./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum01_bug02.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum01_bug02.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:14:32,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:14:32,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:14:32,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:14:32,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:14:32,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:14:32,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:14:32,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:14:32,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:14:32,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:14:32,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:14:32,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:14:32,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:14:32,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:14:32,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:14:32,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:14:32,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:14:32,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:14:32,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:14:32,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:14:32,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:14:32,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:14:32,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:14:32,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:14:32,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:14:32,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:14:32,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:14:32,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:14:32,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:14:32,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:14:32,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:14:32,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:14:32,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:14:32,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:14:32,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:14:32,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:14:32,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:14:32,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:14:32,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:14:32,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:14:32,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:14:32,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:14:32,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:14:32,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:14:32,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:14:32,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:14:32,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:14:32,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:14:32,611 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:14:32,611 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:14:32,612 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:14:32,612 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:14:32,614 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:14:32,614 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:14:32,615 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:14:32,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:14:32,616 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:14:32,616 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:14:32,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:14:32,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:14:32,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:14:32,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:14:32,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:14:32,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:14:32,620 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:14:32,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:14:32,620 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:14:32,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:14:32,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:14:32,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:14:32,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:14:32,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:14:32,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:14:32,636 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:14:32,636 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_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e [2022-11-18 20:14:33,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:14:33,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:14:33,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:14:33,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:14:33,048 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:14:33,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/loops/sum01_bug02.i [2022-11-18 20:14:33,155 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/data/2ec9c2441/8bd0f03598634d468501f4273eca7f23/FLAG1e9588833 [2022-11-18 20:14:33,735 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:14:33,736 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/sv-benchmarks/c/loops/sum01_bug02.i [2022-11-18 20:14:33,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/data/2ec9c2441/8bd0f03598634d468501f4273eca7f23/FLAG1e9588833 [2022-11-18 20:14:34,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/data/2ec9c2441/8bd0f03598634d468501f4273eca7f23 [2022-11-18 20:14:34,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:14:34,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:14:34,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:14:34,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:14:34,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:14:34,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3e9cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34, skipping insertion in model container [2022-11-18 20:14:34,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:14:34,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:14:34,400 WARN L234 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_2b7765b4-cf77-40d7-a3a7-e79945104d67/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2022-11-18 20:14:34,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:14:34,424 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:14:34,437 WARN L234 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_2b7765b4-cf77-40d7-a3a7-e79945104d67/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2022-11-18 20:14:34,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:14:34,460 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:14:34,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34 WrapperNode [2022-11-18 20:14:34,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:14:34,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:14:34,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:14:34,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:14:34,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,505 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-11-18 20:14:34,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:14:34,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:14:34,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:14:34,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:14:34,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,528 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:14:34,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:14:34,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:14:34,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:14:34,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (1/1) ... [2022-11-18 20:14:34,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:34,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:34,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:34,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:14:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:14:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:14:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:14:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:14:34,698 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:14:34,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:14:34,858 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:14:34,867 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:14:34,868 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:14:34,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:14:34 BoogieIcfgContainer [2022-11-18 20:14:34,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:14:34,872 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:14:34,872 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:14:34,878 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:14:34,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:14:34,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:14:34" (1/3) ... [2022-11-18 20:14:34,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13fcc933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:14:34, skipping insertion in model container [2022-11-18 20:14:34,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:14:34,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:14:34" (2/3) ... [2022-11-18 20:14:34,883 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13fcc933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:14:34, skipping insertion in model container [2022-11-18 20:14:34,883 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:14:34,883 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:14:34" (3/3) ... [2022-11-18 20:14:34,886 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum01_bug02.i [2022-11-18 20:14:34,965 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:14:34,965 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:14:34,965 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:14:34,966 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:14:34,966 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:14:34,966 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:14:34,966 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:14:34,966 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:14:34,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:35,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:14:35,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:14:35,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:14:35,032 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:14:35,032 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:14:35,032 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:14:35,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:35,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:14:35,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:14:35,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:14:35,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:14:35,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:14:35,050 INFO L748 eck$LassoCheckResult]: Stem: 4#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(14, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post3#1, main_#t~post2#1, main_~i~0#1, main_~j~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~j~0#1 := 10;main_~n~0#1 := (if main_#t~nondet1#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 4294967296 % 4294967296 else main_#t~nondet1#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;main_~sn~0#1 := 0; 14#L24true assume !(2147483647 == main_~n~0#1);main_~i~0#1 := 1; 13#L27-3true [2022-11-18 20:14:35,050 INFO L750 eck$LassoCheckResult]: Loop: 13#L27-3true assume !!