./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc --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 8ea772b622b52d4ecb98eff913fdaad419b414b3ea50b3836c7037318b9a616b --- 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-5e519f3 [2022-11-02 20:55:04,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:55:04,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:55:04,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:55:04,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:55:04,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:55:04,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:55:04,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:55:04,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:55:04,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:55:04,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:55:04,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:55:04,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:55:04,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:55:04,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:55:04,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:55:04,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:55:04,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:55:04,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:55:04,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:55:04,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:55:04,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:55:04,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:55:04,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:55:04,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:55:04,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:55:04,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:55:04,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:55:04,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:55:04,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:55:04,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:55:04,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:55:04,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:55:04,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:55:04,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:55:04,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:55:04,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:55:04,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:55:04,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:55:04,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:55:04,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:55:04,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:55:04,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:55:04,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:55:04,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:55:04,575 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:55:04,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:55:04,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:55:04,577 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:55:04,577 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:55:04,578 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:55:04,578 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:55:04,579 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:55:04,579 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:55:04,580 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:55:04,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:55:04,580 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:55:04,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:55:04,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:55:04,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:55:04,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:55:04,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:55:04,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:55:04,581 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:55:04,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:55:04,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:55:04,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:55:04,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:55:04,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:55:04,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:55:04,584 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:55:04,584 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_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ea772b622b52d4ecb98eff913fdaad419b414b3ea50b3836c7037318b9a616b [2022-11-02 20:55:04,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:55:04,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:55:04,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:55:04,991 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:55:04,992 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:55:04,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2022-11-02 20:55:05,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/data/5d4e69e36/53dc08c4d6c04d61889d92b6945b6753/FLAGc86a26a6a [2022-11-02 20:55:05,643 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:55:05,646 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2022-11-02 20:55:05,653 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/data/5d4e69e36/53dc08c4d6c04d61889d92b6945b6753/FLAGc86a26a6a [2022-11-02 20:55:06,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/data/5d4e69e36/53dc08c4d6c04d61889d92b6945b6753 [2022-11-02 20:55:06,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:55:06,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:55:06,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:55:06,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:55:06,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:55:06,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d42484d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06, skipping insertion in model container [2022-11-02 20:55:06,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:55:06,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:55:06,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:55:06,254 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:55:06,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:55:06,284 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:55:06,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06 WrapperNode [2022-11-02 20:55:06,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:55:06,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:55:06,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:55:06,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:55:06,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,321 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2022-11-02 20:55:06,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:55:06,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:55:06,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:55:06,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:55:06,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,344 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:55:06,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:55:06,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:55:06,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:55:06,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (1/1) ... [2022-11-02 20:55:06,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:06,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:06,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:06,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:55:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:55:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:55:06,528 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:55:06,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:55:06,663 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:55:06,671 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:55:06,672 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:55:06,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:55:06 BoogieIcfgContainer [2022-11-02 20:55:06,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:55:06,676 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:55:06,676 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:55:06,680 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:55:06,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:55:06,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:55:06" (1/3) ... [2022-11-02 20:55:06,682 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17476da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:55:06, skipping insertion in model container [2022-11-02 20:55:06,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:55:06,683 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:06" (2/3) ... [2022-11-02 20:55:06,683 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17476da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:55:06, skipping insertion in model container [2022-11-02 20:55:06,683 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:55:06,683 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:55:06" (3/3) ... [2022-11-02 20:55:06,685 INFO L332 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-2.c [2022-11-02 20:55:06,755 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:55:06,755 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:55:06,755 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:55:06,755 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:55:06,755 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:55:06,756 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:55:06,756 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:55:06,756 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:55:06,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) 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) [2022-11-02 20:55:06,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:55:06,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:55:06,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:55:06,784 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:55:06,785 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:55:06,785 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:55:06,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) 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) [2022-11-02 20:55:06,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:55:06,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:55:06,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:55:06,787 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:55:06,787 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:55:06,795 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L20true assume !!(-268435455 <= main_~y~0#1); 5#L21true assume !!(-268435455 <= main_~z~0#1); 3#L22true assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 8#L27-1true [2022-11-02 20:55:06,795 INFO L750 eck$LassoCheckResult]: Loop: 8#L27-1true assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 8#L27-1true [2022-11-02 20:55:06,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:06,801 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2022-11-02 20:55:06,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:06,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954933865] [2022-11-02 20:55:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:06,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:06,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:55:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:06,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:55:06,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:06,952 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2022-11-02 20:55:06,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:06,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471469503] [2022-11-02 20:55:06,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:06,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:06,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:55:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:06,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:55:06,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:06,990 INFO L85 PathProgramCache]: Analyzing trace with hash 889571283, now seen corresponding path program 1 times [2022-11-02 20:55:06,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:06,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699314634] [2022-11-02 20:55:06,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:06,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:07,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:55:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:07,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:55:07,211 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:55:07,212 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:55:07,212 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:55:07,212 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:55:07,213 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:55:07,213 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:07,213 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:55:07,213 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:55:07,213 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2022-11-02 20:55:07,213 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:55:07,214 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:55:07,243 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,304 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,440 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:55:07,441 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:55:07,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:07,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:07,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:07,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:55:07,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:55:07,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:55:07,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:07,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:07,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:07,524 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:07,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:55:07,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:55:07,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:55:07,589 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:55:07,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:07,599 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:55:07,599 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:55:07,599 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:55:07,599 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:55:07,599 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:55:07,600 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:07,600 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:55:07,600 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:55:07,600 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2022-11-02 20:55:07,600 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:55:07,600 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:55:07,603 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,616 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:07,781 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:55:07,790 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:55:07,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:07,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:07,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:07,800 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 [2022-11-02 20:55:07,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:55:07,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:55:07,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:55:07,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:55:07,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:55:07,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:55:07,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:55:07,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:55:07,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:07,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:07,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:07,872 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:07,880 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 [2022-11-02 20:55:07,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:55:07,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:55:07,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:55:07,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:55:07,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:55:07,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:55:07,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:55:07,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:55:07,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:55:07,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:07,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:07,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:07,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:07,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:55:07,952 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 [2022-11-02 20:55:07,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:55:07,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:55:07,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:55:07,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:55:07,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:55:07,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:55:08,002 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:55:08,019 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-02 20:55:08,019 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-02 20:55:08,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:08,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:08,028 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:08,042 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:55:08,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:55:08,065 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-02 20:55:08,065 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:55:08,066 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2022-11-02 20:55:08,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:08,111 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-02 20:55:08,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:08,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:55:08,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:55:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:08,193 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:55:08,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:55:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:55:08,226 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-02 20:55:08,228 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-11-02 20:55:08,275 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) 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). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 25 states and 32 transitions. Complement of second has 5 states. [2022-11-02 20:55:08,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:55:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-11-02 20:55:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-11-02 20:55:08,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-02 20:55:08,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:55:08,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2022-11-02 20:55:08,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:55:08,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-02 20:55:08,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:55:08,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2022-11-02 20:55:08,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:55:08,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 6 states and 6 transitions. [2022-11-02 20:55:08,305 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-02 20:55:08,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-02 20:55:08,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2022-11-02 20:55:08,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:55:08,311 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-11-02 20:55:08,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2022-11-02 20:55:08,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2022-11-02 20:55:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 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) [2022-11-02 20:55:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-11-02 20:55:08,357 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-11-02 20:55:08,357 INFO L428 stractBuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-11-02 20:55:08,357 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:55:08,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2022-11-02 20:55:08,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:55:08,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:55:08,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:55:08,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:55:08,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:55:08,359 INFO L748 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 87#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 89#L20 assume !!(-268435455 <= main_~y~0#1); 88#L21 assume !!(-268435455 <= main_~z~0#1); 84#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 85#L27-1 [2022-11-02 20:55:08,359 INFO L750 eck$LassoCheckResult]: Loop: 85#L27-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 85#L27-1 [2022-11-02 20:55:08,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:08,360 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2022-11-02 20:55:08,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:08,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805714263] [2022-11-02 20:55:08,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:08,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:08,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:55:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:08,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-02 20:55:08,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:55:08,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:08,429 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 2 times [2022-11-02 20:55:08,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:08,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853948615] [2022-11-02 20:55:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:08,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:08,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:55:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:08,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:55:08,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:08,439 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2022-11-02 20:55:08,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:08,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838441691] [2022-11-02 20:55:08,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:08,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:08,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:55:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:55:08,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:55:08,543 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:55:08,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:55:08,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:55:08,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:55:08,543 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:55:08,543 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:08,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:55:08,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:55:08,544 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2022-11-02 20:55:08,544 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:55:08,544 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:55:08,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,668 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:55:08,668 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:55:08,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:08,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:08,670 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:08,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:55:08,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:55:08,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:55:08,696 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:55:08,697 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: [] [2022-11-02 20:55:08,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-02 20:55:08,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:08,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:08,725 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:08,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:55:08,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:55:08,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:55:08,749 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:55:08,749 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: [] [2022-11-02 20:55:08,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:08,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:08,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:08,772 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:08,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:55:08,777 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:55:08,777 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:55:08,791 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:55:08,792 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: [] [2022-11-02 20:55:08,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:08,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:08,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:08,817 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:08,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:55:08,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:55:08,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:55:08,835 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:55:08,836 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: [] [2022-11-02 20:55:08,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:08,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:08,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:08,862 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:08,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:55:08,864 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:55:08,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:55:08,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:08,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:08,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:08,903 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:08,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:55:08,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:55:08,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:55:08,960 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:55:08,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:08,963 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:55:08,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:55:08,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:55:08,963 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:55:08,963 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:55:08,963 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:08,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:55:08,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:55:08,964 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2022-11-02 20:55:08,964 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:55:08,964 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:55:08,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,982 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:08,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:09,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:09,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:55:09,096 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:55:09,096 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:55:09,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:09,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:09,097 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:09,108 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 [2022-11-02 20:55:09,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:55:09,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:55:09,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:55:09,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:55:09,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:55:09,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:55:09,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:55:09,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:55:09,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:09,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:09,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:09,175 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:09,182 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 [2022-11-02 20:55:09,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:55:09,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:55:09,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:55:09,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:55:09,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:55:09,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:55:09,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:55:09,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:55:09,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:55:09,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:09,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:09,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:09,241 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:09,248 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 [2022-11-02 20:55:09,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:55:09,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:55:09,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:55:09,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:55:09,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:55:09,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:55:09,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:55:09,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:55:09,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:55:09,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:09,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:09,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:09,310 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:09,318 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 [2022-11-02 20:55:09,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:55:09,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:55:09,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:55:09,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:55:09,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:55:09,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:55:09,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:55:09,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:55:09,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:55:09,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:09,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:09,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:09,356 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:09,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:55:09,357 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 [2022-11-02 20:55:09,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:55:09,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:55:09,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:55:09,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:55:09,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:55:09,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:55:09,388 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:55:09,409 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-02 20:55:09,409 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-02 20:55:09,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:55:09,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:09,415 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:09,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:55:09,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:55:09,446 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-02 20:55:09,446 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:55:09,446 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = -2*ULTIMATE.start_main_~z~0#1 + 199 Supporting invariants [-1*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2022-11-02 20:55:09,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:09,473 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-02 20:55:09,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:09,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:55:09,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:55:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:09,543 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:55:09,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:55:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:55:09,553 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-02 20:55:09,553 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-11-02 20:55:09,581 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 7 states and 7 transitions. Complement of second has 2 states. [2022-11-02 20:55:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-02 20:55:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-11-02 20:55:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2022-11-02 20:55:09,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-02 20:55:09,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:55:09,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 6 letters. Loop has 1 letters. [2022-11-02 20:55:09,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:55:09,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-02 20:55:09,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:55:09,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 7 transitions. [2022-11-02 20:55:09,585 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:55:09,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. [2022-11-02 20:55:09,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:55:09,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:55:09,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:55:09,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:55:09,586 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:55:09,586 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:55:09,587 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:55:09,587 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:55:09,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:55:09,587 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:55:09,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:55:09,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:55:09 BoogieIcfgContainer [2022-11-02 20:55:09,594 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:55:09,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:55:09,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:55:09,595 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:55:09,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:55:06" (3/4) ... [2022-11-02 20:55:09,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:55:09,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:55:09,600 INFO L158 Benchmark]: Toolchain (without parser) took 3570.37ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 53.0MB in the beginning and 56.4MB in the end (delta: -3.4MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-02 20:55:09,601 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:55:09,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.23ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 69.5MB in the end (delta: -16.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-02 20:55:09,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.50ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 68.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:55:09,602 INFO L158 Benchmark]: Boogie Preprocessor took 24.29ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 67.1MB in the end (delta: 926.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:55:09,603 INFO L158 Benchmark]: RCFGBuilder took 325.75ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 58.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:55:09,603 INFO L158 Benchmark]: BuchiAutomizer took 2918.82ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 58.7MB in the beginning and 56.7MB in the end (delta: 2.0MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-11-02 20:55:09,604 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 125.8MB. Free memory was 56.7MB in the beginning and 56.4MB in the end (delta: 283.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:55:09,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.23ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 69.5MB in the end (delta: -16.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.50ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 68.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.29ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 67.1MB in the end (delta: 926.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.75ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 58.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2918.82ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 58.7MB in the beginning and 56.7MB in the end (delta: 2.0MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 125.8MB. Free memory was 56.7MB in the beginning and 56.4MB in the end (delta: 283.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 199 + -2 * y and consists of 4 locations. One deterministic module has affine ranking function -2 * z + 199 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 21 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:55:09,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:55:09,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90c407bd-c0ed-4fb4-bc4f-2b74b65b6e72/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE