./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.09_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.09_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R --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 ecd53fc1983ec7221b54e3467b23316f260ef4286a86531362dd236dd661ea1a --- 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-38b53e6 [2022-11-25 17:20:17,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:20:17,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:20:17,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:20:17,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:20:17,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:20:17,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:20:17,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:20:17,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:20:17,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:20:17,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:20:17,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:20:17,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:20:17,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:20:17,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:20:17,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:20:17,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:20:17,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:20:17,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:20:17,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:20:17,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:20:17,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:20:17,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:20:17,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:20:17,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:20:17,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:20:17,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:20:17,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:20:17,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:20:17,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:20:17,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:20:17,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:20:17,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:20:17,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:20:17,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:20:17,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:20:17,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:20:17,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:20:17,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:20:17,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:20:17,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:20:17,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 17:20:17,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:20:17,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:20:17,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:20:17,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:20:17,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:20:17,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:20:17,192 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:20:17,193 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:20:17,193 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:20:17,193 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:20:17,194 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:20:17,194 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:20:17,194 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:20:17,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:20:17,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:20:17,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:20:17,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:20:17,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:20:17,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:20:17,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:20:17,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:20:17,196 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:20:17,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:20:17,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:20:17,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:20:17,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:20:17,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:20:17,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:20:17,199 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:20:17,199 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_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecd53fc1983ec7221b54e3467b23316f260ef4286a86531362dd236dd661ea1a [2022-11-25 17:20:17,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:20:17,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:20:17,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:20:17,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:20:17,527 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:20:17,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-restricted-15/b.09_assume.c [2022-11-25 17:20:20,636 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:20:20,851 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:20:20,851 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/sv-benchmarks/c/termination-restricted-15/b.09_assume.c [2022-11-25 17:20:20,857 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/data/cc3c6d9d0/1ae43855ffb84edb88409d33920c85ff/FLAG4c76bb2ca [2022-11-25 17:20:20,876 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/data/cc3c6d9d0/1ae43855ffb84edb88409d33920c85ff [2022-11-25 17:20:20,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:20:20,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:20:20,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:20:20,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:20:20,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:20:20,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:20" (1/1) ... [2022-11-25 17:20:20,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d1ca35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:20, skipping insertion in model container [2022-11-25 17:20:20,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:20:20" (1/1) ... [2022-11-25 17:20:20,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:20:20,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:20:21,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:20:21,115 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:20:21,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:20:21,136 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:20:21,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21 WrapperNode [2022-11-25 17:20:21,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:20:21,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:20:21,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:20:21,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:20:21,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,166 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-25 17:20:21,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:20:21,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:20:21,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:20:21,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:20:21,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:20:21,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:20:21,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:20:21,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:20:21,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (1/1) ... [2022-11-25 17:20:21,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:21,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:21,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:21,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:20:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:20:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:20:21,320 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:20:21,322 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:20:21,378 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:20:21,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:20:21,385 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:20:21,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:21 BoogieIcfgContainer [2022-11-25 17:20:21,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:20:21,389 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:20:21,389 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:20:21,393 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:20:21,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:20:21,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:20:20" (1/3) ... [2022-11-25 17:20:21,395 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f14673f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:20:21, skipping insertion in model container [2022-11-25 17:20:21,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:20:21,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:20:21" (2/3) ... [2022-11-25 17:20:21,396 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f14673f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:20:21, skipping insertion in model container [2022-11-25 17:20:21,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:20:21,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:21" (3/3) ... [2022-11-25 17:20:21,398 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.09_assume.c [2022-11-25 17:20:21,495 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:20:21,495 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:20:21,496 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:20:21,496 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:20:21,496 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:20:21,496 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:20:21,496 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:20:21,497 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:20:21,516 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) [2022-11-25 17:20:21,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 17:20:21,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:20:21,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:20:21,540 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 17:20:21,540 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 17:20:21,540 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:20:21,541 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) [2022-11-25 17:20:21,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 17:20:21,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:20:21,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:20:21,543 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 17:20:21,543 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 17:20:21,550 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~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 10#L11true assume main_~y~0#1 > 0; 2#L12-2true [2022-11-25 17:20:21,551 INFO L750 eck$LassoCheckResult]: Loop: 2#L12-2true assume !!(main_~x~0#1 > 0); 6#L13true assume main_~x~0#1 > main_~y~0#1;main_~x~0#1 := main_~y~0#1; 8#L13-2true main_~c~0#1 := 1 + main_~c~0#1; 2#L12-2true [2022-11-25 17:20:21,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:21,557 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-25 17:20:21,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:21,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815649710] [2022-11-25 17:20:21,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:21,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:20:21,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:20:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:20:21,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:20:21,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:21,676 INFO L85 PathProgramCache]: Analyzing trace with hash 43793, now seen corresponding path program 1 times [2022-11-25 17:20:21,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:21,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565979065] [2022-11-25 17:20:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:21,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:20:21,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:20:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:20:21,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:20:21,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:21,709 INFO L85 PathProgramCache]: Analyzing trace with hash 889513680, now seen corresponding path program 1 times [2022-11-25 17:20:21,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:21,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076595681] [2022-11-25 17:20:21,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:21,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:20:21,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:20:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:20:21,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:20:21,870 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:20:21,875 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:20:21,875 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:20:21,875 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:20:21,875 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 17:20:21,875 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:21,876 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:20:21,877 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:20:21,877 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume.c_Iteration1_Loop [2022-11-25 17:20:21,877 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:20:21,877 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:20:21,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:20:21,912 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:20:21,917 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:20:21,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:20:22,011 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:20:22,012 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 17:20:22,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:20:22,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:20:22,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 17:20:22,049 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:20:22,049 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 17:20:22,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:22,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 17:20:22,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:20:22,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:20:22,084 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:20:22,084 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 17:20:22,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:22,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,107 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:20:22,107 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:20:22,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 17:20:22,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:22,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:20:22,154 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:20:22,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 17:20:22,191 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:20:22,191 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=4}, {ULTIMATE.start_main_~c~0#1=-8}, {ULTIMATE.start_main_~c~0#1=5}] Lambdas: [3, 1, 1] Nus: [1, 0] [2022-11-25 17:20:22,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:22,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,203 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,212 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:20:22,212 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:20:22,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 17:20:22,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:22,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,255 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:20:22,264 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:20:22,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 17:20:22,400 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 17:20:22,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-25 17:20:22,406 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:20:22,407 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:20:22,407 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:20:22,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:20:22,407 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 17:20:22,407 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,407 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:20:22,407 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:20:22,407 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume.c_Iteration1_Loop [2022-11-25 17:20:22,408 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:20:22,408 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:20:22,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:20:22,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:20:22,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:20:22,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:20:22,507 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:20:22,511 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 17:20:22,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,514 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 17:20:22,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:20:22,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:20:22,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:20:22,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:20:22,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 17:20:22,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 17:20:22,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 17:20:22,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:20:22,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:22,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,578 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 17:20:22,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 17:20:22,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:20:22,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:20:22,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:20:22,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:20:22,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 17:20:22,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 17:20:22,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:20:22,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:22,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,638 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 17:20:22,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 17:20:22,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:20:22,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:20:22,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:20:22,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:20:22,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:20:22,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 17:20:22,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:20:22,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:20:22,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:22,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,688 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 17:20:22,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 17:20:22,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:20:22,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:20:22,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:20:22,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:20:22,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:20:22,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 17:20:22,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:20:22,721 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 17:20:22,726 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 17:20:22,727 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 17:20:22,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:20:22,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:22,767 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:20:22,772 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 17:20:22,772 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 17:20:22,772 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 17:20:22,773 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-25 17:20:22,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 17:20:22,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:22,786 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 17:20:22,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:22,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:20:22,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:22,851 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 17:20:22,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:20:23,005 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-25 17:20:23,008 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-25 17:20:23,072 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First 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). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) Result 27 states and 31 transitions. Complement of second has 7 states. [2022-11-25 17:20:23,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 17:20:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-25 17:20:23,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-11-25 17:20:23,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-25 17:20:23,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:20:23,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-25 17:20:23,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:20:23,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-25 17:20:23,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:20:23,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2022-11-25 17:20:23,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:20:23,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2022-11-25 17:20:23,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 17:20:23,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 17:20:23,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 17:20:23,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:20:23,108 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:20:23,108 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:20:23,108 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:20:23,108 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:20:23,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:20:23,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:20:23,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 17:20:23,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:20:23 BoogieIcfgContainer [2022-11-25 17:20:23,116 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:20:23,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:20:23,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:20:23,117 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:20:23,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:20:21" (3/4) ... [2022-11-25 17:20:23,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:20:23,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:20:23,121 INFO L158 Benchmark]: Toolchain (without parser) took 2238.06ms. Allocated memory is still 167.8MB. Free memory was 133.3MB in the beginning and 63.9MB in the end (delta: 69.4MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2022-11-25 17:20:23,122 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:20:23,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.52ms. Allocated memory is still 167.8MB. Free memory was 133.3MB in the beginning and 133.9MB in the end (delta: -537.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:20:23,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.62ms. Allocated memory is still 167.8MB. Free memory was 133.1MB in the beginning and 132.3MB in the end (delta: 765.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:20:23,123 INFO L158 Benchmark]: Boogie Preprocessor took 18.78ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 131.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:20:23,124 INFO L158 Benchmark]: RCFGBuilder took 200.87ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 121.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:20:23,124 INFO L158 Benchmark]: BuchiAutomizer took 1727.24ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 63.9MB in the end (delta: 57.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-25 17:20:23,125 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 167.8MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:20:23,127 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 123.7MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.52ms. Allocated memory is still 167.8MB. Free memory was 133.3MB in the beginning and 133.9MB in the end (delta: -537.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.62ms. Allocated memory is still 167.8MB. Free memory was 133.1MB in the beginning and 132.3MB in the end (delta: 765.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.78ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 131.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 200.87ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 121.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1727.24ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 63.9MB in the end (delta: 57.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 167.8MB. Free memory is still 63.9MB. 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq136 hnf93 smp100 dnf100 smp100 tf114 neg100 sie125 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 17:20:23,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:23,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31451ac-2c09-4be8-ad14-95b9371bb02d/bin/uautomizer-ZsLfNo2U6R/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 Result: TRUE