(main_~i~0#1 <= main_~n~0#1); 12#L28true assume main_~i~0#1 < main_~j~0#1;main_~sn~0#1 := 2 + main_~sn~0#1; 6#L28-2true main_#t~post3#1 := main_~j~0#1;main_~j~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 9#L27-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 13#L27-3true [2022-11-18 20:14:35,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:35,059 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-18 20:14:35,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:35,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228313230] [2022-11-18 20:14:35,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:35,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:35,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:14:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:35,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:14:35,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:35,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1388390, now seen corresponding path program 1 times [2022-11-18 20:14:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:35,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565897163] [2022-11-18 20:14:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:35,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:35,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:14:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:35,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:14:35,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:35,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1806998153, now seen corresponding path program 1 times [2022-11-18 20:14:35,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:35,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929808180] [2022-11-18 20:14:35,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:35,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:35,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:14:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:35,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:14:35,604 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:14:35,605 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:14:35,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:14:35,606 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:14:35,606 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:14:35,606 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:35,606 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:14:35,606 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:14:35,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2022-11-18 20:14:35,608 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:14:35,608 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:14:35,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:35,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:35,690 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:35,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:35,810 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:14:35,811 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:14:35,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:35,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:35,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:35,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:14:35,833 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:14:35,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:14:35,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:35,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:35,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:35,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:35,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:14:35,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:14:35,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:14:36,050 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:14:36,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:36,063 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:14:36,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:14:36,063 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:14:36,064 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:14:36,064 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:14:36,064 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:36,064 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:14:36,064 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:14:36,065 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2022-11-18 20:14:36,065 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:14:36,065 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:14:36,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:36,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:36,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:36,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:36,200 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:14:36,207 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:14:36,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:36,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:36,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:36,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:14:36,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:14:36,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:14:36,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:14:36,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:14:36,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:14:36,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:14:36,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:14:36,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:14:36,266 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:14:36,278 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:14:36,279 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:14:36,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:36,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:36,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:36,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:14:36,298 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:14:36,298 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:14:36,299 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:14:36,300 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~j~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-18 20:14:36,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:36,312 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:14:36,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-18 20:14:36,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:36,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:14:36,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:14:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:36,476 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:14:36,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:14:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:36,675 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 [2022-11-18 20:14:36,678 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:36,753 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 42 states and 52 transitions. Complement of second has 7 states. [2022-11-18 20:14:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:14:36,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-11-18 20:14:36,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-18 20:14:36,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:14:36,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-18 20:14:36,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:14:36,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 8 letters. [2022-11-18 20:14:36,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:14:36,771 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 52 transitions. [2022-11-18 20:14:36,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:14:36,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 16 states and 19 transitions. [2022-11-18 20:14:36,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-18 20:14:36,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:14:36,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-11-18 20:14:36,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:14:36,785 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-18 20:14:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-11-18 20:14:36,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2022-11-18 20:14:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-18 20:14:36,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-18 20:14:36,822 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-18 20:14:36,822 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:14:36,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2022-11-18 20:14:36,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:14:36,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:14:36,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:14:36,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:14:36,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:14:36,824 INFO L748 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRY 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(14, 2); 105#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post3#1, main_#t~post2#1, main_~i~0#1, main_~j~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~j~0#1 := 10;main_~n~0#1 := (if main_#t~nondet1#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 4294967296 % 4294967296 else main_#t~nondet1#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;main_~sn~0#1 := 0; 115#L24 assume !(2147483647 == main_~n~0#1);main_~i~0#1 := 1; 116#L27-3 assume !!(main_~i~0#1 <= main_~n~0#1); 106#L28 [2022-11-18 20:14:36,825 INFO L750 eck$LassoCheckResult]: Loop: 106#L28 assume !(main_~i~0#1 < main_~j~0#1); 107#L28-2 main_#t~post3#1 := main_~j~0#1;main_~j~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 113#L27-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 111#L27-3 assume !!(main_~i~0#1 <= main_~n~0#1); 106#L28 [2022-11-18 20:14:36,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:36,826 INFO L85 PathProgramCache]: Analyzing trace with hash 925675, now seen corresponding path program 1 times [2022-11-18 20:14:36,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:36,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312795704] [2022-11-18 20:14:36,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:36,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:36,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:14:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:36,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:14:36,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:36,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1541242, now seen corresponding path program 1 times [2022-11-18 20:14:36,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:36,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952903845] [2022-11-18 20:14:36,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:36,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:36,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:14:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:14:36,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:14:36,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:36,883 INFO L85 PathProgramCache]: Analyzing trace with hash 182427492, now seen corresponding path program 1 times [2022-11-18 20:14:36,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:14:36,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576976016] [2022-11-18 20:14:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:14:36,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:14:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:37,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:14:37,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576976016] [2022-11-18 20:14:37,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576976016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:14:37,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:14:37,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:14:37,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650675986] [2022-11-18 20:14:37,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:14:37,093 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:14:37,094 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:14:37,094 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:14:37,094 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:14:37,094 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:14:37,095 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:37,095 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:14:37,095 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:14:37,095 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2022-11-18 20:14:37,095 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:14:37,095 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:14:37,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:37,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:37,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:37,186 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:14:37,187 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:14:37,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:37,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:37,197 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:37,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:14:37,212 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:14:37,212 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:14:37,240 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:14:37,241 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 20:14:37,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:37,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:37,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:37,252 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:37,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:14:37,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:14:37,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:14:37,272 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:14:37,273 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 20:14:37,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:37,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:37,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:37,279 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:37,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:14:37,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:14:37,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:14:37,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-18 20:14:37,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:37,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:37,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:37,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:14:37,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:14:37,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:14:37,979 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:14:37,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-18 20:14:37,984 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:14:37,984 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:14:37,984 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:14:37,985 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:14:37,985 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:14:37,985 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:37,985 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:14:37,985 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:14:37,985 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2022-11-18 20:14:37,985 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:14:37,985 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:14:37,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:38,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:38,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:14:38,085 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:14:38,085 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:14:38,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:38,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:38,091 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:38,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:14:38,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:14:38,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:14:38,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:14:38,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:14:38,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:14:38,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:14:38,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:14:38,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:14:38,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:14:38,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:38,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:38,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:38,139 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:38,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:14:38,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:14:38,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:14:38,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:14:38,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:14:38,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:14:38,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:14:38,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:14:38,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:14:38,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:14:38,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:38,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:38,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:38,198 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:38,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:14:38,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:14:38,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:14:38,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:14:38,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:14:38,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:14:38,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:14:38,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:14:38,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:14:38,237 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:14:38,244 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-18 20:14:38,244 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-18 20:14:38,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:14:38,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:14:38,247 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:14:38,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:14:38,253 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:14:38,254 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:14:38,255 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:14:38,255 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-18 20:14:38,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:14:38,268 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:14:38,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:14:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:38,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:14:38,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:14:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:14:38,338 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:14:38,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:14:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:14:38,385 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:14:38,386 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:38,424 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 6 states. [2022-11-18 20:14:38,425 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 [2022-11-18 20:14:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2022-11-18 20:14:38,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-18 20:14:38,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:14:38,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 8 letters. Loop has 4 letters. [2022-11-18 20:14:38,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:14:38,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 8 letters. [2022-11-18 20:14:38,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:14:38,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2022-11-18 20:14:38,429 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:14:38,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-11-18 20:14:38,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:14:38,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:14:38,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:14:38,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:14:38,431 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:14:38,431 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:14:38,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:14:38,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:14:38,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:14:38,438 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:14:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:14:38,442 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-18 20:14:38,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-18 20:14:38,443 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:14:38,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:14:38,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:14:38,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:14:38,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:14:38,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:14:38,444 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:14:38,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:14:38,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:14:38,447 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:14:38,448 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:14:38,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:14:38,449 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:14:38,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:14:38,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:14:38 BoogieIcfgContainer [2022-11-18 20:14:38,469 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:14:38,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:14:38,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:14:38,471 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:14:38,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:14:34" (3/4) ... [2022-11-18 20:14:38,483 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:14:38,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:14:38,486 INFO L158 Benchmark]: Toolchain (without parser) took 4390.83ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 68.0MB in the beginning and 68.1MB in the end (delta: -105.2kB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-11-18 20:14:38,487 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 113.2MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:14:38,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.60ms. Allocated memory is still 113.2MB. Free memory was 67.8MB in the beginning and 88.5MB in the end (delta: -20.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-18 20:14:38,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.43ms. Allocated memory is still 113.2MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:14:38,494 INFO L158 Benchmark]: Boogie Preprocessor took 24.79ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 86.1MB in the end (delta: 822.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:14:38,500 INFO L158 Benchmark]: RCFGBuilder took 338.66ms. Allocated memory is still 113.2MB. Free memory was 85.8MB in the beginning and 76.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:14:38,501 INFO L158 Benchmark]: BuchiAutomizer took 3597.11ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 76.2MB in the beginning and 68.8MB in the end (delta: 7.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-11-18 20:14:38,501 INFO L158 Benchmark]: Witness Printer took 13.25ms. Allocated memory is still 142.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:14:38,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 113.2MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.60ms. Allocated memory is still 113.2MB. Free memory was 67.8MB in the beginning and 88.5MB in the end (delta: -20.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.43ms. Allocated memory is still 113.2MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.79ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 86.1MB in the end (delta: 822.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.66ms. Allocated memory is still 113.2MB. Free memory was 85.8MB in the beginning and 76.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3597.11ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 76.2MB in the beginning and 68.8MB in the end (delta: 7.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 13.25ms. Allocated memory is still 142.6MB. Free memory is still 68.1MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + j and consists of 5 locations. One deterministic module has affine ranking function -1 * i + n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 17 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp89 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf93 smp100 dnf100 smp100 tf107 neg98 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 91ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:14:38,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-18 20:14:38,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b7765b4-cf77-40d7-a3a7-e79945104d67/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE