./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN --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 9200f4b7c01ae534db411c2832d0714b6eaa58a9d668730c8aeb9497dccadca2 --- 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-6b4ec56 [2022-11-20 10:35:22,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:35:22,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:35:22,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:35:22,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:35:22,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:35:22,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:35:22,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:35:22,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:35:22,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:35:22,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:35:22,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:35:22,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:35:22,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:35:22,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:35:22,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:35:22,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:35:22,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:35:22,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:35:22,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:35:22,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:35:22,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:35:22,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:35:22,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:35:22,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:35:22,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:35:22,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:35:22,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:35:22,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:35:22,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:35:22,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:35:22,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:35:22,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:35:22,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:35:22,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:35:22,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:35:22,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:35:22,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:35:22,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:35:22,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:35:22,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:35:22,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 10:35:22,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:35:22,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:35:22,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:35:22,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:35:22,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:35:22,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:35:22,259 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:35:22,260 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:35:22,260 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:35:22,260 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:35:22,261 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:35:22,262 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:35:22,262 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:35:22,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:35:22,262 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:35:22,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:35:22,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:35:22,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:35:22,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:35:22,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:35:22,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:35:22,264 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:35:22,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:35:22,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:35:22,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:35:22,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:35:22,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:35:22,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:35:22,268 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:35:22,268 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_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9200f4b7c01ae534db411c2832d0714b6eaa58a9d668730c8aeb9497dccadca2 [2022-11-20 10:35:22,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:35:22,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:35:22,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:35:22,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:35:22,575 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:35:22,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2022-11-20 10:35:25,788 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:35:26,011 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:35:26,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2022-11-20 10:35:26,021 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/data/a55a27d38/298b4874189140f1abed5b27ae5092e8/FLAG00fd2bd30 [2022-11-20 10:35:26,046 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/data/a55a27d38/298b4874189140f1abed5b27ae5092e8 [2022-11-20 10:35:26,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:35:26,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:35:26,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:35:26,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:35:26,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:35:26,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d11c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26, skipping insertion in model container [2022-11-20 10:35:26,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:35:26,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:35:26,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:35:26,340 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:35:26,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:35:26,376 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:35:26,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26 WrapperNode [2022-11-20 10:35:26,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:35:26,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:35:26,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:35:26,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:35:26,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,420 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-20 10:35:26,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:35:26,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:35:26,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:35:26,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:35:26,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:35:26,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:35:26,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:35:26,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:35:26,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (1/1) ... [2022-11-20 10:35:26,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:26,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:26,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:26,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:35:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:35:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:35:26,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:35:26,675 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:35:26,815 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:35:26,826 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:35:26,827 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:35:26,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:26 BoogieIcfgContainer [2022-11-20 10:35:26,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:35:26,831 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:35:26,832 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:35:26,837 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:35:26,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:35:26,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:35:26" (1/3) ... [2022-11-20 10:35:26,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4316f5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:35:26, skipping insertion in model container [2022-11-20 10:35:26,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:35:26,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:26" (2/3) ... [2022-11-20 10:35:26,843 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4316f5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:35:26, skipping insertion in model container [2022-11-20 10:35:26,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:35:26,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:26" (3/3) ... [2022-11-20 10:35:26,846 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-loops.c [2022-11-20 10:35:26,957 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:35:26,957 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:35:26,957 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:35:26,958 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:35:26,958 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:35:26,958 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:35:26,958 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:35:26,958 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:35:26,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2022-11-20 10:35:26,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 10:35:26,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:35:26,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:35:26,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:35:26,990 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 10:35:26,991 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:35:26,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2022-11-20 10:35:26,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 10:35:26,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:35:26,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:35:26,993 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:35:26,993 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 10:35:27,002 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_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~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_~x~0#1 := main_~n~0#1; 4#L18true assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 2#L19-2true [2022-11-20 10:35:27,003 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 7#L21true assume !(main_~y~0#1 < main_~x~0#1); 11#L21-1true main_~x~0#1 := main_~x~0#1 - 1; 2#L19-2true [2022-11-20 10:35:27,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:27,010 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-20 10:35:27,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:27,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422773684] [2022-11-20 10:35:27,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:27,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:27,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:27,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:27,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:27,175 INFO L85 PathProgramCache]: Analyzing trace with hash 44239, now seen corresponding path program 1 times [2022-11-20 10:35:27,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:27,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996387712] [2022-11-20 10:35:27,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:27,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:27,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:27,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:27,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:27,199 INFO L85 PathProgramCache]: Analyzing trace with hash 889514126, now seen corresponding path program 1 times [2022-11-20 10:35:27,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:27,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807916325] [2022-11-20 10:35:27,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:27,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:27,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:27,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:27,307 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:35:27,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:35:27,308 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:35:27,308 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:35:27,308 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:35:27,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:27,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:35:27,309 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:35:27,309 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration1_Loop [2022-11-20 10:35:27,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:35:27,310 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:35:27,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:27,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:27,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:27,462 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:35:27,462 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:35:27,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:27,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:27,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:27,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:27,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:27,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 10:35:27,543 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:27,543 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: [] [2022-11-20 10:35:27,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:27,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:27,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:27,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:27,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 10:35:27,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:27,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:27,591 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:27,591 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: [] [2022-11-20 10:35:27,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:27,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:27,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:27,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:27,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:27,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:27,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 10:35:27,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:27,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:27,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:27,660 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:27,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 10:35:27,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:35:27,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:27,708 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:35:27,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:27,722 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:35:27,723 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:35:27,723 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:35:27,723 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:35:27,723 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:35:27,723 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:27,723 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:35:27,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:35:27,724 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration1_Loop [2022-11-20 10:35:27,724 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:35:27,724 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:35:27,727 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:27,733 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:27,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:27,815 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:35:27,820 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:35:27,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:27,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:27,824 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:27,839 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 [2022-11-20 10:35:27,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 10:35:27,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:27,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:27,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:27,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:27,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:27,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:27,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:27,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:27,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:27,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:27,907 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:27,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 10:35:27,915 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 [2022-11-20 10:35:27,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:27,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:27,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:27,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:27,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:27,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:27,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:27,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:27,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:27,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:27,978 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:27,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 10:35:27,991 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 [2022-11-20 10:35:28,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:28,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:28,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:28,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:28,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:28,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:35:28,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:28,025 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:35:28,031 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 10:35:28,031 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 10:35:28,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:28,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:28,070 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:28,077 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:35:28,091 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 10:35:28,091 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:35:28,092 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2022-11-20 10:35:28,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 10:35:28,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:28,110 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 10:35:28,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:28,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:35:28,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:28,196 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:35:28,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:28,274 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 [2022-11-20 10:35:28,277 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 2.0) internal successors, (6), 3 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) [2022-11-20 10:35:28,361 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 2.0) internal successors, (6), 3 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 31 states and 45 transitions. Complement of second has 7 states. [2022-11-20 10:35:28,363 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 [2022-11-20 10:35:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-11-20 10:35:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2022-11-20 10:35:28,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-20 10:35:28,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:28,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-20 10:35:28,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:28,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-20 10:35:28,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:28,375 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2022-11-20 10:35:28,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:28,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 10 states and 14 transitions. [2022-11-20 10:35:28,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-11-20 10:35:28,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 10:35:28,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2022-11-20 10:35:28,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:35:28,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2022-11-20 10:35:28,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2022-11-20 10:35:28,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-20 10:35:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-11-20 10:35:28,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2022-11-20 10:35:28,428 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2022-11-20 10:35:28,428 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2022-11-20 10:35:28,428 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:35:28,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2022-11-20 10:35:28,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:28,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:35:28,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:35:28,430 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 10:35:28,430 