dead ends: 716 [2021-10-11 00:29:58,612 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 [2021-10-11 00:29:58,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-10-11 00:29:58,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2021-10-11 00:29:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2021-10-11 00:29:58,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 838 transitions. [2021-10-11 00:29:58,636 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 838 transitions. Word has length 116 [2021-10-11 00:29:58,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:58,637 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 838 transitions. [2021-10-11 00:29:58,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 838 transitions. [2021-10-11 00:29:58,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-10-11 00:29:58,639 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:58,640 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:29:58,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:29:58,640 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:58,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:58,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1002073487, now seen corresponding path program 1 times [2021-10-11 00:29:58,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:58,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520341199] [2021-10-11 00:29:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:58,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520341199] [2021-10-11 00:29:58,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:58,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:58,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139904782] [2021-10-11 00:29:58,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:29:58,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:58,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:29:58,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:29:58,895 INFO L87 Difference]: Start difference. First operand 538 states and 838 transitions. Second operand 4 states. [2021-10-11 00:30:00,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:00,537 INFO L93 Difference]: Finished difference Result 1788 states and 2802 transitions. [2021-10-11 00:30:00,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:30:00,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2021-10-11 00:30:00,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:00,549 INFO L225 Difference]: With dead ends: 1788 [2021-10-11 00:30:00,550 INFO L226 Difference]: Without dead ends: 1252 [2021-10-11 00:30:00,551 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 [2021-10-11 00:30:00,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2021-10-11 00:30:00,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2021-10-11 00:30:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2021-10-11 00:30:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1617 transitions. [2021-10-11 00:30:00,581 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1617 transitions. Word has length 130 [2021-10-11 00:30:00,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:00,582 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1617 transitions. [2021-10-11 00:30:00,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:30:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1617 transitions. [2021-10-11 00:30:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-10-11 00:30:00,586 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:00,587 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:30:00,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:30:00,587 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:00,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:00,588 INFO L82 PathProgramCache]: Analyzing trace with hash 313256988, now seen corresponding path program 1 times [2021-10-11 00:30:00,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:00,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237929912] [2021-10-11 00:30:00,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-11 00:30:00,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237929912] [2021-10-11 00:30:00,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:00,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:00,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704460031] [2021-10-11 00:30:00,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:30:00,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:00,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:30:00,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:30:00,842 INFO L87 Difference]: Start difference. First operand 1250 states and 1617 transitions. Second operand 4 states. [2021-10-11 00:30:02,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:02,056 INFO L93 Difference]: Finished difference Result 2707 states and 3620 transitions. [2021-10-11 00:30:02,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:30:02,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2021-10-11 00:30:02,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:02,067 INFO L225 Difference]: With dead ends: 2707 [2021-10-11 00:30:02,067 INFO L226 Difference]: Without dead ends: 1608 [2021-10-11 00:30:02,069 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 [2021-10-11 00:30:02,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2021-10-11 00:30:02,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2021-10-11 00:30:02,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2021-10-11 00:30:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1825 transitions. [2021-10-11 00:30:02,108 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1825 transitions. Word has length 210 [2021-10-11 00:30:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:02,109 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1825 transitions. [2021-10-11 00:30:02,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:30:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1825 transitions. [2021-10-11 00:30:02,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-10-11 00:30:02,115 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:02,115 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:02,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:30:02,116 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:02,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:02,117 INFO L82 PathProgramCache]: Analyzing trace with hash 514746580, now seen corresponding path program 1 times [2021-10-11 00:30:02,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:02,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744070035] [2021-10-11 00:30:02,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:02,451 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-11 00:30:02,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744070035] [2021-10-11 00:30:02,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:02,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:02,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053699562] [2021-10-11 00:30:02,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:02,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:02,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:02,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:02,454 INFO L87 Difference]: Start difference. First operand 1606 states and 1825 transitions. Second operand 3 states. [2021-10-11 00:30:03,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:03,303 INFO L93 Difference]: Finished difference Result 3210 states and 3695 transitions. [2021-10-11 00:30:03,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:03,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2021-10-11 00:30:03,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:03,314 INFO L225 Difference]: With dead ends: 3210 [2021-10-11 00:30:03,315 INFO L226 Difference]: Without dead ends: 1784 [2021-10-11 00:30:03,317 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 [2021-10-11 00:30:03,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2021-10-11 00:30:03,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2021-10-11 00:30:03,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2021-10-11 00:30:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2032 transitions. [2021-10-11 00:30:03,364 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2032 transitions. Word has length 341 [2021-10-11 00:30:03,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:03,365 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2032 transitions. [2021-10-11 00:30:03,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2032 transitions. [2021-10-11 00:30:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-10-11 00:30:03,372 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:03,373 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:03,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:30:03,373 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:03,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:03,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1530675252, now seen corresponding path program 1 times [2021-10-11 00:30:03,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:03,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049126016] [2021-10-11 00:30:03,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 201 proven. 130 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-10-11 00:30:03,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049126016] [2021-10-11 00:30:03,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642820188] [2021-10-11 00:30:03,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:30:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:03,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:30:04,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-10-11 00:30:04,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:30:04,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-10-11 00:30:04,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083011899] [2021-10-11 00:30:04,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:04,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:04,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:04,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:30:04,766 INFO L87 Difference]: Start difference. First operand 1784 states and 2032 transitions. Second operand 3 states. [2021-10-11 00:30:05,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:05,620 INFO L93 Difference]: Finished difference Result 3744 states and 4387 transitions. [2021-10-11 00:30:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:05,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 344 [2021-10-11 00:30:05,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:05,637 INFO L225 Difference]: With dead ends: 3744 [2021-10-11 00:30:05,638 INFO L226 Difference]: Without dead ends: 2140 [2021-10-11 00:30:05,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:30:05,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2021-10-11 00:30:05,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2021-10-11 00:30:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-10-11 00:30:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2410 transitions. [2021-10-11 00:30:05,690 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2410 transitions. Word has length 344 [2021-10-11 00:30:05,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:05,690 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2410 transitions. [2021-10-11 00:30:05,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:05,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2410 transitions. [2021-10-11 00:30:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2021-10-11 00:30:05,699 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:05,706 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1] [2021-10-11 00:30:05,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-11 00:30:05,920 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:05,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:05,921 INFO L82 PathProgramCache]: Analyzing trace with hash 262542689, now seen corresponding path program 1 times [2021-10-11 00:30:05,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:05,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517514333] [2021-10-11 00:30:05,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-10-11 00:30:06,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517514333] [2021-10-11 00:30:06,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:06,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:06,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995552263] [2021-10-11 00:30:06,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:30:06,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:06,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:30:06,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:30:06,413 INFO L87 Difference]: Start difference. First operand 2140 states and 2410 transitions. Second operand 4 states. [2021-10-11 00:30:07,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:07,321 INFO L93 Difference]: Finished difference Result 4307 states and 4869 transitions. [2021-10-11 00:30:07,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:30:07,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 421 [2021-10-11 00:30:07,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:07,335 INFO L225 Difference]: With dead ends: 4307 [2021-10-11 00:30:07,335 INFO L226 Difference]: Without dead ends: 2318 [2021-10-11 00:30:07,338 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 [2021-10-11 00:30:07,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2021-10-11 00:30:07,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2021-10-11 00:30:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-10-11 00:30:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2328 transitions. [2021-10-11 00:30:07,387 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2328 transitions. Word has length 421 [2021-10-11 00:30:07,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:07,388 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2328 transitions. [2021-10-11 00:30:07,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:30:07,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2328 transitions. [2021-10-11 00:30:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-10-11 00:30:07,397 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:07,398 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-10-11 00:30:07,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:30:07,398 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:07,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:07,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1515068160, now seen corresponding path program 2 times [2021-10-11 00:30:07,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:07,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747238410] [2021-10-11 00:30:07,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-10-11 00:30:07,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747238410] [2021-10-11 00:30:07,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:07,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:07,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871483925] [2021-10-11 00:30:07,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:07,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:07,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:07,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:07,796 INFO L87 Difference]: Start difference. First operand 2140 states and 2328 transitions. Second operand 3 states. [2021-10-11 00:30:08,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:08,553 INFO L93 Difference]: Finished