./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro --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 c8ad5919f2c7d8d20fdeb64562e90991d5514131c2ca388368b0a2f7daf1fa4e --- 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-8393723 [2022-11-18 20:49:28,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:49:28,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:49:28,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:49:28,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:49:28,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:49:28,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:49:28,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:49:28,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:49:28,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:49:28,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:49:28,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:49:28,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:49:28,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:49:28,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:49:28,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:49:28,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:49:28,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:49:28,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:49:28,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:49:28,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:49:28,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:49:28,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:49:28,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:49:28,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:49:28,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:49:28,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:49:28,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:49:28,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:49:28,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:49:28,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:49:28,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:49:28,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:49:28,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:49:28,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:49:28,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:49:28,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:49:28,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:49:28,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:49:28,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:49:28,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:49:28,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:49:28,329 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:49:28,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:49:28,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:49:28,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:49:28,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:49:28,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:49:28,335 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:49:28,335 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:49:28,335 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:49:28,336 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:49:28,337 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:49:28,337 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:49:28,337 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:49:28,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:49:28,338 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:49:28,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:49:28,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:49:28,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:49:28,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:49:28,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:49:28,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:49:28,339 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:49:28,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:49:28,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:49:28,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:49:28,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:49:28,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:49:28,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:49:28,343 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:49:28,344 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_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ad5919f2c7d8d20fdeb64562e90991d5514131c2ca388368b0a2f7daf1fa4e [2022-11-18 20:49:28,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:49:28,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:49:28,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:49:28,733 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:49:28,735 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:49:28,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-restricted-15/b.17.c [2022-11-18 20:49:28,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/data/1b0ed6339/b3b6a8bea91c46c7897f2edaee093d8e/FLAG33c6897a0 [2022-11-18 20:49:29,377 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:49:29,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/sv-benchmarks/c/termination-restricted-15/b.17.c [2022-11-18 20:49:29,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/data/1b0ed6339/b3b6a8bea91c46c7897f2edaee093d8e/FLAG33c6897a0 [2022-11-18 20:49:29,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/data/1b0ed6339/b3b6a8bea91c46c7897f2edaee093d8e [2022-11-18 20:49:29,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:49:29,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:49:29,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:49:29,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:49:29,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:49:29,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:29" (1/1) ... [2022-11-18 20:49:29,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6300426c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:29, skipping insertion in model container [2022-11-18 20:49:29,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:29" (1/1) ... [2022-11-18 20:49:29,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:49:29,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:49:29,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:49:29,964 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:49:29,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:49:30,005 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:49:30,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30 WrapperNode [2022-11-18 20:49:30,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:49:30,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:49:30,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:49:30,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:49:30,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,050 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-18 20:49:30,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:49:30,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:49:30,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:49:30,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:49:30,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,072 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:49:30,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:49:30,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:49:30,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:49:30,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (1/1) ... [2022-11-18 20:49:30,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:30,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:30,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:30,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:49:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:49:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:49:30,254 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:49:30,258 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:49:30,357 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:49:30,364 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:49:30,364 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:49:30,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:30 BoogieIcfgContainer [2022-11-18 20:49:30,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:49:30,370 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:49:30,371 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:49:30,375 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:49:30,376 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:49:30,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:49:29" (1/3) ... [2022-11-18 20:49:30,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@738eadf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:49:30, skipping insertion in model container [2022-11-18 20:49:30,378 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:49:30,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:30" (2/3) ... [2022-11-18 20:49:30,379 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@738eadf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:49:30, skipping insertion in model container [2022-11-18 20:49:30,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:49:30,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:30" (3/3) ... [2022-11-18 20:49:30,380 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.17.c [2022-11-18 20:49:30,455 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:49:30,455 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:49:30,455 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:49:30,455 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:49:30,455 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:49:30,456 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:49:30,456 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:49:30,456 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:49:30,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2022-11-18 20:49:30,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:49:30,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:49:30,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:49:30,502 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:49:30,503 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:49:30,503 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:49:30,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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) [2022-11-18 20:49:30,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:49:30,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:49:30,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:49:30,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:49:30,506 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:49:30,517 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~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_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 2#L12-2true [2022-11-18 20:49:30,519 INFO L750 eck$LassoCheckResult]: Loop: 2#L12-2true assume !!(main_~x~0#1 > main_~z~0#1); 7#L13-2true assume !(main_~y~0#1 > main_~z~0#1); 8#L13-3true main_~x~0#1 := main_~x~0#1 - 1; 2#L12-2true [2022-11-18 20:49:30,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 20:49:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:30,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371450626] [2022-11-18 20:49:30,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:30,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:30,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:30,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:30,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:30,678 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2022-11-18 20:49:30,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:30,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557201406] [2022-11-18 20:49:30,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:30,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:30,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:30,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:30,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:30,730 INFO L85 PathProgramCache]: Analyzing trace with hash 28699886, now seen corresponding path program 1 times [2022-11-18 20:49:30,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:30,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284336224] [2022-11-18 20:49:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:30,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:30,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:30,884 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:49:30,885 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:49:30,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:49:30,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:49:30,885 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:49:30,886 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:30,886 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:49:30,886 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:49:30,886 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration1_Loop [2022-11-18 20:49:30,886 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:49:30,887 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:49:30,913 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:30,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:30,931 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:31,013 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:49:31,014 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:49:31,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:31,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:31,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:31,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:49:31,038 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:49:31,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:49:31,075 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:49:31,075 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: [] [2022-11-18 20:49:31,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:31,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:31,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:31,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:31,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:49:31,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:49:31,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:49:31,127 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:49:31,127 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: [] [2022-11-18 20:49:31,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:31,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:31,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:31,142 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:31,158 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:49:31,158 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:49:31,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:49:31,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:31,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:31,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:31,211 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:31,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:49:31,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:49:31,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:49:31,492 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:49:31,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:31,500 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:49:31,501 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:49:31,501 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:49:31,501 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:49:31,501 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:49:31,501 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:31,501 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:49:31,501 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:49:31,501 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration1_Loop [2022-11-18 20:49:31,501 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:49:31,501 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:49:31,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:31,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:31,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:31,569 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:49:31,574 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:49:31,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:31,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:31,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:31,596 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 [2022-11-18 20:49:31,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:49:31,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:49:31,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:49:31,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:49:31,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:49:31,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:49:31,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:49:31,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:49:31,627 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:49:31,633 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-18 20:49:31,633 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-18 20:49:31,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:31,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:31,639 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:31,663 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:49:31,664 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:49:31,664 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:49:31,665 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2022-11-18 20:49:31,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:49:31,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:31,673 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:49:31,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:31,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:49:31,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:49:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:31,724 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:49:31,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:49:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:31,790 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:49:31,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-18 20:49:31,838 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 24 states and 36 transitions. Complement of second has 7 states. [2022-11-18 20:49:31,841 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 [2022-11-18 20:49:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-18 20:49:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-11-18 20:49:31,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-18 20:49:31,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:49:31,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-18 20:49:31,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:49:31,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-18 20:49:31,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:49:31,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. [2022-11-18 20:49:31,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:49:31,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2022-11-18 20:49:31,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2022-11-18 20:49:31,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2022-11-18 20:49:31,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2022-11-18 20:49:31,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:49:31,881 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2022-11-18 20:49:31,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:31,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2022-11-18 20:49:31,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2022-11-18 20:49:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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) [2022-11-18 20:49:31,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2022-11-18 20:49:31,920 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2022-11-18 20:49:31,920 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2022-11-18 20:49:31,921 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:49:31,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2022-11-18 20:49:31,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:49:31,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:49:31,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:49:31,922 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:49:31,922 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:49:31,922 INFO L748 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 79#L-1 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_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~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_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 74#L12-2 assume !!(main_~x~0#1 > main_~z~0#1); 76#L13-2 [2022-11-18 20:49:31,923 INFO L750 eck$LassoCheckResult]: Loop: 76#L13-2 assume !!