./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/divbin1-both-nt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/divbin1-both-nt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa --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 34d019f936433212ffb98f9f63454a8763bb76cd95f2f69226ba6fae3efa4715 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:32:54,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:32:54,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:32:55,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:32:55,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:32:55,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:32:55,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:32:55,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:32:55,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:32:55,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:32:55,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:32:55,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:32:55,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:32:55,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:32:55,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:32:55,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:32:55,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:32:55,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:32:55,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:32:55,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:32:55,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:32:55,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:32:55,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:32:55,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:32:55,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:32:55,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:32:55,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:32:55,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:32:55,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:32:55,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:32:55,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:32:55,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:32:55,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:32:55,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:32:55,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:32:55,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:32:55,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:32:55,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:32:55,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:32:55,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:32:55,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:32:55,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 22:32:55,068 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:32:55,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:32:55,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:32:55,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:32:55,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:32:55,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:32:55,070 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:32:55,071 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 22:32:55,071 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 22:32:55,071 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 22:32:55,071 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 22:32:55,071 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 22:32:55,072 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 22:32:55,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:32:55,072 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:32:55,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:32:55,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:32:55,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:32:55,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:32:55,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 22:32:55,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 22:32:55,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 22:32:55,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:32:55,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:32:55,074 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 22:32:55,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:32:55,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 22:32:55,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:32:55,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:32:55,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:32:55,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:32:55,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:32:55,076 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 22:32:55,076 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_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d019f936433212ffb98f9f63454a8763bb76cd95f2f69226ba6fae3efa4715 [2021-12-06 22:32:55,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:32:55,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:32:55,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:32:55,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:32:55,278 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:32:55,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-nla/divbin1-both-nt.i [2021-12-06 22:32:55,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/data/af074dcab/ff9e4394943842fe8ef8d8281246f82a/FLAG68affa339 [2021-12-06 22:32:55,667 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:32:55,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/sv-benchmarks/c/termination-nla/divbin1-both-nt.i [2021-12-06 22:32:55,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/data/af074dcab/ff9e4394943842fe8ef8d8281246f82a/FLAG68affa339 [2021-12-06 22:32:55,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/data/af074dcab/ff9e4394943842fe8ef8d8281246f82a [2021-12-06 22:32:55,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:32:55,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:32:55,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:32:55,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:32:55,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:32:55,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a76549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55, skipping insertion in model container [2021-12-06 22:32:55,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:32:55,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:32:55,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:32:55,824 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:32:55,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:32:55,844 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:32:55,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55 WrapperNode [2021-12-06 22:32:55,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:32:55,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:32:55,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:32:55,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:32:55,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,871 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-12-06 22:32:55,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:32:55,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:32:55,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:32:55,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:32:55,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:32:55,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:32:55,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:32:55,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:32:55,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (1/1) ... [2021-12-06 22:32:55,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:32:55,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:32:55,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:32:55,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 22:32:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:32:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:32:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-12-06 22:32:55,985 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:32:55,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:32:56,066 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:32:56,071 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:32:56,071 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:32:56,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:32:56 BoogieIcfgContainer [2021-12-06 22:32:56,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:32:56,075 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 22:32:56,075 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 22:32:56,078 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 22:32:56,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:32:56,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 10:32:55" (1/3) ... [2021-12-06 22:32:56,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b33d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:32:56, skipping insertion in model container [2021-12-06 22:32:56,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:32:56,079 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:32:55" (2/3) ... [2021-12-06 22:32:56,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b33d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:32:56, skipping insertion in model container [2021-12-06 22:32:56,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:32:56,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:32:56" (3/3) ... [2021-12-06 22:32:56,081 INFO L388 chiAutomizerObserver]: Analyzing ICFG divbin1-both-nt.i [2021-12-06 22:32:56,122 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 22:32:56,122 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 22:32:56,122 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 22:32:56,122 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 22:32:56,122 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 22:32:56,122 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 22:32:56,123 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 22:32:56,123 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 22:32:56,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:32:56,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 22:32:56,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:32:56,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:32:56,153 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:32:56,154 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:32:56,154 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 22:32:56,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:32:56,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 22:32:56,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:32:56,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:32:56,156 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:32:56,157 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:32:56,163 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~A~0#1, main_~B~0#1, main_~q~0#1, main_~r~0#1, main_~b~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~b~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~A~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~B~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 6#L15true assume !(main_~B~0#1 % 4294967296 >= 2147483647); 3#L16true assume !(main_~B~0#1 % 4294967296 < 1); 11#L17true assume !(main_~A~0#1 % 4294967296 >= 2147483647);main_~q~0#1 := 0;main_~r~0#1 := main_~A~0#1;main_~b~0#1 := main_~B~0#1; 12#L21true assume main_~r~0#1 % 4294967296 < main_~b~0#1 % 4294967296; 10#L23-1true [2021-12-06 22:32:56,164 INFO L793 eck$LassoCheckResult]: Loop: 10#L23-1true assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296); 13#L23true assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296); 10#L23-1true [2021-12-06 22:32:56,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:32:56,170 INFO L85 PathProgramCache]: Analyzing trace with hash 889571339, now seen corresponding path program 1 times [2021-12-06 22:32:56,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:32:56,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534353663] [2021-12-06 22:32:56,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:56,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:32:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:32:56,274 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:32:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:32:56,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:32:56,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:32:56,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1900, now seen corresponding path program 1 times [2021-12-06 22:32:56,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:32:56,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404781696] [2021-12-06 22:32:56,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:56,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:32:56,312 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:32:56,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1774150378] [2021-12-06 22:32:56,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:56,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:32:56,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:32:56,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:32:56,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:32:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:32:56,339 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:32:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:32:56,346 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:32:56,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:32:56,348 INFO L85 PathProgramCache]: Analyzing trace with hash 179565814, now seen corresponding path program 1 times [2021-12-06 22:32:56,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:32:56,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623857957] [2021-12-06 22:32:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:56,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:32:56,355 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:32:56,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581969180] [2021-12-06 22:32:56,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:56,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:32:56,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:32:56,357 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:32:56,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:32:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:32:56,412 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:32:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:32:56,423 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:33:47,412 WARN L227 SmtUtils]: Spent 50.98s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-06 22:34:13,020 WARN L227 SmtUtils]: Spent 25.57s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-06 22:34:13,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 10:34:13 BoogieIcfgContainer [2021-12-06 22:34:13,174 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 22:34:13,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:34:13,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:34:13,175 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:34:13,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:32:56" (3/4) ... [2021-12-06 22:34:13,177 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-06 22:34:13,199 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:34:13,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:34:13,200 INFO L158 Benchmark]: Toolchain (without parser) took 77515.96ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 43.3MB in the end (delta: 25.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-12-06 22:34:13,200 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:34:13,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.55ms. Allocated memory is still 104.9MB. Free memory was 68.8MB in the beginning and 82.6MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:34:13,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.60ms. Allocated memory is still 104.9MB. Free memory was 82.1MB in the beginning and 81.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:34:13,201 INFO L158 Benchmark]: Boogie Preprocessor took 13.39ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 953.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:34:13,202 INFO L158 Benchmark]: RCFGBuilder took 187.58ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 71.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:34:13,202 INFO L158 Benchmark]: BuchiAutomizer took 77099.48ms. Allocated memory is still 104.9MB. Free memory was 70.8MB in the beginning and 44.9MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-06 22:34:13,203 INFO L158 Benchmark]: Witness Printer took 25.02ms. Allocated memory is still 104.9MB. Free memory was 44.9MB in the beginning and 43.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:34:13,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.55ms. Allocated memory is still 104.9MB. Free memory was 68.8MB in the beginning and 82.6MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.60ms. Allocated memory is still 104.9MB. Free memory was 82.1MB in the beginning and 81.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.39ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 953.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 187.58ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 71.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 77099.48ms. Allocated memory is still 104.9MB. Free memory was 70.8MB in the beginning and 44.9MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 25.02ms. Allocated memory is still 104.9MB. Free memory was 44.9MB in the beginning and 43.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 77.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 77.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 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: 22]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@614aa25e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ab0dd93=0, A=2147483644, q=0, r=2147483644, \result=0, b=2147483645, B=2147483645} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 22]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L11] unsigned A, B; [L12] unsigned q, r, b; [L13] A = __VERIFIER_nondet_unsigned_int() [L14] B = __VERIFIER_nondet_unsigned_int() [L15] COND FALSE !(B >= (0x7fffffff * 2U + 1U)/2) [L16] COND FALSE !(B < 1) [L17] COND FALSE !(A >= (0x7fffffff * 2U + 1U)/2) [L18] q = 0 [L19] r = A [L20] b = B [L21] COND TRUE r < b Loop: [L22] COND TRUE A == q * b + r [L23] COND FALSE !(2 * (b / 2) == b) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-06 22:34:13,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-06 22:34:13,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-06 22:34:13,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e1491e-6054-49d1-ac2f-ffda45603cea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)