./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-01-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-01-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS --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 64bit --witnessprinter.graph.data.programhash fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:41:05,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:41:05,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:41:05,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:41:05,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:41:05,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:41:05,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:41:05,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:41:05,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:41:05,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:41:05,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:41:05,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:41:05,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:41:05,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:41:05,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:41:05,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:41:05,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:41:05,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:41:05,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:41:05,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:41:05,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:41:05,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:41:05,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:41:05,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:41:05,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:41:05,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:41:05,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:41:05,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:41:05,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:41:05,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:41:05,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:41:05,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:41:05,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:41:05,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:41:05,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:41:05,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:41:05,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:41:05,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:41:05,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:41:05,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:41:05,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:41:05,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-23 02:41:05,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:41:05,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:41:05,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:41:05,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:41:05,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:41:05,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:41:05,262 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:41:05,262 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 02:41:05,262 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 02:41:05,263 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 02:41:05,264 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 02:41:05,264 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 02:41:05,264 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 02:41:05,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:41:05,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:41:05,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:41:05,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:41:05,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 02:41:05,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 02:41:05,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 02:41:05,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:41:05,267 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 02:41:05,267 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:41:05,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 02:41:05,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:41:05,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:41:05,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:41:05,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:41:05,271 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 02:41:05,271 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_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac [2022-11-23 02:41:05,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:41:05,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:41:05,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:41:05,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:41:05,561 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:41:05,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-bwb/and-01-false.c [2022-11-23 02:41:08,604 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:41:08,865 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:41:08,866 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/sv-benchmarks/c/termination-bwb/and-01-false.c [2022-11-23 02:41:08,872 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/data/5266ffb61/cd6e09a403f24e908309c47eead85d4a/FLAGb9447a77a [2022-11-23 02:41:08,896 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/data/5266ffb61/cd6e09a403f24e908309c47eead85d4a [2022-11-23 02:41:08,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:41:08,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:41:08,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:41:08,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:41:08,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:41:08,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:08" (1/1) ... [2022-11-23 02:41:08,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf60735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:08, skipping insertion in model container [2022-11-23 02:41:08,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:08" (1/1) ... [2022-11-23 02:41:08,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:41:08,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:41:09,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:41:09,081 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:41:09,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:41:09,101 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:41:09,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09 WrapperNode [2022-11-23 02:41:09,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:41:09,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:41:09,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:41:09,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:41:09,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,128 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-11-23 02:41:09,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:41:09,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:41:09,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:41:09,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:41:09,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:41:09,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:41:09,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:41:09,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:41:09,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (1/1) ... [2022-11-23 02:41:09,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:09,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:09,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:09,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 02:41:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:41:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:41:09,291 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:41:09,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:41:09,379 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:41:09,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:41:09,388 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 02:41:09,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:09 BoogieIcfgContainer [2022-11-23 02:41:09,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:41:09,392 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 02:41:09,392 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 02:41:09,396 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 02:41:09,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:41:09,398 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:41:08" (1/3) ... [2022-11-23 02:41:09,399 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d53e16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:41:09, skipping insertion in model container [2022-11-23 02:41:09,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:41:09,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:09" (2/3) ... [2022-11-23 02:41:09,400 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d53e16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:41:09, skipping insertion in model container [2022-11-23 02:41:09,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:41:09,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:09" (3/3) ... [2022-11-23 02:41:09,402 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-01-false.c [2022-11-23 02:41:09,479 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 02:41:09,480 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 02:41:09,480 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 02:41:09,480 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 02:41:09,480 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 02:41:09,480 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 02:41:09,481 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 02:41:09,481 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 02:41:09,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-23 02:41:09,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 02:41:09,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:41:09,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:41:09,512 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 02:41:09,513 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:41:09,513 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 02:41:09,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-23 02:41:09,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 02:41:09,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:41:09,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:41:09,516 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 02:41:09,516 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:41:09,525 INFO L748 eck$LassoCheckResult]: Stem: 4#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~nondet0#1, main_#t~post1#1, main_#t~nondet2#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := 34; 8#L16-2true [2022-11-23 02:41:09,525 INFO L750 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(0 == main_~x~0#1);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := main_#t~post1#1 - 1;havoc main_#t~post1#1; 3#L18true assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~nondet2#1 := 0; 6#L18-4true main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8#L16-2true [2022-11-23 02:41:09,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:41:09,532 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-23 02:41:09,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:41:09,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390031621] [2022-11-23 02:41:09,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:41:09,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:41:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:41:09,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:41:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:41:09,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:41:09,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:41:09,753 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2022-11-23 02:41:09,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:41:09,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249215667] [2022-11-23 02:41:09,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:41:09,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:41:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:41:09,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:41:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:41:09,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:41:09,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:41:09,813 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2022-11-23 02:41:09,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:41:09,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121595257] [2022-11-23 02:41:09,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:41:09,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:41:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:41:09,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:41:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:41:09,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:41:09,997 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:41:09,998 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:41:09,998 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:41:09,999 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:41:09,999 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 02:41:09,999 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:41:10,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:41:10,000 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Loop [2022-11-23 02:41:10,001 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:41:10,001 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:41:10,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,125 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:41:10,125 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 02:41:10,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,138 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,138 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 02:41:10,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 02:41:10,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 02:41:10,238 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,238 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-6}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=6}] Lambdas: [1, 7, 1] Nus: [0, 1] [2022-11-23 02:41:10,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,250 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,254 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 02:41:10,271 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,271 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:41:10,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 02:41:10,313 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,314 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:41:10,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,340 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 02:41:10,374 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,374 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:41:10,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,391 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:41:10,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:41:10,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:41:10,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:41:10,392 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 02:41:10,393 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,393 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:41:10,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:41:10,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Lasso [2022-11-23 02:41:10,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:41:10,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:41:10,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,414 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 02:41:10,488 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:41:10,488 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 02:41:10,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,491 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 02:41:10,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,541 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 02:41:10,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 02:41:10,591 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,592 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=34} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-6}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=6}] Lambdas: [1, 7, 1] Nus: [0, 1] [2022-11-23 02:41:10,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,597 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 02:41:10,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,639 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,639 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:41:10,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,650 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-23 02:41:10,686 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,686 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:41:10,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,698 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 02:41:10,732 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,732 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:41:10,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-11-23 02:41:10,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,739 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 02:41:10,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,754 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,754 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:41:10,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-23 02:41:10,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:41:10,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:41:10,760 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:41:10,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 02:41:10,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 02:41:10,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 02:41:10,775 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 02:41:10,775 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 02:41:10,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-23 02:41:10,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:41:10 BoogieIcfgContainer [2022-11-23 02:41:10,799 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 02:41:10,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:41:10,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:41:10,800 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:41:10,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:41:09" (3/4) ... [2022-11-23 02:41:10,803 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-23 02:41:10,831 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:41:10,831 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:41:10,833 INFO L158 Benchmark]: Toolchain (without parser) took 1931.28ms. Allocated memory is still 165.7MB. Free memory was 135.4MB in the beginning and 65.3MB in the end (delta: 70.1MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2022-11-23 02:41:10,833 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:41:10,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.34ms. Allocated memory is still 165.7MB. Free memory was 135.4MB in the beginning and 126.1MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 02:41:10,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.65ms. Allocated memory is still 165.7MB. Free memory was 126.1MB in the beginning and 125.2MB in the end (delta: 945.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:41:10,835 INFO L158 Benchmark]: Boogie Preprocessor took 20.81ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 124.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:41:10,835 INFO L158 Benchmark]: RCFGBuilder took 239.64ms. Allocated memory is still 165.7MB. Free memory was 124.0MB in the beginning and 114.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 02:41:10,836 INFO L158 Benchmark]: BuchiAutomizer took 1407.10ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 67.1MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-23 02:41:10,837 INFO L158 Benchmark]: Witness Printer took 31.88ms. Allocated memory is still 165.7MB. Free memory was 67.1MB in the beginning and 65.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:41:10,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.34ms. Allocated memory is still 165.7MB. Free memory was 135.4MB in the beginning and 126.1MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.65ms. Allocated memory is still 165.7MB. Free memory was 126.1MB in the beginning and 125.2MB in the end (delta: 945.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.81ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 124.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.64ms. Allocated memory is still 165.7MB. Free memory was 124.0MB in the beginning and 114.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1407.10ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 67.1MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 31.88ms. Allocated memory is still 165.7MB. Free memory was 67.1MB in the beginning and 65.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. 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 1.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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: Lassos: inital14 mio100 ax100 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq212 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 16]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@7358c0a0=0, a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ddbb710=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@131bdf6f=0} State at position 1 is {x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@7358c0a0=0, a=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ddbb710=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@131bdf6f=0} For i>1, the state at position i is {x=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@7358c0a0=0 + sum_{k=0}^i 0, a=34 + sum_{k=0}^i -6 + -1*7^k + 6 + 6*k*7^(k-1), org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ddbb710=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@131bdf6f=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 7, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 16]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int a, x; [L14] x = __VERIFIER_nondet_int() [L15] a = 34 Loop: [L16] COND TRUE x==0 [L17] a-- [L18] x=x&a End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-23 02:41:10,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bc44b0-38d9-4046-8b65-afafb15010e2/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)