./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_math_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/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_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_math_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b21ad1baeb92c3a8a2023c182a4742236703971 .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:29:01,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:01,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:01,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:01,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:01,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:01,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:01,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:01,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:01,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:01,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:01,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:01,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:02,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:02,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:02,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:02,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:02,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:02,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:02,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:02,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:02,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:02,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:02,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:02,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:02,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:02,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:02,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:02,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:02,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:02,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:02,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:02,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:02,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:02,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:02,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:02,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:02,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:02,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:02,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:02,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:02,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:29:02,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:02,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:02,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:02,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:02,093 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:02,093 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:29:02,093 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:29:02,093 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:29:02,094 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:29:02,094 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:29:02,095 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:29:02,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:02,096 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:02,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:29:02,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:02,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:02,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:02,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:29:02,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:29:02,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:29:02,098 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:02,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:02,099 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:29:02,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:02,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:29:02,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:02,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:02,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:02,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:02,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:02,104 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:29:02,105 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_e4f9511d-bbc7-410c-9e04-e63cf6283a92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b21ad1baeb92c3a8a2023c182a4742236703971 [2021-10-11 00:29:02,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:02,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:02,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:02,531 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:02,534 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:02,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/psyco/psyco_math_1.c [2021-10-11 00:29:02,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/data/afe449aee/a59c1d3fac1f4463902272709ce431b5/FLAGa31ef8a0a [2021-10-11 00:29:03,308 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:03,308 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/sv-benchmarks/c/psyco/psyco_math_1.c [2021-10-11 00:29:03,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/data/afe449aee/a59c1d3fac1f4463902272709ce431b5/FLAGa31ef8a0a [2021-10-11 00:29:03,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/data/afe449aee/a59c1d3fac1f4463902272709ce431b5 [2021-10-11 00:29:03,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:03,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:03,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:03,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:03,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:03,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:03" (1/1) ... [2021-10-11 00:29:03,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f62ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:03, skipping insertion in model container [2021-10-11 00:29:03,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:03" (1/1) ... [2021-10-11 00:29:03,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:03,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:03,958 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_e4f9511d-bbc7-410c-9e04-e63cf6283a92/sv-benchmarks/c/psyco/psyco_math_1.c[11705,11718] [2021-10-11 00:29:03,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:03,985 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:04,066 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_e4f9511d-bbc7-410c-9e04-e63cf6283a92/sv-benchmarks/c/psyco/psyco_math_1.c[11705,11718] [2021-10-11 00:29:04,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:04,107 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:04,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04 WrapperNode [2021-10-11 00:29:04,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:04,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:04,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:04,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:04,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... [2021-10-11 00:29:04,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... [2021-10-11 00:29:04,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:04,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:04,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:04,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:04,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... [2021-10-11 00:29:04,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... [2021-10-11 00:29:04,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... [2021-10-11 00:29:04,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... [2021-10-11 00:29:04,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... [2021-10-11 00:29:04,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... [2021-10-11 00:29:04,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... [2021-10-11 00:29:04,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:04,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:04,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:04,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:04,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:04,937 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:04,938 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-10-11 00:29:04,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:04 BoogieIcfgContainer [2021-10-11 00:29:04,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:04,942 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:29:04,942 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:29:04,946 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:29:04,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:29:04,947 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:29:03" (1/3) ... [2021-10-11 00:29:04,949 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5105cb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:29:04, skipping insertion in model container [2021-10-11 00:29:04,949 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:29:04,949 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:04" (2/3) ... [2021-10-11 00:29:04,950 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5105cb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:29:04, skipping insertion in model container [2021-10-11 00:29:04,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:29:04,951 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:04" (3/3) ... [2021-10-11 00:29:04,952 INFO L389 chiAutomizerObserver]: Analyzing ICFG psyco_math_1.c [2021-10-11 00:29:05,010 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:29:05,011 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:29:05,011 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:29:05,011 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:05,012 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:05,012 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:29:05,012 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:05,012 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:29:05,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states. [2021-10-11 00:29:05,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 54 [2021-10-11 00:29:05,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:05,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:05,068 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:29:05,068 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-11 00:29:05,068 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:29:05,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states. [2021-10-11 00:29:05,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 54 [2021-10-11 00:29:05,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:05,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:05,077 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:29:05,077 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-11 00:29:05,085 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_isPowerOfTwo~0 := 1;~m_IntMath~0 := 2;~m_log10~0 := 3;~m_checkedSubtract~0 := 4;~m_checkedMultiply~0 := 5;~m_log2~0 := 6;~m_checkedAdd~0 := 7;~m_mod_1~0 := 8;~m_mod_2~0 := 9;~m_factorial_1~0 := 10;~m_factorial_2~0 := 11; 13#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~P10~0, main_~P11~0, main_~P12~0, main_~P13~0, main_~P14~0, main_~P15~0, main_~P16~0, main_~P17~0, main_~q~0, main_~method_id~0;main_~q~0 := 0;havoc main_~method_id~0; 59#L28-2true [2021-10-11 00:29:05,086 INFO L796 eck$LassoCheckResult]: Loop: 59#L28-2true goto; 7#L354true assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~P5~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~P6~0 := main_#t~nondet12;havoc main_#t~nondet12;main_~P7~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~P8~0 := main_#t~nondet14;havoc main_#t~nondet14;main_~P9~0 := main_#t~nondet15;havoc main_#t~nondet15;main_~P10~0 := main_#t~nondet16;havoc main_#t~nondet16;main_~P11~0 := main_#t~nondet17;havoc main_#t~nondet17;main_~P12~0 := main_#t~nondet18;havoc main_#t~nondet18;main_~P13~0 := main_#t~nondet19;havoc main_#t~nondet19;main_~P14~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~P15~0 := main_#t~nondet21;havoc main_#t~nondet21;main_~P16~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~P17~0 := main_#t~nondet23;havoc main_#t~nondet23; 9#L51true assume !(0 == main_~q~0); 31#L70true assume !(1 == main_~q~0); 15#L138true assume !