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:35:28,430 INFO L748 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 92#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_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~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_~x~0#1 := main_~n~0#1; 90#L18 assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 86#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 87#L21 assume main_~y~0#1 < main_~x~0#1; 93#L22-2 [2022-11-20 10:35:28,431 INFO L750 eck$LassoCheckResult]: Loop: 93#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 93#L22-2 [2022-11-20 10:35:28,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:28,432 INFO L85 PathProgramCache]: Analyzing trace with hash 28693989, now seen corresponding path program 1 times [2022-11-20 10:35:28,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:28,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861669646] [2022-11-20 10:35:28,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:28,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:28,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:28,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:28,446 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2022-11-20 10:35:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:28,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650505721] [2022-11-20 10:35:28,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:28,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:28,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:28,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:28,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:28,458 INFO L85 PathProgramCache]: Analyzing trace with hash 889513685, now seen corresponding path program 1 times [2022-11-20 10:35:28,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:28,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14511897] [2022-11-20 10:35:28,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:28,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:28,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:28,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:28,546 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:35:28,547 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:35:28,547 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:35:28,547 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:35:28,547 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:35:28,548 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:28,548 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:35:28,548 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:35:28,548 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration2_Lasso [2022-11-20 10:35:28,548 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:35:28,549 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:35:28,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:28,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:28,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:28,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:28,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:28,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:28,678 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:35:28,678 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:35:28,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:28,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:28,683 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:28,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:28,692 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:28,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 10:35:28,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:28,720 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: [] [2022-11-20 10:35:28,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:28,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:28,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:28,729 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:28,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:28,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:28,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 10:35:28,779 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:28,779 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:35:28,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:28,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:28,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:28,792 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:28,805 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:28,805 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:28,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 10:35:28,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:28,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:28,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:28,852 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:28,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 10:35:28,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:35:28,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:41,972 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-20 10:35:42,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-20 10:35:42,012 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:35:42,012 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:35:42,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:35:42,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:35:42,012 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:35:42,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:42,013 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:35:42,013 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:35:42,013 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration2_Lasso [2022-11-20 10:35:42,013 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:35:42,013 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:35:42,015 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:42,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:42,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:42,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:42,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:42,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:42,170 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:35:42,171 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:35:42,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:42,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:42,172 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:42,183 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 [2022-11-20 10:35:42,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 10:35:42,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:42,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:42,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:42,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:42,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:42,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:42,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:42,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:42,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:42,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:42,227 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:42,237 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 [2022-11-20 10:35:42,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 10:35:42,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:42,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:42,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:42,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:42,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:42,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:35:42,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:42,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:42,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:42,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:42,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:42,272 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:42,279 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 [2022-11-20 10:35:42,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 10:35:42,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:42,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:42,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:42,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:42,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:42,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:35:42,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:42,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:42,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:42,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:42,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:42,331 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:42,341 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 [2022-11-20 10:35:42,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 10:35:42,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:42,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:42,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:42,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:42,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:42,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:42,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:42,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:42,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:42,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:42,395 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:42,400 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 [2022-11-20 10:35:42,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 10:35:42,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:42,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:42,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:42,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:42,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:42,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:42,449 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:35:42,494 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-20 10:35:42,494 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-11-20 10:35:42,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:42,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:42,514 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:42,564 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:35:42,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 10:35:42,603 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 10:35:42,603 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:35:42,604 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2022-11-20 10:35:42,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:42,628 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 10:35:42,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:42,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:35:42,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:42,715 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:35:42,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:42,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:42,717 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-11-20 10:35:42,725 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-11-20 10:35:42,766 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 21 states and 29 transitions. Complement of second has 6 states. [2022-11-20 10:35:42,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 10:35:42,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-11-20 10:35:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-20 10:35:42,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-20 10:35:42,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:42,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 1 letters. [2022-11-20 10:35:42,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:42,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-20 10:35:42,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:42,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 29 transitions. [2022-11-20 10:35:42,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:42,774 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2022-11-20 10:35:42,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 10:35:42,774 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 10:35:42,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2022-11-20 10:35:42,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:35:42,775 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-20 10:35:42,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2022-11-20 10:35:42,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 13. [2022-11-20 10:35:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-11-20 10:35:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-20 10:35:42,777 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-20 10:35:42,777 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-20 10:35:42,778 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 10:35:42,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-11-20 10:35:42,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:42,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:35:42,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:35:42,779 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2022-11-20 10:35:42,780 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:35:42,780 INFO L748 eck$LassoCheckResult]: Stem: 169#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 170#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_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~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_~x~0#1 := main_~n~0#1; 168#L18 assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 165#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 166#L21 assume main_~y~0#1 < main_~x~0#1; 174#L22-2 assume !(main_~y~0#1 < main_~x~0#1); 175#L21-1 main_~x~0#1 := main_~x~0#1 - 1; 176#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 171#L21 assume main_~y~0#1 < main_~x~0#1; 172#L22-2 [2022-11-20 10:35:42,780 INFO L750 eck$LassoCheckResult]: Loop: 172#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 172#L22-2 [2022-11-20 10:35:42,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash -446053903, now seen corresponding path program 1 times [2022-11-20 10:35:42,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:42,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105744882] [2022-11-20 10:35:42,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:42,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:42,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:35:42,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105744882] [2022-11-20 10:35:42,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105744882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:35:42,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:35:42,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:35:42,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652766664] [2022-11-20 10:35:42,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:35:42,834 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:35:42,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:42,834 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 2 times [2022-11-20 10:35:42,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:42,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401360047] [2022-11-20 10:35:42,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:42,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:42,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:42,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:42,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:35:42,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:35:42,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:35:42,873 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-20 10:35:42,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:35:42,890 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-11-20 10:35:42,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-11-20 10:35:42,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:42,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2022-11-20 10:35:42,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-20 10:35:42,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-20 10:35:42,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-11-20 10:35:42,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:35:42,893 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 10:35:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-11-20 10:35:42,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-11-20 10:35:42,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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) [2022-11-20 10:35:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-11-20 10:35:42,901 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-20 10:35:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:35:42,906 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-20 10:35:42,907 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 10:35:42,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-11-20 10:35:42,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:42,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:35:42,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:35:42,909 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 10:35:42,909 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:35:42,909 INFO L748 eck$LassoCheckResult]: Stem: 203#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 204#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~n~0#1; 202#L18 assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 199#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 200#L21 assume main_~y~0#1 < main_~x~0#1; 207#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 209#L22-2 assume !(main_~y~0#1 < main_~x~0#1); 212#L21-1 main_~x~0#1 := main_~x~0#1 - 1; 210#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 205#L21 assume main_~y~0#1 < main_~x~0#1; 206#L22-2 [2022-11-20 10:35:42,909 INFO L750 eck$LassoCheckResult]: Loop: 206#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 206#L22-2 [2022-11-20 10:35:42,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:42,910 INFO L85 PathProgramCache]: Analyzing trace with hash -941171999, now seen corresponding path program 1 times [2022-11-20 10:35:42,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:42,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033477261] [2022-11-20 10:35:42,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:42,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:43,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:35:43,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033477261] [2022-11-20 10:35:43,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033477261] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:35:43,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270827925] [2022-11-20 10:35:43,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:43,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:35:43,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:43,016 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:35:43,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-20 10:35:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:43,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:35:43,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:43,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:35:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:43,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270827925] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:35:43,157 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:35:43,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2022-11-20 10:35:43,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537596567] [2022-11-20 10:35:43,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:35:43,158 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:35:43,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:43,158 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 3 times [2022-11-20 10:35:43,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:43,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340212948] [2022-11-20 10:35:43,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:43,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:43,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:43,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:43,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:35:43,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:35:43,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:35:43,183 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand has 8 states, 7 states have (on average 1.7142857142857142) 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) [2022-11-20 10:35:43,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:35:43,275 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2022-11-20 10:35:43,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2022-11-20 10:35:43,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:43,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 15 states and 17 transitions. [2022-11-20 10:35:43,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-20 10:35:43,278 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-20 10:35:43,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2022-11-20 10:35:43,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:35:43,278 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-20 10:35:43,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2022-11-20 10:35:43,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2022-11-20 10:35:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 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) [2022-11-20 10:35:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2022-11-20 10:35:43,281 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-11-20 10:35:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:35:43,282 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-11-20 10:35:43,282 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 10:35:43,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2022-11-20 10:35:43,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:35:43,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:35:43,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:35:43,284 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 10:35:43,284 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:35:43,284 INFO L748 eck$LassoCheckResult]: Stem: 319#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 320#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_~x~0#1, main_~y~0#1, main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~n~0#1;main_~n~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_~x~0#1 := main_~n~0#1; 318#L18 assume main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823; 314#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 315#L21 assume main_~y~0#1 < main_~x~0#1; 322#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 323#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 325#L22-2 assume !(main_~y~0#1 < main_~x~0#1); 324#L21-1 main_~x~0#1 := main_~x~0#1 - 1; 316#L19-2 assume !!(main_~x~0#1 >= 0);main_~y~0#1 := 1; 317#L21 assume main_~y~0#1 < main_~x~0#1; 321#L22-2 [2022-11-20 10:35:43,284 INFO L750 eck$LassoCheckResult]: Loop: 321#L22-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 321#L22-2 [2022-11-20 10:35:43,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:43,285 INFO L85 PathProgramCache]: Analyzing trace with hash 890036209, now seen corresponding path program 2 times [2022-11-20 10:35:43,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:43,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883226035] [2022-11-20 10:35:43,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:43,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:43,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:43,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:43,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:43,307 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 4 times [2022-11-20 10:35:43,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:43,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959897244] [2022-11-20 10:35:43,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:43,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:43,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:43,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:43,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:43,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1821318729, now seen corresponding path program 3 times [2022-11-20 10:35:43,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:43,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432617661] [2022-11-20 10:35:43,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:43,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:43,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:35:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:35:43,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:35:43,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:43,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-20 10:35:43,483 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:35:43,484 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:35:43,484 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:35:43,484 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:35:43,484 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:35:43,484 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:43,484 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:35:43,485 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:35:43,485 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration5_Lasso [2022-11-20 10:35:43,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:35:43,485 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:35:43,487 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:43,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:43,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:43,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:43,500 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:43,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:43,595 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:35:43,596 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:35:43,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:43,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:43,597 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:43,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:43,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:43,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 10:35:43,654 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:43,655 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:35:43,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:43,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:43,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:43,665 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:43,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:43,676 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:43,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 10:35:43,706 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:43,707 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:35:43,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:43,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:43,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:43,718 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:43,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:43,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:43,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 10:35:43,747 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:43,747 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:35:43,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-20 10:35:43,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:43,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:43,753 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:43,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 10:35:43,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:43,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:43,777 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:35:43,777 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:35:43,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:43,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:43,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:43,781 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:43,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 10:35:43,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:35:43,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:43,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:43,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:43,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:43,841 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:43,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:35:43,847 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:35:43,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 10:35:44,003 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:35:44,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:44,011 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:35:44,011 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:35:44,011 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:35:44,011 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:35:44,011 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:35:44,011 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:44,011 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:35:44,011 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:35:44,011 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-loops.c_Iteration5_Lasso [2022-11-20 10:35:44,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:35:44,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:35:44,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:44,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:44,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:44,030 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:44,033 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:44,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:35:44,146 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:35:44,146 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:35:44,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:44,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:44,150 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:44,155 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 [2022-11-20 10:35:44,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 10:35:44,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:44,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:44,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:44,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:44,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:44,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:35:44,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:44,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:44,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:44,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:44,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:44,201 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:44,206 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 [2022-11-20 10:35:44,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 10:35:44,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:44,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:44,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:44,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:44,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:44,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:35:44,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:44,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:44,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:44,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:44,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:44,261 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:44,266 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 [2022-11-20 10:35:44,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 10:35:44,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:44,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:35:44,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:44,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:44,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:44,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:35:44,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:35:44,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:44,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:44,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:44,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:44,303 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:44,307 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 [2022-11-20 10:35:44,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 10:35:44,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:44,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:44,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:44,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:44,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:44,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:44,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:44,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:44,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:44,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:44,348 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:44,352 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 [2022-11-20 10:35:44,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 10:35:44,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:44,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:44,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:44,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:44,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:44,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:44,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:35:44,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:44,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:44,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:44,401 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:44,405 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 [2022-11-20 10:35:44,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 10:35:44,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:35:44,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:35:44,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:35:44,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:35:44,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:35:44,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:35:44,445 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:35:44,459 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-20 10:35:44,459 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 10:35:44,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:35:44,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:44,461 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:44,466 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:35:44,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 10:35:44,507 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 10:35:44,507 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:35:44,508 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2022-11-20 10:35:44,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:44,516 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 10:35:44,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:44,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:35:44,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:44,604 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:35:44,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:44,605 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-11-20 10:35:44,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-20 10:35:44,652 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 20 states and 24 transitions. Complement of second has 6 states. [2022-11-20 10:35:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 10:35:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-20 10:35:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2022-11-20 10:35:44,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 1 letters. [2022-11-20 10:35:44,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:44,655 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 10:35:44,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:44,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:35:44,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:44,740 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:35:44,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:44,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:44,742 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 1 loop predicates [2022-11-20 10:35:44,742 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-20 10:35:44,773 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 20 states and 24 transitions. Complement of second has 6 states. [2022-11-20 10:35:44,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 10:35:44,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-20 10:35:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2022-11-20 10:35:44,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 1 letters. [2022-11-20 10:35:44,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:44,775 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 10:35:44,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:44,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:35:44,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:44,842 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:35:44,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:44,843 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-11-20 10:35:44,843 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-20 10:35:44,893 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 15 states and 17 transitions. Complement of second has 5 states. [2022-11-20 10:35:44,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 10:35:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-20 10:35:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-20 10:35:44,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 1 letters. [2022-11-20 10:35:44,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:44,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 1 letters. [2022-11-20 10:35:44,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:44,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2022-11-20 10:35:44,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:35:44,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2022-11-20 10:35:44,896 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:35:44,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2022-11-20 10:35:44,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 10:35:44,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 10:35:44,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 10:35:44,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:35:44,897 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:35:44,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:35:44,897 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:35:44,897 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 10:35:44,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:35:44,897 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:35:44,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 10:35:44,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:35:44 BoogieIcfgContainer [2022-11-20 10:35:44,905 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:35:44,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:35:44,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:35:44,906 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:35:44,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:26" (3/4) ... [2022-11-20 10:35:44,910 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:35:44,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:35:44,911 INFO L158 Benchmark]: Toolchain (without parser) took 18858.65ms. Allocated memory is still 186.6MB. Free memory was 140.6MB in the beginning and 96.9MB in the end (delta: 43.6MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2022-11-20 10:35:44,911 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 148.9MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:35:44,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.89ms. Allocated memory is still 186.6MB. Free memory was 140.6MB in the beginning and 131.4MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:35:44,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.62ms. Allocated memory is still 186.6MB. Free memory was 130.7MB in the beginning and 129.9MB in the end (delta: 853.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:35:44,912 INFO L158 Benchmark]: Boogie Preprocessor took 29.50ms. Allocated memory is still 186.6MB. Free memory was 129.9MB in the beginning and 128.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:35:44,913 INFO L158 Benchmark]: RCFGBuilder took 375.45ms. Allocated memory is still 186.6MB. Free memory was 128.6MB in the beginning and 119.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:35:44,913 INFO L158 Benchmark]: BuchiAutomizer took 18074.15ms. Allocated memory is still 186.6MB. Free memory was 119.6MB in the beginning and 96.9MB in the end (delta: 22.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-11-20 10:35:44,914 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 186.6MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:35:44,915 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 148.9MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.89ms. Allocated memory is still 186.6MB. Free memory was 140.6MB in the beginning and 131.4MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.62ms. Allocated memory is still 186.6MB. Free memory was 130.7MB in the beginning and 129.9MB in the end (delta: 853.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.50ms. Allocated memory is still 186.6MB. Free memory was 129.9MB in the beginning and 128.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.45ms. Allocated memory is still 186.6MB. Free memory was 128.6MB in the beginning and 119.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 18074.15ms. Allocated memory is still 186.6MB. Free memory was 119.6MB in the beginning and 96.9MB in the end (delta: 22.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 186.6MB. Free memory is still 96.9MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * x + 1 and consists of 5 locations. One deterministic module has affine ranking function -1 * y + x and consists of 4 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.9s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 16.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 42 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN2 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf92 smp100 dnf100 smp100 tf102 neg97 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 73ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 13.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 10:35:44,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:45,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-20 10:35:45,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71966f65-49e3-48d6-9298-5488623f8629/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE