./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label18.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_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/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_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/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_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/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 452c1d32baba8964bd2d48cf930cbca4ba96f1cc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:28:05,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:28:05,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:28:06,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:28:06,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:28:06,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:28:06,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:28:06,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:28:06,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:28:06,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:28:06,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:28:06,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:28:06,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:28:06,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:28:06,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:28:06,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:28:06,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:28:06,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:28:06,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:28:06,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:28:06,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:28:06,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:28:06,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:28:06,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:28:06,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:28:06,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:28:06,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:28:06,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:28:06,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:28:06,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:28:06,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:28:06,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:28:06,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:28:06,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:28:06,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:28:06,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:28:06,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:28:06,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:28:06,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:28:06,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:28:06,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:28:06,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:28:06,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:28:06,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:28:06,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:28:06,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:28:06,140 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:28:06,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:28:06,140 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:28:06,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:28:06,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:28:06,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:28:06,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:28:06,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:28:06,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:28:06,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:28:06,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:28:06,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:28:06,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:28:06,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:28:06,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:28:06,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:28:06,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:28:06,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:28:06,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:28:06,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:28:06,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:28:06,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:28:06,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:28:06,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:28:06,152 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_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 452c1d32baba8964bd2d48cf930cbca4ba96f1cc [2021-10-11 00:28:06,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:28:06,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:28:06,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:28:06,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:28:06,502 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:28:06,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2021-10-11 00:28:06,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC/data/2743490dc/181662ecd55f4cc2a95c06448aa1fd83/FLAG43a579293 [2021-10-11 00:28:07,280 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:28:07,280 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2021-10-11 00:28:07,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC/data/2743490dc/181662ecd55f4cc2a95c06448aa1fd83/FLAG43a579293 [2021-10-11 00:28:07,503 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC/data/2743490dc/181662ecd55f4cc2a95c06448aa1fd83 [2021-10-11 00:28:07,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:28:07,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:28:07,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:28:07,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:28:07,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:28:07,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:07" (1/1) ... [2021-10-11 00:28:07,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ababaa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:07, skipping insertion in model container [2021-10-11 00:28:07,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:07" (1/1) ... [2021-10-11 00:28:07,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:28:07,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:28:07,955 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_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/sv-benchmarks/c/eca-rers2012/Problem01_label18.c[17985,17998] [2021-10-11 00:28:07,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:28:08,015 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:28:08,155 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_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/sv-benchmarks/c/eca-rers2012/Problem01_label18.c[17985,17998] [2021-10-11 00:28:08,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:28:08,209 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:28:08,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08 WrapperNode [2021-10-11 00:28:08,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:28:08,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:28:08,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:28:08,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:28:08,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... [2021-10-11 00:28:08,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... [2021-10-11 00:28:08,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:28:08,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:28:08,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:28:08,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:28:08,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... [2021-10-11 00:28:08,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... [2021-10-11 00:28:08,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... [2021-10-11 00:28:08,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... [2021-10-11 00:28:08,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... [2021-10-11 00:28:08,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... [2021-10-11 00:28:08,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... [2021-10-11 00:28:08,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:28:08,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:28:08,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:28:08,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:28:08,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/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 00:28:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:28:08,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:28:08,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:28:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:28:09,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:28:09,788 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:28:09,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:09 BoogieIcfgContainer [2021-10-11 00:28:09,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:28:09,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:28:09,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:28:09,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:28:09,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:28:07" (1/3) ... [2021-10-11 00:28:09,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262f656d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:09, skipping insertion in model container [2021-10-11 00:28:09,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:08" (2/3) ... [2021-10-11 00:28:09,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262f656d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:09, skipping insertion in model container [2021-10-11 00:28:09,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:09" (3/3) ... [2021-10-11 00:28:09,800 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label18.c [2021-10-11 00:28:09,814 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:28:09,818 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:28:09,830 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:28:09,857 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:28:09,858 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:28:09,858 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:28:09,858 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:28:09,858 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:28:09,858 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:28:09,859 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:28:09,859 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:28:09,878 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2021-10-11 00:28:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-11 00:28:09,889 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:09,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:09,890 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:09,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:09,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1128398527, now seen corresponding path program 1 times [2021-10-11 00:28:09,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:09,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208252100] [2021-10-11 00:28:09,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:10,626 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 00:28:10,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208252100] [2021-10-11 00:28:10,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:10,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:10,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339470401] [2021-10-11 00:28:10,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:28:10,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:10,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:28:10,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:10,656 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2021-10-11 00:28:12,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:12,253 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2021-10-11 00:28:12,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:28:12,255 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2021-10-11 00:28:12,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:12,271 INFO L225 Difference]: With dead ends: 662 [2021-10-11 00:28:12,271 INFO L226 Difference]: Without dead ends: 397 [2021-10-11 00:28:12,275 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 00:28:12,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-10-11 00:28:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2021-10-11 00:28:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2021-10-11 00:28:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2021-10-11 00:28:12,352 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 100 [2021-10-11 00:28:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:12,354 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2021-10-11 00:28:12,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:28:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2021-10-11 00:28:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-11 00:28:12,372 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:12,372 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:12,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:28:12,373 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:12,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:12,373 INFO L82 PathProgramCache]: Analyzing trace with hash -877508142, now seen corresponding path program 1 times [2021-10-11 00:28:12,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:12,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921691020] [2021-10-11 00:28:12,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:12,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921691020] [2021-10-11 00:28:12,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:12,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:12,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955318866] [2021-10-11 00:28:12,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:28:12,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:12,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:28:12,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:12,777 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand 4 states. [2021-10-11 00:28:13,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:13,780 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2021-10-11 00:28:13,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:28:13,781 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2021-10-11 00:28:13,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:13,790 INFO L225 Difference]: With dead ends: 887 [2021-10-11 00:28:13,790 INFO L226 Difference]: Without dead ends: 528 [2021-10-11 00:28:13,795 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 00:28:13,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-11 00:28:13,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2021-10-11 00:28:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2021-10-11 00:28:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2021-10-11 00:28:13,848 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 107 [2021-10-11 00:28:13,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:13,848 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2021-10-11 00:28:13,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:28:13,849 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2021-10-11 00:28:13,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-11 00:28:13,852 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:13,853 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:13,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:28:13,854 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:13,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:13,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1262463760, now seen corresponding path program 1 times [2021-10-11 00:28:13,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:13,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326991602] [2021-10-11 00:28:13,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:13,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326991602] [2021-10-11 00:28:13,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:13,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:13,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43511565] [2021-10-11 00:28:13,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:28:13,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:13,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:28:13,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:13,992 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand 4 states. [2021-10-11 00:28:14,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:14,814 INFO L93 Difference]: Finished difference Result 1054 states and 1283 transitions. [2021-10-11 00:28:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:28:14,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2021-10-11 00:28:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:14,818 INFO L225 Difference]: With dead ends: 1054 [2021-10-11 00:28:14,819 INFO L226 Difference]: Without dead ends: 659 [2021-10-11 00:28:14,820 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 00:28:14,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-10-11 00:28:14,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-10-11 00:28:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2021-10-11 00:28:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 785 transitions. [2021-10-11 00:28:14,841 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 785 transitions. Word has length 115 [2021-10-11 00:28:14,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:14,841 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 785 transitions. [2021-10-11 00:28:14,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:28:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 785 transitions. [2021-10-11 00:28:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-10-11 00:28:14,844 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:14,844 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:14,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:28:14,845 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:14,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:14,846 INFO L82 PathProgramCache]: Analyzing trace with hash 235577714, now seen corresponding path program 1 times [2021-10-11 00:28:14,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:14,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754963922] [2021-10-11 00:28:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:28:14,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754963922] [2021-10-11 00:28:14,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:14,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:14,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266610155] [2021-10-11 00:28:14,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:14,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:14,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:14,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:14,907 INFO L87 Difference]: Start difference. First operand 659 states and 785 transitions. Second operand 3 states. [2021-10-11 00:28:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:15,470 INFO L93 Difference]: Finished difference Result 1840 states and 2182 transitions. [2021-10-11 00:28:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:15,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2021-10-11 00:28:15,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:15,486 INFO L225 Difference]: With dead ends: 1840 [2021-10-11 00:28:15,487 INFO L226 Difference]: Without dead ends: 1183 [2021-10-11 00:28:15,488 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 00:28:15,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-10-11 00:28:15,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2021-10-11 00:28:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-10-11 00:28:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1261 transitions. [2021-10-11 00:28:15,523 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1261 transitions. Word has length 124 [2021-10-11 00:28:15,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:15,523 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1261 transitions. [2021-10-11 00:28:15,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1261 transitions. [2021-10-11 00:28:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-10-11 00:28:15,527 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:15,527 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:15,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:28:15,528 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:15,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:15,529 INFO L82 PathProgramCache]: Analyzing trace with hash -272974047, now seen corresponding path program 1 times [2021-10-11 00:28:15,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:15,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198784695] [2021-10-11 00:28:15,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:28:15,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198784695] [2021-10-11 00:28:15,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794433848] [2021-10-11 00:28:15,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/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 00:28:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:15,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:28:15,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-11 00:28:16,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:28:16,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-11 00:28:16,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646739908] [2021-10-11 00:28:16,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:16,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:16,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:16,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:16,010 INFO L87 Difference]: Start difference. First operand 1052 states and 1261 transitions. Second operand 3 states. [2021-10-11 00:28:16,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:16,641 INFO L93 Difference]: Finished difference Result 2495 states and 2989 transitions. [2021-10-11 00:28:16,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:16,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2021-10-11 00:28:16,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:16,652 INFO L225 Difference]: With dead ends: 2495 [2021-10-11 00:28:16,652 INFO L226 Difference]: Without dead ends: 1314 [2021-10-11 00:28:16,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:16,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2021-10-11 00:28:16,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2021-10-11 00:28:16,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-10-11 00:28:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1201 transitions. [2021-10-11 00:28:16,687 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1201 transitions. Word has length 130 [2021-10-11 00:28:16,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:16,688 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1201 transitions. [2021-10-11 00:28:16,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1201 transitions. [2021-10-11 00:28:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-10-11 00:28:16,692 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:16,692 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 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 00:28:16,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:28:16,906 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:16,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:16,907 INFO L82 PathProgramCache]: Analyzing trace with hash -822596485, now seen corresponding path program 1 times [2021-10-11 00:28:16,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:16,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333665306] [2021-10-11 00:28:16,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-11 00:28:16,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333665306] [2021-10-11 00:28:16,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225919713] [2021-10-11 00:28:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/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 00:28:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:17,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:28:17,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-11 00:28:17,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:28:17,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-11 00:28:17,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549494539] [2021-10-11 00:28:17,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:17,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:17,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:17,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:17,396 INFO L87 Difference]: Start difference. First operand 1052 states and 1201 transitions. Second operand 3 states. [2021-10-11 00:28:17,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:17,933 INFO L93 Difference]: Finished difference Result 2495 states and 2866 transitions. [2021-10-11 00:28:17,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:17,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2021-10-11 00:28:17,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:17,942 INFO L225 Difference]: With dead ends: 2495 [2021-10-11 00:28:17,942 INFO L226 Difference]: Without dead ends: 1445 [2021-10-11 00:28:17,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:17,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2021-10-11 00:28:17,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1052. [2021-10-11 00:28:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-10-11 00:28:17,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1201 transitions. [2021-10-11 00:28:17,975 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1201 transitions. Word has length 146 [2021-10-11 00:28:17,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:17,981 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1201 transitions. [2021-10-11 00:28:17,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1201 transitions. [2021-10-11 00:28:17,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-11 00:28:17,985 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:17,985 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:18,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:28:18,199 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:18,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:18,199 INFO L82 PathProgramCache]: Analyzing trace with hash 2042875293, now seen corresponding path program 1 times [2021-10-11 00:28:18,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:18,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119522483] [2021-10-11 00:28:18,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-11 00:28:18,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119522483] [2021-10-11 00:28:18,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344819575] [2021-10-11 00:28:18,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/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 00:28:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:18,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:28:18,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-11 00:28:18,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:28:18,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-11 00:28:18,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183669553] [2021-10-11 00:28:18,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:18,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:18,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:18,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:18,589 INFO L87 Difference]: Start difference. First operand 1052 states and 1201 transitions. Second operand 3 states. [2021-10-11 00:28:19,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:19,104 INFO L93 Difference]: Finished difference Result 2231 states and 2552 transitions. [2021-10-11 00:28:19,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:19,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2021-10-11 00:28:19,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:19,106 INFO L225 Difference]: With dead ends: 2231 [2021-10-11 00:28:19,106 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:28:19,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:19,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:28:19,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:28:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:28:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:28:19,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2021-10-11 00:28:19,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:19,113 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:19,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:28:19,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:28:19,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:28:19,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:28:19,517 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2021-10-11 00:28:19,610 INFO L262 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2021-10-11 00:28:19,610 INFO L262 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2021-10-11 00:28:19,610 INFO L262 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2021-10-11 00:28:19,610 INFO L262 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2021-10-11 00:28:19,610 INFO L262 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2021-10-11 00:28:19,611 INFO L262 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-10-11 00:28:19,611 INFO L262 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2021-10-11 00:28:19,611 INFO L262 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-10-11 00:28:19,611 INFO L262 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,611 INFO L262 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,611 INFO L262 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,611 INFO L262 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,612 INFO L262 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-10-11 00:28:19,612 INFO L262 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,612 INFO L262 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,612 INFO L262 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-10-11 00:28:19,612 INFO L262 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-10-11 00:28:19,612 INFO L262 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2021-10-11 00:28:19,613 INFO L262 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2021-10-11 00:28:19,613 INFO L262 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2021-10-11 00:28:19,613 INFO L262 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2021-10-11 00:28:19,613 INFO L262 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2021-10-11 00:28:19,613 INFO L262 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2021-10-11 00:28:19,613 INFO L262 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-10-11 00:28:19,613 INFO L262 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-10-11 00:28:19,613 INFO L262 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-10-11 00:28:19,614 INFO L262 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-10-11 00:28:19,614 INFO L262 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,614 INFO L262 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,614 INFO L262 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,614 INFO L262 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,614 INFO L262 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,614 INFO L262 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-10-11 00:28:19,615 INFO L262 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,615 INFO L262 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-10-11 00:28:19,615 INFO L262 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-10-11 00:28:19,615 INFO L262 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2021-10-11 00:28:19,615 INFO L262 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2021-10-11 00:28:19,615 INFO L262 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2021-10-11 00:28:19,615 INFO L262 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2021-10-11 00:28:19,616 INFO L262 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2021-10-11 00:28:19,616 INFO L262 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2021-10-11 00:28:19,616 INFO L262 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-10-11 00:28:19,616 INFO L262 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-10-11 00:28:19,616 INFO L262 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-10-11 00:28:19,616 INFO L262 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-10-11 00:28:19,616 INFO L262 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-10-11 00:28:19,617 INFO L262 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-10-11 00:28:19,617 INFO L262 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,617 INFO L262 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,617 INFO L262 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,617 INFO L262 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,617 INFO L262 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,617 INFO L262 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,618 INFO L262 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-10-11 00:28:19,618 INFO L262 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2021-10-11 00:28:19,618 INFO L262 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2021-10-11 00:28:19,618 INFO L262 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-11 00:28:19,618 INFO L262 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2021-10-11 00:28:19,618 INFO L262 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-11 00:28:19,618 INFO L262 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-11 00:28:19,619 INFO L262 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-10-11 00:28:19,619 INFO L262 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-10-11 00:28:19,619 INFO L262 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-10-11 00:28:19,619 INFO L262 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-10-11 00:28:19,619 INFO L262 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-10-11 00:28:19,619 INFO L262 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,619 INFO L262 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,620 INFO L262 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,620 INFO L262 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,620 INFO L262 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,620 INFO L262 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,620 INFO L262 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-10-11 00:28:19,620 INFO L262 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-10-11 00:28:19,620 INFO L262 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2021-10-11 00:28:19,620 INFO L262 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2021-10-11 00:28:19,621 INFO L262 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2021-10-11 00:28:19,621 INFO L262 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2021-10-11 00:28:19,621 INFO L262 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2021-10-11 00:28:19,621 INFO L262 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2021-10-11 00:28:19,621 INFO L262 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-10-11 00:28:19,621 INFO L262 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-10-11 00:28:19,621 INFO L262 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,622 INFO L262 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,622 INFO L262 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,622 INFO L262 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,622 INFO L262 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,622 INFO L262 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,622 INFO L262 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-10-11 00:28:19,622 INFO L262 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-10-11 00:28:19,622 INFO L262 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2021-10-11 00:28:19,623 INFO L262 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2021-10-11 00:28:19,623 INFO L262 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2021-10-11 00:28:19,623 INFO L262 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2021-10-11 00:28:19,623 INFO L262 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2021-10-11 00:28:19,623 INFO L262 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2021-10-11 00:28:19,623 INFO L262 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-10-11 00:28:19,623 INFO L262 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-10-11 00:28:19,624 INFO L262 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-10-11 00:28:19,624 INFO L262 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-10-11 00:28:19,624 INFO L262 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-10-11 00:28:19,624 INFO L262 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-10-11 00:28:19,624 INFO L262 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-10-11 00:28:19,624 INFO L262 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,624 INFO L262 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,625 INFO L262 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,625 INFO L262 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,625 INFO L262 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,625 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:28:19,625 INFO L262 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-10-11 00:28:19,625 INFO L262 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-10-11 00:28:19,625 INFO L262 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2021-10-11 00:28:19,626 INFO L262 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2021-10-11 00:28:19,626 INFO L262 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2021-10-11 00:28:19,626 INFO L262 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2021-10-11 00:28:19,626 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-11 00:28:19,626 INFO L262 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2021-10-11 00:28:19,626 INFO L262 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-10-11 00:28:19,627 INFO L258 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (not (= ~a7~0 1))) (.cse2 (<= 15 ~a8~0)) (.cse3 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and (= ~a21~0 1) (= ~a12~0 8) (= ~a20~0 1) .cse1 .cse3) (and (<= ~a16~0 5) .cse0) (and .cse1 .cse2 .cse3) (<= ~a8~0 13))) [2021-10-11 00:28:19,627 INFO L262 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,627 INFO L262 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,627 INFO L262 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,627 INFO L262 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,627 INFO L262 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,627 INFO L262 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-10-11 00:28:19,628 INFO L262 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2021-10-11 00:28:19,628 INFO L262 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2021-10-11 00:28:19,628 INFO L262 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2021-10-11 00:28:19,628 INFO L262 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2021-10-11 00:28:19,628 INFO L262 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2021-10-11 00:28:19,628 INFO L262 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-10-11 00:28:19,628 INFO L262 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-10-11 00:28:19,629 INFO L262 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-10-11 00:28:19,629 INFO L262 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-10-11 00:28:19,629 INFO L262 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-10-11 00:28:19,629 INFO L262 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-10-11 00:28:19,629 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:28:19,629 INFO L262 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-10-11 00:28:19,629 INFO L265 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-10-11 00:28:19,630 INFO L262 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,630 INFO L262 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,630 INFO L262 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,630 INFO L262 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,630 INFO L262 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,630 INFO L262 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-10-11 00:28:19,630 INFO L262 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-10-11 00:28:19,630 INFO L262 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-10-11 00:28:19,631 INFO L262 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2021-10-11 00:28:19,631 INFO L262 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2021-10-11 00:28:19,631 INFO L262 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2021-10-11 00:28:19,631 INFO L262 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2021-10-11 00:28:19,631 INFO L262 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2021-10-11 00:28:19,631 INFO L262 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-10-11 00:28:19,631 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:28:19,632 INFO L262 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,632 INFO L262 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,632 INFO L262 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,632 INFO L262 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,632 INFO L262 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-10-11 00:28:19,632 INFO L262 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,632 INFO L262 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-10-11 00:28:19,632 INFO L262 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-10-11 00:28:19,633 INFO L262 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2021-10-11 00:28:19,633 INFO L262 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2021-10-11 00:28:19,633 INFO L262 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2021-10-11 00:28:19,633 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-11 00:28:19,633 INFO L262 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2021-10-11 00:28:19,633 INFO L262 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-10-11 00:28:19,633 INFO L262 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-10-11 00:28:19,634 INFO L262 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-10-11 00:28:19,634 INFO L262 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-10-11 00:28:19,634 INFO L262 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-10-11 00:28:19,634 INFO L262 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-10-11 00:28:19,634 INFO L262 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,634 INFO L258 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (not (= ~a7~0 1))) (.cse2 (<= 15 ~a8~0)) (.cse3 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and (= ~a21~0 1) (= ~a12~0 8) (= ~a20~0 1) .cse1 .cse3) (and (<= ~a16~0 5) .cse0) (and .cse1 .cse2 .cse3) (<= ~a8~0 13))) [2021-10-11 00:28:19,635 INFO L262 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,635 INFO L262 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,635 INFO L262 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,635 INFO L262 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,635 INFO L262 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-10-11 00:28:19,635 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:28:19,635 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 486) no Hoare annotation was computed. [2021-10-11 00:28:19,636 INFO L262 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2021-10-11 00:28:19,636 INFO L262 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2021-10-11 00:28:19,636 INFO L262 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2021-10-11 00:28:19,636 INFO L262 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2021-10-11 00:28:19,636 INFO L262 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-11 00:28:19,636 INFO L262 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-10-11 00:28:19,636 INFO L262 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-10-11 00:28:19,637 INFO L262 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,637 INFO L262 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,637 INFO L262 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,637 INFO L262 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,637 INFO L262 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-10-11 00:28:19,637 INFO L262 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-10-11 00:28:19,637 INFO L262 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-10-11 00:28:19,637 INFO L262 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-10-11 00:28:19,638 INFO L262 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-10-11 00:28:19,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:28:19 BoogieIcfgContainer [2021-10-11 00:28:19,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:28:19,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:28:19,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:28:19,658 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:28:19,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:09" (3/4) ... [2021-10-11 00:28:19,662 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:28:19,683 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:28:19,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:28:19,686 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:19,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:19,816 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35fb69c9-e85c-46f9-a8d0-2e5b2423e57b/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:28:19,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:28:19,818 INFO L168 Benchmark]: Toolchain (without parser) took 12310.28 ms. Allocated memory was 115.3 MB in the beginning and 272.6 MB in the end (delta: 157.3 MB). Free memory was 78.7 MB in the beginning and 94.6 MB in the end (delta: -15.9 MB). Peak memory consumption was 140.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,818 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 115.3 MB. Free memory was 89.6 MB in the beginning and 89.6 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:19,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.42 ms. Allocated memory is still 115.3 MB. Free memory was 78.5 MB in the beginning and 74.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.35 ms. Allocated memory is still 115.3 MB. Free memory was 74.0 MB in the beginning and 68.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,823 INFO L168 Benchmark]: Boogie Preprocessor took 77.01 ms. Allocated memory is still 115.3 MB. Free memory was 68.3 MB in the beginning and 63.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,823 INFO L168 Benchmark]: RCFGBuilder took 1388.96 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 63.5 MB in the beginning and 85.1 MB in the end (delta: -21.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,824 INFO L168 Benchmark]: TraceAbstraction took 9864.71 ms. Allocated memory was 153.1 MB in the beginning and 272.6 MB in the end (delta: 119.5 MB). Free memory was 85.1 MB in the beginning and 109.3 MB in the end (delta: -24.2 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,824 INFO L168 Benchmark]: Witness Printer took 159.09 ms. Allocated memory is still 272.6 MB. Free memory was 109.3 MB in the beginning and 94.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:19,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 115.3 MB. Free memory was 89.6 MB in the beginning and 89.6 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 702.42 ms. Allocated memory is still 115.3 MB. Free memory was 78.5 MB in the beginning and 74.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.35 ms. Allocated memory is still 115.3 MB. Free memory was 74.0 MB in the beginning and 68.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.01 ms. Allocated memory is still 115.3 MB. Free memory was 68.3 MB in the beginning and 63.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1388.96 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 63.5 MB in the beginning and 85.1 MB in the end (delta: -21.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9864.71 ms. Allocated memory was 153.1 MB in the beginning and 272.6 MB in the end (delta: 119.5 MB). Free memory was 85.1 MB in the beginning and 109.3 MB in the end (delta: -24.2 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.1 GB. * Witness Printer took 159.09 ms. Allocated memory is still 272.6 MB. Free memory was 109.3 MB in the beginning and 94.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 486]: 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: 40]: Loop Invariant Derived loop invariant: (((((a17 <= 0 && !(a7 == 1)) && 15 <= a8) || ((((a21 == 1 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || a8 <= 13 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((a17 <= 0 && !(a7 == 1)) && 15 <= a8) || ((((a21 == 1 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || a8 <= 13 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.4s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 541 SDtfs, 1140 SDslu, 55 SDs, 0 SdLazy, 2872 SolverSat, 628 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 444 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1052occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 917 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 28 NumberOfFragments, 101 HoareAnnotationTreeSize, 3 FomulaSimplifications, 800 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1296 NumberOfCodeBlocks, 1296 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1286 ConstructedInterpolants, 0 QuantifiedInterpolants, 702644 SizeOfPredicates, 0 NumberOfNonLiveVariables, 975 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 464/473 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...