(2 == main_~q~0); 59#L28-2true [2021-10-11 00:29:05,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:05,094 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-11 00:29:05,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:05,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251992926] [2021-10-11 00:29:05,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:05,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:05,250 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:05,277 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:05,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:05,279 INFO L82 PathProgramCache]: Analyzing trace with hash 34532059, now seen corresponding path program 1 times [2021-10-11 00:29:05,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:05,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696214187] [2021-10-11 00:29:05,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:05,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:05,301 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:05,308 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:05,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:05,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1805971545, now seen corresponding path program 1 times [2021-10-11 00:29:05,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:05,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821945031] [2021-10-11 00:29:05,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:05,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821945031] [2021-10-11 00:29:05,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:05,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:05,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415789909] [2021-10-11 00:29:05,663 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-10-11 00:29:05,792 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-10-11 00:29:05,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:05,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:05,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:05,830 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 3 states. [2021-10-11 00:29:05,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:05,962 INFO L93 Difference]: Finished difference Result 68 states and 97 transitions. [2021-10-11 00:29:05,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:05,964 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 97 transitions. [2021-10-11 00:29:05,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2021-10-11 00:29:05,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 52 states and 74 transitions. [2021-10-11 00:29:05,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-10-11 00:29:05,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-10-11 00:29:05,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 74 transitions. [2021-10-11 00:29:05,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:29:05,984 INFO L692 BuchiCegarLoop]: Abstraction has 52 states and 74 transitions. [2021-10-11 00:29:06,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 74 transitions. [2021-10-11 00:29:06,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-11 00:29:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-10-11 00:29:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2021-10-11 00:29:06,023 INFO L715 BuchiCegarLoop]: Abstraction has 52 states and 74 transitions. [2021-10-11 00:29:06,023 INFO L595 BuchiCegarLoop]: Abstraction has 52 states and 74 transitions. [2021-10-11 00:29:06,023 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:29:06,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 74 transitions. [2021-10-11 00:29:06,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2021-10-11 00:29:06,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:06,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:06,035 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-11 00:29:06,036 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:29:06,036 INFO L794 eck$LassoCheckResult]: Stem: 188#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_isPowerOfTwo~0 := 1;~m_IntMath~0 := 2;~m_log10~0 := 3;~m_checkedSubtract~0 := 4;~m_checkedMultiply~0 := 5;~m_log2~0 := 6;~m_checkedAdd~0 := 7;~m_mod_1~0 := 8;~m_mod_2~0 := 9;~m_factorial_1~0 := 10;~m_factorial_2~0 := 11; 160#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~P10~0, main_~P11~0, main_~P12~0, main_~P13~0, main_~P14~0, main_~P15~0, main_~P16~0, main_~P17~0, main_~q~0, main_~method_id~0;main_~q~0 := 0;havoc main_~method_id~0; 161#L28-2 goto; 154#L354 [2021-10-11 00:29:06,036 INFO L796 eck$LassoCheckResult]: Loop: 154#L354 assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~P5~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~P6~0 := main_#t~nondet12;havoc main_#t~nondet12;main_~P7~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~P8~0 := main_#t~nondet14;havoc main_#t~nondet14;main_~P9~0 := main_#t~nondet15;havoc main_#t~nondet15;main_~P10~0 := main_#t~nondet16;havoc main_#t~nondet16;main_~P11~0 := main_#t~nondet17;havoc main_#t~nondet17;main_~P12~0 := main_#t~nondet18;havoc main_#t~nondet18;main_~P13~0 := main_#t~nondet19;havoc main_#t~nondet19;main_~P14~0 := main_#t~nondet20;havoc main_#t~nondet20;main_~P15~0 := main_#t~nondet21;havoc main_#t~nondet21;main_~P16~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~P17~0 := main_#t~nondet23;havoc main_#t~nondet23; 155#L51 assume 0 == main_~q~0; 158#L52 assume !(0 != main_#t~nondet24);havoc main_#t~nondet24; 154#L354 [2021-10-11 00:29:06,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:06,039 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2021-10-11 00:29:06,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:06,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577260072] [2021-10-11 00:29:06,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:06,068 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:06,094 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:06,106 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:06,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:06,107 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2021-10-11 00:29:06,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:06,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712356705] [2021-10-11 00:29:06,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:06,125 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:06,139 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:06,143 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:06,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:06,145 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2021-10-11 00:29:06,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:06,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740935802] [2021-10-11 00:29:06,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:06,175 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:06,216 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:06,232 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:06,339 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-10-11 00:29:06,717 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2021-10-11 00:29:06,875 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-10-11 00:29:06,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:29:06 BoogieIcfgContainer [2021-10-11 00:29:06,924 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:29:06,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:06,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:06,928 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:06,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:04" (3/4) ... [2021-10-11 00:29:06,932 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-11 00:29:07,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f9511d-bbc7-410c-9e04-e63cf6283a92/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:29:07,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:07,004 INFO L168 Benchmark]: Toolchain (without parser) took 3370.26 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 57.6 MB in the beginning and 80.3 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:07,005 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:07,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.50 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 57.4 MB in the beginning and 87.3 MB in the end (delta: -29.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:07,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.15 ms. Allocated memory is still 113.2 MB. Free memory was 87.3 MB in the beginning and 85.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:07,008 INFO L168 Benchmark]: Boogie Preprocessor took 80.31 ms. Allocated memory is still 113.2 MB. Free memory was 85.3 MB in the beginning and 83.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:07,009 INFO L168 Benchmark]: RCFGBuilder took 655.87 ms. Allocated memory is still 113.2 MB. Free memory was 83.8 MB in the beginning and 56.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:07,009 INFO L168 Benchmark]: BuchiAutomizer took 1982.97 ms. Allocated memory is still 113.2 MB. Free memory was 56.0 MB in the beginning and 82.2 MB in the end (delta: -26.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:07,010 INFO L168 Benchmark]: Witness Printer took 76.13 ms. Allocated memory is still 113.2 MB. Free memory was 82.2 MB in the beginning and 80.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:07,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 459.50 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 57.4 MB in the beginning and 87.3 MB in the end (delta: -29.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.15 ms. Allocated memory is still 113.2 MB. Free memory was 87.3 MB in the beginning and 85.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.31 ms. Allocated memory is still 113.2 MB. Free memory was 85.3 MB in the beginning and 83.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 655.87 ms. Allocated memory is still 113.2 MB. Free memory was 83.8 MB in the beginning and 56.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1982.97 ms. Allocated memory is still 113.2 MB. Free memory was 56.0 MB in the beginning and 82.2 MB in the end (delta: -26.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Witness Printer took 76.13 ms. Allocated memory is still 113.2 MB. Free memory was 82.2 MB in the beginning and 80.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 52 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 52 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 93 SDtfs, 4 SDslu, 68 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 28]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=11314} State at position 1 is {NULL=0, NULL=11314, m_isPowerOfTwo=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@393d2b53=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39748cc6=25, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fc7e4de=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a1c1de=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51d6cd00=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6302d94e=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cf82006=30, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f9a6810=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f2db103=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22a2089c=22, NULL=0, NULL=0, P8=33, P10=34, P6=30, P4=36, P2=32, m_log2=6, m_mod_1=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e3ef9d4=0, m_factorial_1=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@244862e6=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e399cf7=0, P14=21, P12=23, P16=37, m_checkedAdd=7, NULL=11315, \result=0, m_checkedSubtract=4, m_checkedMultiply=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19c3315b=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fc22ac=32, m_IntMath=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d05ca9b=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d743d3e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4db77a03=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a54c7bf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78b1adf4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@782c4815=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15bf0cdd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1440e211=0, NULL=11317, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62d1f5f8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e44af22=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bef6f13=0, NULL=0, P9=22, P7=24, NULL=11316, P5=25, P3=31, P1=28, m_log10=3, m_mod_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@636330e4=21, m_factorial_2=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ec1a267=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@918dc72=37, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b2f6d8e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2776104a=0, P13=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12b61e27=0, P11=26, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c25bcb6=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bb57c6=0, P17=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@650a0fec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a3ea473=0, P15=35} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 28]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_isPowerOfTwo = 1; [L8] int m_IntMath = 2; [L9] int m_log10 = 3; [L10] int m_checkedSubtract = 4; [L11] int m_checkedMultiply = 5; [L12] int m_log2 = 6; [L13] int m_checkedAdd = 7; [L14] int m_mod_1 = 8; [L15] int m_mod_2 = 9; [L16] int m_factorial_1 = 10; [L17] int m_factorial_2 = 11; [L22] int q = 0; [L23] int method_id; Loop: [L28] COND TRUE 1 [L31] int P1=__VERIFIER_nondet_int(); [L32] int P2=__VERIFIER_nondet_int(); [L33] int P3=__VERIFIER_nondet_int(); [L34] int P4=__VERIFIER_nondet_int(); [L35] int P5=__VERIFIER_nondet_int(); [L36] int P6=__VERIFIER_nondet_int(); [L37] int P7=__VERIFIER_nondet_int(); [L38] int P8=__VERIFIER_nondet_int(); [L39] int P9=__VERIFIER_nondet_int(); [L40] int P10=__VERIFIER_nondet_int(); [L41] int P11=__VERIFIER_nondet_int(); [L42] int P12=__VERIFIER_nondet_int(); [L43] int P13=__VERIFIER_nondet_int(); [L44] int P14=__VERIFIER_nondet_int(); [L45] int P15=__VERIFIER_nondet_int(); [L46] int P16=__VERIFIER_nondet_int(); [L47] int P17=__VERIFIER_nondet_int(); [L51] COND TRUE q == 0 [L52] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...