./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:51,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:51,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:41:51,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:51,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:51,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:51,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:51,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:51,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:51,458 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:51,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:51,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:51,460 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:51,461 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:41:51,461 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:41:51,462 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:41:51,462 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:41:51,463 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:41:51,463 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:41:51,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:51,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:41:51,470 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:41:51,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:41:51,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:41:51,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:51,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:41:51,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:41:51,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:41:51,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:41:51,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:41:51,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:51,474 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:41:51,475 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:51,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:51,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:51,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:51,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:41:51,477 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:41:51,477 INFO L153 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_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12b38fa2e3d5fdbfa2e75fd7db8c6635c3a88ba468adc8c100051dd60d30a551 [2023-11-26 10:41:51,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:51,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:51,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:51,780 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:51,781 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:51,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/recursive/Addition02.c [2023-11-26 10:41:54,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:55,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:55,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/sv-benchmarks/c/recursive/Addition02.c [2023-11-26 10:41:55,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/data/1221a4e79/144802dad87c45ae952856b5697e5e07/FLAG40c0d7d4e [2023-11-26 10:41:55,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/data/1221a4e79/144802dad87c45ae952856b5697e5e07 [2023-11-26 10:41:55,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:55,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:55,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:55,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:55,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:55,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7e3f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55, skipping insertion in model container [2023-11-26 10:41:55,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,284 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:55,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:55,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:55,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:55,558 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:55,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55 WrapperNode [2023-11-26 10:41:55,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:55,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:55,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:55,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:55,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,595 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-11-26 10:41:55,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:55,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:55,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:55,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:55,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,610 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,623 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:41:55,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:55,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:55,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:55,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:55,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (1/1) ... [2023-11-26 10:41:55,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:55,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:55,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:55,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:55,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:41:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2023-11-26 10:41:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2023-11-26 10:41:55,800 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:55,803 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:55,986 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:55,996 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:55,997 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:41:55,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:55 BoogieIcfgContainer [2023-11-26 10:41:55,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:56,000 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:41:56,000 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:41:56,004 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:41:56,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:56,006 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:41:55" (1/3) ... [2023-11-26 10:41:56,007 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10e8a63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:41:56, skipping insertion in model container [2023-11-26 10:41:56,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:56,007 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:55" (2/3) ... [2023-11-26 10:41:56,008 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10e8a63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:41:56, skipping insertion in model container [2023-11-26 10:41:56,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:56,008 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:55" (3/3) ... [2023-11-26 10:41:56,010 INFO L332 chiAutomizerObserver]: Analyzing ICFG Addition02.c [2023-11-26 10:41:56,069 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:41:56,070 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:41:56,070 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:41:56,070 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:41:56,071 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:41:56,071 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:41:56,071 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:41:56,071 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:41:56,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:41:56,097 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-26 10:41:56,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:56,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:56,103 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 10:41:56,103 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 10:41:56,104 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:41:56,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:41:56,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-26 10:41:56,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:56,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:56,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 10:41:56,108 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 10:41:56,116 INFO L748 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 4#L30true assume !(main_~m~0#1 < 0 || main_~m~0#1 > 1073741823);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 10#L36true assume !(main_~n~0#1 < 0 || main_~n~0#1 > 1073741823); 18#L41true call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 6#$Ultimate##0true [2023-11-26 10:41:56,117 INFO L750 eck$LassoCheckResult]: Loop: 6#$Ultimate##0true ~m := #in~m;~n := #in~n; 7#L16true assume !(0 == ~n); 15#L19true assume ~n > 0; 16#L20true call #t~ret4 := addition(1 + ~m, ~n - 1);< 6#$Ultimate##0true [2023-11-26 10:41:56,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:56,123 INFO L85 PathProgramCache]: Analyzing trace with hash 28695877, now seen corresponding path program 1 times [2023-11-26 10:41:56,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:56,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878819538] [2023-11-26 10:41:56,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:56,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:56,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:56,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:56,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:56,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1758770, now seen corresponding path program 1 times [2023-11-26 10:41:56,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:56,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426647081] [2023-11-26 10:41:56,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:56,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:56,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:56,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:56,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:56,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1297641846, now seen corresponding path program 1 times [2023-11-26 10:41:56,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:56,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304329719] [2023-11-26 10:41:56,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:56,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:56,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:56,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:56,536 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:56,536 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:56,536 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:56,537 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:56,537 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:41:56,537 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:56,537 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:56,537 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:56,538 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2023-11-26 10:41:56,538 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:56,538 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:56,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:56,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:56,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:56,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:56,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:56,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:56,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:56,670 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:56,671 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:41:56,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:56,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:56,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:56,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:56,689 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:56,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:41:56,709 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:41:56,709 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:41:56,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-26 10:41:56,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:56,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:56,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:56,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:41:56,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:56,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:56,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:56,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:56,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:56,775 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:56,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:41:56,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:56,785 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:56,821 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:41:56,821 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=1}, {addition_#in~m=3}, {addition_#in~m=-3}] Lambdas: [1, 2, 1] Nus: [0, 1] [2023-11-26 10:41:56,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:56,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:56,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:56,831 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:56,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:56,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:56,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:41:56,869 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:41:56,869 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:41:56,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:56,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:56,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:56,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:56,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:56,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:56,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:41:56,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:56,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:56,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:56,920 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:56,929 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:56,929 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:56,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:41:57,005 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 10:41:57,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:57,009 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:57,009 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:57,009 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:57,009 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:57,009 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:41:57,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:57,010 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:57,010 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:57,010 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2023-11-26 10:41:57,010 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:57,010 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:57,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:57,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:57,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:57,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:57,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:57,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:57,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:57,112 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:57,117 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:41:57,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:57,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:57,124 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:57,129 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 [2023-11-26 10:41:57,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:41:57,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:57,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:57,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:57,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:57,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:57,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:57,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:57,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:57,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:57,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:57,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:57,169 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:57,181 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 [2023-11-26 10:41:57,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:57,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:57,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:57,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:57,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:57,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:41:57,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:57,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:57,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:57,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:57,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:57,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:57,234 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:57,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:41:57,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:41:57,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:57,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:57,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:57,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:57,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:57,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:57,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:57,259 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:41:57,264 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 10:41:57,264 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-26 10:41:57,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:57,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:57,295 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:57,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:41:57,297 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:41:57,297 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 10:41:57,297 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:41:57,298 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2023-11-26 10:41:57,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:57,306 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 10:41:57,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:57,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:41:57,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:57,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 10:41:57,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:57,465 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 [2023-11-26 10:41:57,468 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-26 10:41:57,614 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 55 states and 74 transitions. Complement of second has 12 states. [2023-11-26 10:41:57,642 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 [2023-11-26 10:41:57,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:57,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-26 10:41:57,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-26 10:41:57,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-26 10:41:57,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:57,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-26 10:41:57,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:57,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-26 10:41:57,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:57,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 74 transitions. [2023-11-26 10:41:57,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-26 10:41:57,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 27 states and 30 transitions. [2023-11-26 10:41:57,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-26 10:41:57,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-26 10:41:57,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2023-11-26 10:41:57,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:41:57,725 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 30 transitions. [2023-11-26 10:41:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2023-11-26 10:41:57,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2023-11-26 10:41:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2023-11-26 10:41:57,754 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-26 10:41:57,754 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-26 10:41:57,755 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:41:57,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2023-11-26 10:41:57,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-26 10:41:57,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:57,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:57,756 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:57,756 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-26 10:41:57,757 INFO L748 eck$LassoCheckResult]: Stem: 152#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);call #Ultimate.allocInit(12, 3); 153#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 144#L30 assume !(main_~m~0#1 < 0 || main_~m~0#1 > 1073741823);havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 145#L36 assume !(main_~n~0#1 < 0 || main_~n~0#1 > 1073741823); 141#L41 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 143#$Ultimate##0 ~m := #in~m;~n := #in~n; 148#L16 assume !(0 == ~n); 150#L19 assume !(~n > 0); 146#L22 [2023-11-26 10:41:57,757 INFO L750 eck$LassoCheckResult]: Loop: 146#L22 assume ~n < 0; 138#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 140#$Ultimate##0 ~m := #in~m;~n := #in~n; 155#L16 assume !(0 == ~n); 154#L19 assume !(~n > 0); 146#L22 [2023-11-26 10:41:57,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:57,758 INFO L85 PathProgramCache]: Analyzing trace with hash 180406748, now seen corresponding path program 1 times [2023-11-26 10:41:57,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:57,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056455262] [2023-11-26 10:41:57,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:57,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:57,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:57,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056455262] [2023-11-26 10:41:57,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056455262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:57,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:57,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:41:57,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385717555] [2023-11-26 10:41:57,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:57,901 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:41:57,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:57,902 INFO L85 PathProgramCache]: Analyzing trace with hash 67056695, now seen corresponding path program 1 times [2023-11-26 10:41:57,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:57,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524463298] [2023-11-26 10:41:57,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:57,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:57,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:57,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:58,079 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:58,079 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:58,079 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:58,080 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:58,080 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:41:58,080 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:58,080 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:58,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:58,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2023-11-26 10:41:58,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:58,080 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:58,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:58,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:58,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:58,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:58,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:41:58,168 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:58,168 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:41:58,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:58,170 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:58,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:58,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:58,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:41:58,202 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:41:58,203 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:41:58,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:58,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:58,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:58,213 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:58,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:58,222 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:58,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 10:41:58,244 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:41:58,244 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:41:58,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:58,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:58,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:58,259 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:58,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:58,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:58,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 10:41:58,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:58,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:58,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:58,317 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:58,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:58,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:58,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 10:41:58,516 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:41:58,517 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0, addition_~m=-6} Honda state: {addition_#in~m=0, addition_~m=-6} Generalized eigenvectors: [{addition_#in~m=-2, addition_~m=-1}, {addition_#in~m=1, addition_~m=0}, {addition_#in~m=-6, addition_~m=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2023-11-26 10:41:58,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:58,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:58,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:58,528 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:58,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 10:41:58,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:58,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:58,564 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:41:58,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:41:58,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:58,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:58,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:58,574 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:58,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:58,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:58,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 10:41:58,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:58,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:58,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:58,628 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:58,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 10:41:58,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:58,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:42:06,504 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 10:42:06,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:06,509 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:06,509 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:06,509 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:06,509 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:06,509 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:42:06,509 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:06,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:06,510 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:06,510 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2023-11-26 10:42:06,510 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:06,510 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:06,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:06,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:06,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:06,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:06,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:06,611 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:06,611 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:42:06,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:06,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:06,616 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:06,621 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 [2023-11-26 10:42:06,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:06,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:06,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:06,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:06,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:06,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:06,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:06,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 10:42:06,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:06,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:06,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:06,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:06,654 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:06,665 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 [2023-11-26 10:42:06,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:06,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:06,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:06,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:06,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:06,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:06,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:06,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 10:42:06,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:06,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:06,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:06,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:06,704 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:06,713 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 [2023-11-26 10:42:06,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 10:42:06,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:06,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:06,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:06,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:06,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:06,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:06,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:06,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:06,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:06,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:06,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:06,750 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:06,754 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 [2023-11-26 10:42:06,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:06,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:06,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:06,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:06,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:06,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:06,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:06,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 10:42:06,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:06,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:06,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:06,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:06,798 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:06,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 10:42:06,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:06,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:06,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:06,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:06,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:06,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:06,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:06,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:06,824 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:42:06,828 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 10:42:06,828 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-26 10:42:06,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:06,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:06,832 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:06,836 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:42:06,837 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 10:42:06,837 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:42:06,837 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2023-11-26 10:42:06,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 10:42:06,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:06,847 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 10:42:06,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:06,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:42:06,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:06,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 10:42:06,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:07,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:07,021 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-26 10:42:07,021 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:07,066 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 13 states. [2023-11-26 10:42:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:07,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2023-11-26 10:42:07,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. [2023-11-26 10:42:07,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:07,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 5 letters. [2023-11-26 10:42:07,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:07,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 10 letters. [2023-11-26 10:42:07,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:07,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2023-11-26 10:42:07,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-26 10:42:07,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 31 transitions. [2023-11-26 10:42:07,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-26 10:42:07,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-26 10:42:07,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2023-11-26 10:42:07,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:42:07,074 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-26 10:42:07,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2023-11-26 10:42:07,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2023-11-26 10:42:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2023-11-26 10:42:07,078 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-26 10:42:07,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:07,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:42:07,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:42:07,082 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:07,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:07,122 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2023-11-26 10:42:07,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2023-11-26 10:42:07,123 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:42:07,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2023-11-26 10:42:07,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 10:42:07,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 10:42:07,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 10:42:07,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:42:07,124 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:07,124 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:07,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:42:07,126 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:07,126 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:42:07,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:42:07,126 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:42:07,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 10:42:07,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:42:07 BoogieIcfgContainer [2023-11-26 10:42:07,135 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:42:07,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:42:07,136 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:42:07,136 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:42:07,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:55" (3/4) ... [2023-11-26 10:42:07,138 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:42:07,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:42:07,141 INFO L158 Benchmark]: Toolchain (without parser) took 11892.04ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 87.1MB in the beginning and 92.5MB in the end (delta: -5.4MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-11-26 10:42:07,141 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:07,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.34ms. Allocated memory is still 138.4MB. Free memory was 87.1MB in the beginning and 76.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:42:07,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.57ms. Allocated memory is still 138.4MB. Free memory was 76.7MB in the beginning and 75.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:07,143 INFO L158 Benchmark]: Boogie Preprocessor took 36.78ms. Allocated memory is still 138.4MB. Free memory was 75.2MB in the beginning and 73.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:07,144 INFO L158 Benchmark]: RCFGBuilder took 365.35ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 73.5MB in the beginning and 155.7MB in the end (delta: -82.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:07,144 INFO L158 Benchmark]: BuchiAutomizer took 11134.97ms. Allocated memory is still 186.6MB. Free memory was 155.4MB in the beginning and 92.5MB in the end (delta: 62.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-26 10:42:07,145 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 186.6MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:07,148 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.34ms. Allocated memory is still 138.4MB. Free memory was 87.1MB in the beginning and 76.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.57ms. Allocated memory is still 138.4MB. Free memory was 76.7MB in the beginning and 75.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.78ms. Allocated memory is still 138.4MB. Free memory was 75.2MB in the beginning and 73.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.35ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 73.5MB in the beginning and 155.7MB in the end (delta: -82.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 11134.97ms. Allocated memory is still 186.6MB. Free memory was 155.4MB in the beginning and 92.5MB in the end (delta: 62.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 186.6MB. Free memory is still 92.5MB. 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 \old(n) and consists of 4 locations. One deterministic module has affine ranking function (-1 * n) and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 10.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 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, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 30 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp83 dnf100 smp100 tf111 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 8.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 10:42:07,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:07,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb768506-6f3f-43fe-ac5b-b56dba7ab605/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE