./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/sum_25x0-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/sum_25x0-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a --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 32bit --witnessprinter.graph.data.programhash 8ec6e434f91e1569e6fad03794f07a751e615694ef413649174052dcc7984987 --- 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-b5237d8 [2022-11-21 17:24:46,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:24:46,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:24:46,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:24:46,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:24:46,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:24:46,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:24:46,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:24:46,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:24:46,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:24:46,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:24:46,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:24:46,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:24:46,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:24:46,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:24:46,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:24:46,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:24:46,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:24:46,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:24:46,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:24:46,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:24:46,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:24:46,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:24:46,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:24:46,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:24:46,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:24:46,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:24:46,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:24:46,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:24:46,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:24:46,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:24:46,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:24:46,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:24:46,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:24:46,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:24:46,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:24:46,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:24:46,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:24:46,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:24:46,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:24:46,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:24:46,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 17:24:46,520 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:24:46,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:24:46,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:24:46,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:24:46,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:24:46,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:24:46,523 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:24:46,523 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 17:24:46,523 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 17:24:46,523 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 17:24:46,525 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 17:24:46,525 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 17:24:46,525 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 17:24:46,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:24:46,525 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:24:46,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:24:46,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:24:46,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:24:46,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:24:46,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 17:24:46,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 17:24:46,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 17:24:46,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:24:46,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:24:46,527 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 17:24:46,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:24:46,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 17:24:46,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:24:46,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:24:46,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:24:46,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:24:46,531 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 17:24:46,531 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_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ec6e434f91e1569e6fad03794f07a751e615694ef413649174052dcc7984987 [2022-11-21 17:24:46,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:24:46,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:24:46,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:24:46,820 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:24:46,820 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:24:46,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2022-11-21 17:24:49,995 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:24:50,285 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:24:50,285 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2022-11-21 17:24:50,292 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/data/dc5ab173f/d0131ca6affe424faafd304115269792/FLAGd50f24440 [2022-11-21 17:24:50,314 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/data/dc5ab173f/d0131ca6affe424faafd304115269792 [2022-11-21 17:24:50,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:24:50,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:24:50,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:24:50,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:24:50,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:24:50,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d09f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50, skipping insertion in model container [2022-11-21 17:24:50,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:24:50,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:24:50,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/sv-benchmarks/c/recursive-simple/sum_25x0-1.c[481,494] [2022-11-21 17:24:50,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:24:50,537 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:24:50,550 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/sv-benchmarks/c/recursive-simple/sum_25x0-1.c[481,494] [2022-11-21 17:24:50,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:24:50,563 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:24:50,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50 WrapperNode [2022-11-21 17:24:50,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:24:50,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:24:50,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:24:50,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:24:50,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,595 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 17:24:50,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:24:50,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:24:50,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:24:50,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:24:50,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:24:50,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:24:50,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:24:50,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:24:50,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (1/1) ... [2022-11-21 17:24:50,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:50,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:50,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:50,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 17:24:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:24:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:24:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:24:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-11-21 17:24:50,699 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-11-21 17:24:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:24:50,762 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:24:50,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:24:50,852 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:24:50,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:24:50,859 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:24:50,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:24:50 BoogieIcfgContainer [2022-11-21 17:24:50,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:24:50,862 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 17:24:50,862 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 17:24:50,866 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 17:24:50,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:24:50,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 05:24:50" (1/3) ... [2022-11-21 17:24:50,868 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b68f04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:24:50, skipping insertion in model container [2022-11-21 17:24:50,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:24:50,868 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:50" (2/3) ... [2022-11-21 17:24:50,868 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b68f04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:24:50, skipping insertion in model container [2022-11-21 17:24:50,869 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:24:50,869 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:24:50" (3/3) ... [2022-11-21 17:24:50,870 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum_25x0-1.c [2022-11-21 17:24:50,928 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 17:24:50,928 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 17:24:50,928 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 17:24:50,928 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 17:24:50,928 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 17:24:50,929 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 17:24:50,929 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 17:24:50,929 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 17:24:50,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 17:24:50,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 17:24:50,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:24:50,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:24:50,961 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-21 17:24:50,961 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 17:24:50,962 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 17:24:50,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 17:24:50,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 17:24:50,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:24:50,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:24:50,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-21 17:24:50,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 17:24:50,973 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~a~0#1, main_~b~0#1, main_~result~0#1;main_~a~0#1 := 25;main_~b~0#1 := 0; 2#L16true call main_#t~ret5#1 := sum(main_~a~0#1, main_~b~0#1);< 9#sumENTRYtrue [2022-11-21 17:24:50,973 INFO L750 eck$LassoCheckResult]: Loop: 9#sumENTRYtrue ~n := #in~n;~m := #in~m; 14#L6true assume !(~n <= 0); 13#L9true call #t~ret4 := sum(~n - 1, 1 + ~m);< 9#sumENTRYtrue [2022-11-21 17:24:50,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:24:50,981 INFO L85 PathProgramCache]: Analyzing trace with hash 29876, now seen corresponding path program 1 times [2022-11-21 17:24:50,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:24:50,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631258361] [2022-11-21 17:24:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:24:50,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:24:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:24:51,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:24:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:24:51,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:24:51,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:24:51,114 INFO L85 PathProgramCache]: Analyzing trace with hash 44820, now seen corresponding path program 1 times [2022-11-21 17:24:51,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:24:51,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556026623] [2022-11-21 17:24:51,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:24:51,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:24:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:24:51,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:24:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:24:51,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:24:51,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:24:51,132 INFO L85 PathProgramCache]: Analyzing trace with hash 890050945, now seen corresponding path program 1 times [2022-11-21 17:24:51,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:24:51,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040255450] [2022-11-21 17:24:51,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:24:51,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:24:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:24:51,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:24:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:24:51,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:24:51,318 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 17:24:51,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 17:24:51,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 17:24:51,319 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 17:24:51,335 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 17:24:51,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,335 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 17:24:51,335 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 17:24:51,336 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_25x0-1.c_Iteration1_Loop [2022-11-21 17:24:51,336 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 17:24:51,336 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 17:24:51,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,507 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 17:24:51,508 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 17:24:51,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:51,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:51,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 17:24:51,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 17:24:51,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 17:24:51,547 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 17:24:51,547 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#t~ret4=0} Honda state: {sum_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 17:24:51,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:51,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:51,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:51,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 17:24:51,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 17:24:51,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 17:24:51,580 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 17:24:51,580 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 17:24:51,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:51,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:51,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:51,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 17:24:51,598 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 17:24:51,598 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 17:24:51,611 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 17:24:51,612 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~n=0} Honda state: {sum_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 17:24:51,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:51,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:51,621 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:51,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 17:24:51,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 17:24:51,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 17:24:51,637 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 17:24:51,637 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~m=0} Honda state: {sum_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 17:24:51,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-21 17:24:51,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:51,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:51,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 17:24:51,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 17:24:51,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 17:24:51,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:51,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:51,685 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:51,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 17:24:51,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 17:24:51,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 17:24:51,781 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 17:24:51,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:51,785 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 17:24:51,785 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 17:24:51,785 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 17:24:51,785 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 17:24:51,785 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 17:24:51,785 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,785 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 17:24:51,786 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 17:24:51,786 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_25x0-1.c_Iteration1_Loop [2022-11-21 17:24:51,786 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 17:24:51,786 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 17:24:51,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,835 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:24:51,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 17:24:51,916 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 17:24:51,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:51,938 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:51,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 17:24:51,948 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 [2022-11-21 17:24:51,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:24:51,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:24:51,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:24:51,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:24:51,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:24:51,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:24:51,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:24:51,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:24:51,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:51,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:51,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:51,972 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:51,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 17:24:51,975 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 [2022-11-21 17:24:51,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:24:51,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:24:51,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:24:51,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:24:51,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:24:51,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:24:51,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:24:52,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:24:52,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:52,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:52,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:52,047 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:52,087 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 [2022-11-21 17:24:52,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 17:24:52,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:24:52,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:24:52,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:24:52,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:24:52,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:24:52,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:24:52,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:24:52,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:24:52,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:52,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:52,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:52,147 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:52,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 17:24:52,160 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 [2022-11-21 17:24:52,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:24:52,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:24:52,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:24:52,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:24:52,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:24:52,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:24:52,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:24:52,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:24:52,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:52,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:52,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:52,183 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:52,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 17:24:52,187 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 [2022-11-21 17:24:52,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:24:52,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:24:52,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:24:52,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:24:52,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:24:52,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:24:52,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:24:52,222 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 17:24:52,240 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-21 17:24:52,240 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 17:24:52,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:24:52,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:52,260 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:52,264 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 17:24:52,264 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 17:24:52,265 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 17:24:52,265 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sum_#in~n) = 1*sum_#in~n Supporting invariants [] [2022-11-21 17:24:52,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 17:24:52,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:52,286 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 17:24:52,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:24:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:52,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:24:52,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:24:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:52,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 17:24:52,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:24:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:24:52,529 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 17:24:52,531 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:24:52,621 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 12 states. [2022-11-21 17:24:52,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 17:24:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:24:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2022-11-21 17:24:52,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-21 17:24:52,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:24:52,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-21 17:24:52,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:24:52,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-21 17:24:52,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:24:52,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-11-21 17:24:52,637 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 17:24:52,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2022-11-21 17:24:52,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 17:24:52,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 17:24:52,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 17:24:52,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:24:52,642 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:24:52,642 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:24:52,642 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:24:52,642 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 17:24:52,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:24:52,643 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 17:24:52,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 17:24:52,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 05:24:52 BoogieIcfgContainer [2022-11-21 17:24:52,650 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 17:24:52,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:24:52,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:24:52,651 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:24:52,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:24:50" (3/4) ... [2022-11-21 17:24:52,655 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:24:52,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:24:52,657 INFO L158 Benchmark]: Toolchain (without parser) took 2334.99ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 110.7MB in the beginning and 122.8MB in the end (delta: -12.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-11-21 17:24:52,657 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:24:52,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.16ms. Allocated memory is still 140.5MB. Free memory was 110.7MB in the beginning and 100.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:24:52,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.09ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 99.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:24:52,659 INFO L158 Benchmark]: Boogie Preprocessor took 18.37ms. Allocated memory is still 140.5MB. Free memory was 99.3MB in the beginning and 98.3MB in the end (delta: 986.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:24:52,659 INFO L158 Benchmark]: RCFGBuilder took 246.22ms. Allocated memory is still 140.5MB. Free memory was 98.3MB in the beginning and 89.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:24:52,660 INFO L158 Benchmark]: BuchiAutomizer took 1788.60ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 89.2MB in the beginning and 122.8MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:24:52,660 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 169.9MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:24:52,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.16ms. Allocated memory is still 140.5MB. Free memory was 110.7MB in the beginning and 100.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.09ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 99.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.37ms. Allocated memory is still 140.5MB. Free memory was 99.3MB in the beginning and 98.3MB in the end (delta: 986.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.22ms. Allocated memory is still 140.5MB. Free memory was 98.3MB in the beginning and 89.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1788.60ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 89.2MB in the beginning and 122.8MB in the end (delta: -33.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 169.9MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg94 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 17:24:52,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 17:24:52,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca8a205-2023-4573-9c80-b011048fa3a3/bin/uautomizer-vX5HgA9Q3a/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