difference Result 4456 states and 4912 transitions. [2021-10-11 00:30:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:08,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 447 [2021-10-11 00:30:08,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:08,567 INFO L225 Difference]: With dead ends: 4456 [2021-10-11 00:30:08,567 INFO L226 Difference]: Without dead ends: 2496 [2021-10-11 00:30:08,570 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 [2021-10-11 00:30:08,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2021-10-11 00:30:08,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2021-10-11 00:30:08,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-10-11 00:30:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2326 transitions. [2021-10-11 00:30:08,619 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2326 transitions. Word has length 447 [2021-10-11 00:30:08,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:08,620 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2326 transitions. [2021-10-11 00:30:08,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2326 transitions. [2021-10-11 00:30:08,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2021-10-11 00:30:08,631 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:08,631 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-10-11 00:30:08,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:30:08,632 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:08,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:08,633 INFO L82 PathProgramCache]: Analyzing trace with hash 284431623, now seen corresponding path program 1 times [2021-10-11 00:30:08,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:08,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689865790] [2021-10-11 00:30:08,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-10-11 00:30:08,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689865790] [2021-10-11 00:30:08,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:08,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:08,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245267947] [2021-10-11 00:30:08,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:08,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:08,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:08,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:08,946 INFO L87 Difference]: Start difference. First operand 2140 states and 2326 transitions. Second operand 3 states. [2021-10-11 00:30:09,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:09,757 INFO L93 Difference]: Finished difference Result 4990 states and 5486 transitions. [2021-10-11 00:30:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:09,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 454 [2021-10-11 00:30:09,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:09,775 INFO L225 Difference]: With dead ends: 4990 [2021-10-11 00:30:09,775 INFO L226 Difference]: Without dead ends: 3030 [2021-10-11 00:30:09,778 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 [2021-10-11 00:30:09,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-10-11 00:30:09,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2021-10-11 00:30:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2021-10-11 00:30:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3087 transitions. [2021-10-11 00:30:09,846 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3087 transitions. Word has length 454 [2021-10-11 00:30:09,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:09,847 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3087 transitions. [2021-10-11 00:30:09,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:09,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3087 transitions. [2021-10-11 00:30:09,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-10-11 00:30:09,859 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:09,859 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:09,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:30:09,860 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:09,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:09,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1246091326, now seen corresponding path program 1 times [2021-10-11 00:30:09,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:09,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203467087] [2021-10-11 00:30:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 445 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-11 00:30:10,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203467087] [2021-10-11 00:30:10,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514701558] [2021-10-11 00:30:10,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:30:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:10,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:30:10,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-10-11 00:30:11,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:30:11,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-11 00:30:11,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774432541] [2021-10-11 00:30:11,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:11,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:11,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:11,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:11,375 INFO L87 Difference]: Start difference. First operand 2852 states and 3087 transitions. Second operand 3 states. [2021-10-11 00:30:11,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:11,979 INFO L93 Difference]: Finished difference Result 3566 states and 3844 transitions. [2021-10-11 00:30:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:11,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2021-10-11 00:30:11,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:12,001 INFO L225 Difference]: With dead ends: 3566 [2021-10-11 00:30:12,002 INFO L226 Difference]: Without dead ends: 3564 [2021-10-11 00:30:12,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:12,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2021-10-11 00:30:12,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 2852. [2021-10-11 00:30:12,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2021-10-11 00:30:12,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3087 transitions. [2021-10-11 00:30:12,079 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3087 transitions. Word has length 499 [2021-10-11 00:30:12,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:12,080 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3087 transitions. [2021-10-11 00:30:12,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:12,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3087 transitions. [2021-10-11 00:30:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-10-11 00:30:12,117 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:12,118 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:12,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:30:12,319 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:12,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:12,319 INFO L82 PathProgramCache]: Analyzing trace with hash 811415467, now seen corresponding path program 1 times [2021-10-11 00:30:12,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:12,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114793226] [2021-10-11 00:30:12,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 314 proven. 195 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2021-10-11 00:30:13,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114793226] [2021-10-11 00:30:13,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319318555] [2021-10-11 00:30:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:30:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:13,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:30:13,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2021-10-11 00:30:14,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:30:14,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-11 00:30:14,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049452658] [2021-10-11 00:30:14,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:14,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:14,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:14,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:14,532 INFO L87 Difference]: Start difference. First operand 2852 states and 3087 transitions. Second operand 3 states. [2021-10-11 00:30:15,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:15,369 INFO L93 Difference]: Finished difference Result 3210 states and 3525 transitions. [2021-10-11 00:30:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:15,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 581 [2021-10-11 00:30:15,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:15,386 INFO L225 Difference]: With dead ends: 3210 [2021-10-11 00:30:15,386 INFO L226 Difference]: Without dead ends: 3208 [2021-10-11 00:30:15,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:15,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-10-11 00:30:15,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2021-10-11 00:30:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2021-10-11 00:30:15,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3086 transitions. [2021-10-11 00:30:15,450 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3086 transitions. Word has length 581 [2021-10-11 00:30:15,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:15,451 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3086 transitions. [2021-10-11 00:30:15,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3086 transitions. [2021-10-11 00:30:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2021-10-11 00:30:15,459 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:15,459 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:15,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-11 00:30:15,684 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:15,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:15,685 INFO L82 PathProgramCache]: Analyzing trace with hash -428498160, now seen corresponding path program 1 times [2021-10-11 00:30:15,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:15,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664065580] [2021-10-11 00:30:15,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 926 proven. 195 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-11 00:30:16,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664065580] [2021-10-11 00:30:16,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871570229] [2021-10-11 00:30:16,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:30:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:16,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:30:16,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2021-10-11 00:30:17,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:30:17,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-11 00:30:17,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625899505] [2021-10-11 00:30:17,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:17,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:17,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:17,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:17,510 INFO L87 Difference]: Start difference. First operand 2852 states and 3086 transitions. Second operand 3 states. [2021-10-11 00:30:18,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:18,246 INFO L93 Difference]: Finished difference Result 6770 states and 7406 transitions. [2021-10-11 00:30:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:18,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 628 [2021-10-11 00:30:18,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:18,268 INFO L225 Difference]: With dead ends: 6770 [2021-10-11 00:30:18,269 INFO L226 Difference]: Without dead ends: 4098 [2021-10-11 00:30:18,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:18,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2021-10-11 00:30:18,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2021-10-11 00:30:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2021-10-11 00:30:18,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4259 transitions. [2021-10-11 00:30:18,352 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4259 transitions. Word has length 628 [2021-10-11 00:30:18,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:18,353 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4259 transitions. [2021-10-11 00:30:18,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4259 transitions. [2021-10-11 00:30:18,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2021-10-11 00:30:18,362 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:18,362 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:18,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:30:18,583 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:18,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:18,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1486305880, now seen corresponding path program 1 times [2021-10-11 00:30:18,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:18,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111945627] [2021-10-11 00:30:18,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 970 proven. 195 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-11 00:30:19,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111945627] [2021-10-11 00:30:19,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422427234] [2021-10-11 00:30:19,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:30:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:19,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:30:19,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2021-10-11 00:30:21,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:30:21,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-10-11 00:30:21,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84091494] [2021-10-11 00:30:21,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:21,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:21,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:21,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:21,114 INFO L87 Difference]: Start difference. First operand 3920 states and 4259 transitions. Second operand 3 states. [2021-10-11 00:30:21,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:21,706 INFO L93 Difference]: Finished difference Result 7838 states and 8530 transitions. [2021-10-11 00:30:21,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:21,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 653 [2021-10-11 00:30:21,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:21,726 INFO L225 Difference]: With dead ends: 7838 [2021-10-11 00:30:21,727 INFO L226 Difference]: Without dead ends: 4098 [2021-10-11 00:30:21,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:21,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2021-10-11 00:30:21,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2021-10-11 00:30:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2021-10-11 00:30:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4428 transitions. [2021-10-11 00:30:21,799 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4428 transitions. Word has length 653 [2021-10-11 00:30:21,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:21,800 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4428 transitions. [2021-10-11 00:30:21,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4428 transitions. [2021-10-11 00:30:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2021-10-11 00:30:21,808 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:21,809 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:22,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-11 00:30:22,024 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:22,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:22,025 INFO L82 PathProgramCache]: Analyzing trace with hash -590297812, now seen corresponding path program 1 times [2021-10-11 00:30:22,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:22,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757962776] [2021-10-11 00:30:22,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 966 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-10-11 00:30:22,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757962776] [2021-10-11 00:30:22,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:22,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:22,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397535656] [2021-10-11 00:30:22,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:22,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:22,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:22,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:22,563 INFO L87 Difference]: Start difference. First operand 4098 states and 4428 transitions. Second operand 3 states. [2021-10-11 00:30:23,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:23,248 INFO L93 Difference]: Finished difference Result 8550 states and 9293 transitions. [2021-10-11 00:30:23,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:23,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 675 [2021-10-11 00:30:23,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:23,259 INFO L225 Difference]: With dead ends: 8550 [2021-10-11 00:30:23,259 INFO L226 Difference]: Without dead ends: 4632 [2021-10-11 00:30:23,264 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 [2021-10-11 00:30:23,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states. [2021-10-11 00:30:23,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 4632. [2021-10-11 00:30:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2021-10-11 00:30:23,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4950 transitions. [2021-10-11 00:30:23,338 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4950 transitions. Word has length 675 [2021-10-11 00:30:23,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:23,339 INFO L481 AbstractCegarLoop]: Abstraction has 4632 states and 4950 transitions. [2021-10-11 00:30:23,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4950 transitions. [2021-10-11 00:30:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 831 [2021-10-11 00:30:23,349 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:23,350 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:23,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:30:23,350 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:23,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:23,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1386667544, now seen corresponding path program 1 times [2021-10-11 00:30:23,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:23,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580624478] [2021-10-11 00:30:23,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:24,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 1463 proven. 155 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-10-11 00:30:24,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580624478] [2021-10-11 00:30:24,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466473800] [2021-10-11 00:30:24,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:30:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:24,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:30:24,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 1463 proven. 155 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-10-11 00:30:25,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:30:25,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-11 00:30:25,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846949573] [2021-10-11 00:30:25,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:30:25,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:25,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:30:25,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:30:25,950 INFO L87 Difference]: Start difference. First operand 4632 states and 4950 transitions. Second operand 4 states. [2021-10-11 00:30:27,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:27,012 INFO L93 Difference]: Finished difference Result 10152 states and 10858 transitions. [2021-10-11 00:30:27,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:30:27,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 830 [2021-10-11 00:30:27,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:27,027 INFO L225 Difference]: With dead ends: 10152 [2021-10-11 00:30:27,027 INFO L226 Difference]: Without dead ends: 5700 [2021-10-11 00:30:27,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 831 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:30:27,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2021-10-11 00:30:27,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5344. [2021-10-11 00:30:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2021-10-11 00:30:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5692 transitions. [2021-10-11 00:30:27,147 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5692 transitions. Word has length 830 [2021-10-11 00:30:27,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:27,148 INFO L481 AbstractCegarLoop]: Abstraction has 5344 states and 5692 transitions. [2021-10-11 00:30:27,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:30:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5692 transitions. [2021-10-11 00:30:27,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2021-10-11 00:30:27,159 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:27,160 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, 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, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:27,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:30:27,388 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:27,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:27,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1338545778, now seen corresponding path program 1 times [2021-10-11 00:30:27,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:27,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905068219] [2021-10-11 00:30:27,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1800 proven. 260 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-10-11 00:30:28,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905068219] [2021-10-11 00:30:28,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109866174] [2021-10-11 00:30:28,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:30:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:28,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:30:29,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1851 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2021-10-11 00:30:30,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:30:30,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-11 00:30:30,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312471688] [2021-10-11 00:30:30,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:30,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:30,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:30,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:30,538 INFO L87 Difference]: Start difference. First operand 5344 states and 5692 transitions. Second operand 3 states. [2021-10-11 00:30:31,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:31,159 INFO L93 Difference]: Finished difference Result 10684 states and 11390 transitions. [2021-10-11 00:30:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:31,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 881 [2021-10-11 00:30:31,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:31,161 INFO L225 Difference]: With dead ends: 10684 [2021-10-11 00:30:31,161 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:30:31,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 880 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:31,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:30:31,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:30:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:30:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:30:31,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 881 [2021-10-11 00:30:31,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:31,169 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:30:31,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:31,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:30:31,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:30:31,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-11 00:30:31,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:30:31,634 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2021-10-11 00:30:31,782 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2021-10-11 00:30:31,786 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-10-11 00:30:31,786 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2021-10-11 00:30:31,786 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-10-11 00:30:31,786 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-10-11 00:30:31,787 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-10-11 00:30:31,787 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,787 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,787 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,787 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-10-11 00:30:31,787 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-10-11 00:30:31,787 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-11 00:30:31,788 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-11 00:30:31,788 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-11 00:30:31,788 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-10-11 00:30:31,788 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-10-11 00:30:31,788 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-10-11 00:30:31,788 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,788 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,788 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,788 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-10-11 00:30:31,789 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-11 00:30:31,789 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-11 00:30:31,789 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-11 00:30:31,789 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-10-11 00:30:31,789 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-10-11 00:30:31,789 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-10-11 00:30:31,789 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-10-11 00:30:31,789 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-10-11 00:30:31,790 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,790 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,790 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,790 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-10-11 00:30:31,790 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-11 00:30:31,790 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-11 00:30:31,790 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-11 00:30:31,790 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-10-11 00:30:31,791 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-10-11 00:30:31,791 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-10-11 00:30:31,791 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,791 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,791 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,791 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-10-11 00:30:31,791 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-11 00:30:31,791 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-11 00:30:31,792 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-11 00:30:31,792 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-10-11 00:30:31,792 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-10-11 00:30:31,792 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-10-11 00:30:31,792 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-10-11 00:30:31,792 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,792 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,792 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,793 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-10-11 00:30:31,793 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-10-11 00:30:31,793 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-11 00:30:31,793 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-11 00:30:31,793 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-11 00:30:31,793 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-10-11 00:30:31,793 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-10-11 00:30:31,793 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-10-11 00:30:31,794 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,794 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,794 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,794 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-10-11 00:30:31,794 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-11 00:30:31,794 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-11 00:30:31,794 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-11 00:30:31,794 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-10-11 00:30:31,794 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-10-11 00:30:31,795 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-10-11 00:30:31,795 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-10-11 00:30:31,795 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-10-11 00:30:31,795 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,795 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,795 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,795 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-10-11 00:30:31,795 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-11 00:30:31,796 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-11 00:30:31,796 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-11 00:30:31,796 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-10-11 00:30:31,796 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-10-11 00:30:31,796 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-10-11 00:30:31,796 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:30:31,796 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,796 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,797 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,797 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-10-11 00:30:31,797 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-11 00:30:31,797 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-11 00:30:31,797 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-11 00:30:31,797 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-10-11 00:30:31,797 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-10-11 00:30:31,797 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-10-11 00:30:31,797 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-10-11 00:30:31,798 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-10-11 00:30:31,798 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,798 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,798 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,798 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-10-11 00:30:31,798 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-11 00:30:31,798 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-11 00:30:31,798 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-11 00:30:31,799 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-10-11 00:30:31,799 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-10-11 00:30:31,799 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-10-11 00:30:31,799 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-10-11 00:30:31,799 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,799 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,799 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,799 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-11 00:30:31,799 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-11 00:30:31,800 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-11 00:30:31,800 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:30:31,800 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-10-11 00:30:31,800 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2021-10-11 00:30:31,800 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-10-11 00:30:31,800 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-10-11 00:30:31,800 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-10-11 00:30:31,800 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-10-11 00:30:31,801 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,801 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,801 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,801 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-10-11 00:30:31,801 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-10-11 00:30:31,801 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-11 00:30:31,801 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-11 00:30:31,801 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-11 00:30:31,802 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-10-11 00:30:31,802 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-10-11 00:30:31,802 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-10-11 00:30:31,802 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,802 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,802 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,802 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-11 00:30:31,802 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-11 00:30:31,802 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-11 00:30:31,803 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-10-11 00:30:31,803 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-10-11 00:30:31,803 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-10-11 00:30:31,803 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-10-11 00:30:31,803 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-10-11 00:30:31,803 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,803 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,803 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,803 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-10-11 00:30:31,804 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-10-11 00:30:31,804 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-11 00:30:31,804 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-11 00:30:31,804 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-11 00:30:31,804 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-10-11 00:30:31,804 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-10-11 00:30:31,804 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-10-11 00:30:31,804 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,805 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,805 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,805 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-10-11 00:30:31,805 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-11 00:30:31,805 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-11 00:30:31,805 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-11 00:30:31,805 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-10-11 00:30:31,805 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-10-11 00:30:31,805 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-10-11 00:30:31,806 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-10-11 00:30:31,806 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,806 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,806 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,806 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-10-11 00:30:31,806 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-11 00:30:31,806 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-11 00:30:31,806 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-11 00:30:31,807 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-10-11 00:30:31,807 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-10-11 00:30:31,807 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-10-11 00:30:31,807 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-10-11 00:30:31,807 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,807 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,807 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-10-11 00:30:31,807 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-11 00:30:31,808 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-11 00:30:31,808 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-10-11 00:30:31,808 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-10-11 00:30:31,808 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-10-11 00:30:31,808 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-10-11 00:30:31,808 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-10-11 00:30:31,808 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,808 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,808 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-10-11 00:30:31,809 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:30:31,809 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-11 00:30:31,809 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-11 00:30:31,809 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-10-11 00:30:31,809 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-10-11 00:30:31,809 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-10-11 00:30:31,809 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,809 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,810 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a21~0 7)) (.cse1 (<= ~a15~0 8)) (.cse2 (= ~a24~0 1))) (or (and .cse0 (<= ~a12~0 11) .cse1) (and .cse0 (<= ~a24~0 1) .cse1) (and (< 0 (+ ~a12~0 43)) .cse2) (and (<= 6 ~a15~0) .cse2) (and (<= (+ ~a12~0 49) 0) .cse2 (<= ~a21~0 9)))) [2021-10-11 00:30:31,810 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-10-11 00:30:31,810 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-10-11 00:30:31,810 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-11 00:30:31,810 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-11 00:30:31,811 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-10-11 00:30:31,811 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-10-11 00:30:31,811 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-10-11 00:30:31,811 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-10-11 00:30:31,811 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,811 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,811 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-10-11 00:30:31,811 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-10-11 00:30:31,811 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-10-11 00:30:31,812 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-11 00:30:31,812 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-11 00:30:31,812 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-10-11 00:30:31,812 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-10-11 00:30:31,812 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-10-11 00:30:31,812 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,812 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,812 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:30:31,813 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-10-11 00:30:31,813 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-10-11 00:30:31,813 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-11 00:30:31,813 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-11 00:30:31,813 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-10-11 00:30:31,813 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-10-11 00:30:31,813 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,813 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,813 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-11 00:30:31,814 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,814 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-10-11 00:30:31,814 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a21~0 7)) (.cse1 (<= ~a15~0 8)) (.cse2 (= ~a24~0 1))) (or (and .cse0 (<= ~a12~0 11) .cse1) (and .cse0 (<= ~a24~0 1) .cse1) (and (< 0 (+ ~a12~0 43)) .cse2) (and (<= 6 ~a15~0) .cse2) (and (<= (+ ~a12~0 49) 0) .cse2 (<= ~a21~0 9)))) [2021-10-11 00:30:31,814 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-10-11 00:30:31,814 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-10-11 00:30:31,814 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-11 00:30:31,814 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-11 00:30:31,815 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-11 00:30:31,815 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-10-11 00:30:31,815 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-10-11 00:30:31,815 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-10-11 00:30:31,815 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-10-11 00:30:31,815 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,815 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,815 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-10-11 00:30:31,816 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-10-11 00:30:31,816 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-11 00:30:31,816 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-11 00:30:31,816 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-11 00:30:31,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:30:31 BoogieIcfgContainer [2021-10-11 00:30:31,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:30:31,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:30:31,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:30:31,835 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:30:31,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:55" (3/4) ... [2021-10-11 00:30:31,838 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:30:31,861 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:30:31,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:30:31,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:31,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:32,001 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ffc117-095d-4ac3-a9e2-24c23e4fd18d/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:30:32,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:30:32,003 INFO L168 Benchmark]: Toolchain (without parser) took 39551.91 ms. Allocated memory was 102.8 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 62.9 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 701.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:32,003 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 102.8 MB. Free memory is still 81.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:30:32,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 914.26 ms. Allocated memory is still 102.8 MB. Free memory was 62.7 MB in the beginning and 57.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:32,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.09 ms. Allocated memory is still 102.8 MB. Free memory was 57.1 MB in the beginning and 47.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:32,004 INFO L168 Benchmark]: Boogie Preprocessor took 141.90 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 47.8 MB in the beginning and 95.1 MB in the end (delta: -47.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:32,005 INFO L168 Benchmark]: RCFGBuilder took 1767.63 ms. Allocated memory is still 125.8 MB. Free memory was 95.1 MB in the beginning and 54.2 MB in the end (delta: 40.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:32,005 INFO L168 Benchmark]: TraceAbstraction took 36439.64 ms. Allocated memory was 125.8 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 53.4 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 650.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:32,006 INFO L168 Benchmark]: Witness Printer took 167.62 ms. Allocated memory is still 1.9 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:32,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 102.8 MB. Free memory is still 81.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 914.26 ms. Allocated memory is still 102.8 MB. Free memory was 62.7 MB in the beginning and 57.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.09 ms. Allocated memory is still 102.8 MB. Free memory was 57.1 MB in the beginning and 47.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.90 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 47.8 MB in the beginning and 95.1 MB in the end (delta: -47.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1767.63 ms. Allocated memory is still 125.8 MB. Free memory was 95.1 MB in the beginning and 54.2 MB in the end (delta: 40.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36439.64 ms. Allocated memory was 125.8 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 53.4 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 650.4 MB. Max. memory is 16.1 GB. * Witness Printer took 167.62 ms. Allocated memory is still 1.9 GB. Free memory was 1.1 GB in the beginning and 1.1 GB 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: 167]: call to reach_error is unreachable For all program executions holds that call to reach_error is 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: (((((a21 <= 7 && a12 <= 11) && a15 <= 8) || ((a21 <= 7 && a24 <= 1) && a15 <= 8)) || (0 < a12 + 43 && a24 == 1)) || (6 <= a15 && a24 == 1)) || ((a12 + 49 <= 0 && a24 == 1) && a21 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a21 <= 7 && a12 <= 11) && a15 <= 8) || ((a21 <= 7 && a24 <= 1) && a15 <= 8)) || (0 < a12 + 43 && a24 == 1)) || (6 <= a15 && a24 == 1)) || ((a12 + 49 <= 0 && a24 == 1) && a21 <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.8s, OverallIterations: 16, TraceHistogramMax: 8, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1505 SDtfs, 1898 SDslu, 85 SDs, 0 SdLazy, 8207 SolverSat, 1324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4468 GetRequests, 4424 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5344occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 2496 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 71 NumberOfFragments, 99 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3190 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 296 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 11677 NumberOfCodeBlocks, 11677 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 11654 ConstructedInterpolants, 0 QuantifiedInterpolants, 24233223 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5643 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 23 InterpolantComputations, 15 PerfectInterpolantSequences, 20861/22341 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...