(main_~y~0#1 > main_~z~0#1);main_~y~0#1 := main_~y~0#1 - 1; 76#L13-2 [2022-11-18 20:49:31,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:31,923 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-18 20:49:31,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:31,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872403375] [2022-11-18 20:49:31,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:31,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:31,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:31,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:31,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:31,950 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2022-11-18 20:49:31,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:31,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106419299] [2022-11-18 20:49:31,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:31,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:31,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:31,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:31,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:31,963 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2022-11-18 20:49:31,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:31,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895627444] [2022-11-18 20:49:31,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:31,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:31,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:49:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:49:31,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:49:32,019 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:49:32,020 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:49:32,020 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:49:32,020 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:49:32,020 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:49:32,020 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:32,020 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:49:32,020 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:49:32,021 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration2_Loop [2022-11-18 20:49:32,021 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:49:32,021 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:49:32,024 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:32,030 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:32,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:32,095 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:49:32,095 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:49:32,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:32,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:32,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:32,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:49:32,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:49:32,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:49:32,156 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:49:32,156 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 20:49:32,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:32,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:32,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:32,170 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:32,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:49:32,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:49:32,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:49:32,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:32,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:32,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:32,225 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:32,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:49:32,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:49:32,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:49:32,472 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:49:32,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:32,481 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:49:32,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:49:32,482 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:49:32,482 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:49:32,482 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:49:32,482 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:32,482 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:49:32,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:49:32,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17.c_Iteration2_Loop [2022-11-18 20:49:32,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:49:32,482 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:49:32,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:32,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:32,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:49:32,536 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:49:32,536 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:49:32,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:32,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:32,538 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:32,547 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 [2022-11-18 20:49:32,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:49:32,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:49:32,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:49:32,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:49:32,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:49:32,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:49:32,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:49:32,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:49:32,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:32,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:32,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:32,590 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:32,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:49:32,598 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 [2022-11-18 20:49:32,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:49:32,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:49:32,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:49:32,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:49:32,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:49:32,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:49:32,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:49:32,623 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:49:32,627 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:49:32,627 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:49:32,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:49:32,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:49:32,631 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:49:32,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:49:32,640 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:49:32,640 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:49:32,640 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2022-11-18 20:49:32,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:49:32,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:32,651 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:49:32,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:32,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:49:32,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:49:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:32,682 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:49:32,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:49:32,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:49:32,684 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-18 20:49:32,684 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:49:32,696 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 14 states and 19 transitions. Complement of second has 4 states. [2022-11-18 20:49:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:49:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:49:32,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2022-11-18 20:49:32,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-18 20:49:32,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:49:32,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 1 letters. [2022-11-18 20:49:32,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:49:32,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-18 20:49:32,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:49:32,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2022-11-18 20:49:32,703 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:49:32,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2022-11-18 20:49:32,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:49:32,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:49:32,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:49:32,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:49:32,704 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:49:32,704 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:49:32,704 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:49:32,704 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:49:32,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:49:32,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:49:32,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:49:32,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:49:32 BoogieIcfgContainer [2022-11-18 20:49:32,713 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:49:32,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:49:32,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:49:32,713 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:49:32,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:30" (3/4) ... [2022-11-18 20:49:32,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:49:32,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:49:32,721 INFO L158 Benchmark]: Toolchain (without parser) took 2984.17ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 76.5MB in the beginning and 89.0MB in the end (delta: -12.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-18 20:49:32,722 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory was 83.0MB in the beginning and 82.9MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:49:32,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.97ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 87.8MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:49:32,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.62ms. Allocated memory is still 111.1MB. Free memory was 87.8MB in the beginning and 86.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:49:32,727 INFO L158 Benchmark]: Boogie Preprocessor took 23.05ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 85.7MB in the end (delta: 787.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:49:32,731 INFO L158 Benchmark]: RCFGBuilder took 290.89ms. Allocated memory is still 111.1MB. Free memory was 85.7MB in the beginning and 77.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:49:32,732 INFO L158 Benchmark]: BuchiAutomizer took 2342.28ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 77.3MB in the beginning and 89.0MB in the end (delta: -11.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-18 20:49:32,732 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 134.2MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:49:32,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory was 83.0MB in the beginning and 82.9MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.97ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 87.8MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.62ms. Allocated memory is still 111.1MB. Free memory was 87.8MB in the beginning and 86.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.05ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 85.7MB in the end (delta: 787.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.89ms. Allocated memory is still 111.1MB. Free memory was 85.7MB in the beginning and 77.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2342.28ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 77.3MB in the beginning and 89.0MB in the end (delta: -11.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 134.2MB. Free memory is still 89.0MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * z + x and consists of 5 locations. One deterministic module has affine ranking function -1 * z + y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf100 lsp49 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq151 hnf94 smp100 dnf100 smp100 tf111 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:49:32,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:49:32,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cca3608-428f-492e-942f-8f9eeefe4754/bin/uautomizer-TMbwUNV5ro/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