./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/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_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/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 64bit --witnessprinter.graph.data.programhash fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:21,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:22,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 10:41:22,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:22,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:22,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:22,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:22,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:22,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:22,055 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:22,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:22,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:22,057 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:22,058 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:41:22,059 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:41:22,060 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:41:22,061 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:41:22,061 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:41:22,062 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:41:22,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:22,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:41:22,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:41:22,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:22,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:41:22,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:41:22,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:41:22,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:41:22,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:22,069 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:41:22,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:22,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:22,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:22,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:22,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:41:22,072 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:41:22,072 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_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2023-11-26 10:41:22,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:22,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:22,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:22,421 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:22,422 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:22,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2023-11-26 10:41:25,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:25,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:25,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2023-11-26 10:41:25,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/data/2b7afad60/4f681c034673465ea44a8058020a1ab9/FLAG4596cb9d4 [2023-11-26 10:41:25,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/data/2b7afad60/4f681c034673465ea44a8058020a1ab9 [2023-11-26 10:41:25,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:25,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:25,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:25,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:25,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:25,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:25" (1/1) ... [2023-11-26 10:41:25,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f87aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:25, skipping insertion in model container [2023-11-26 10:41:25,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:25" (1/1) ... [2023-11-26 10:41:25,914 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:26,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:26,096 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:26,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:26,128 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:26,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26 WrapperNode [2023-11-26 10:41:26,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:26,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:26,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:26,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:26,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,163 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2023-11-26 10:41:26,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:26,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:26,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:26,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:26,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,178 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,184 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-26 10:41:26,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:26,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:26,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:26,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:26,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (1/1) ... [2023-11-26 10:41:26,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:26,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:26,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:26,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:26,354 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:26,356 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:26,499 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:26,513 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:26,513 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:41:26,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:26 BoogieIcfgContainer [2023-11-26 10:41:26,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:26,517 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:41:26,517 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:41:26,522 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:41:26,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:26,523 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:41:25" (1/3) ... [2023-11-26 10:41:26,525 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2280e003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:41:26, skipping insertion in model container [2023-11-26 10:41:26,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:26,526 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:26" (2/3) ... [2023-11-26 10:41:26,528 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2280e003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:41:26, skipping insertion in model container [2023-11-26 10:41:26,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:41:26,529 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:26" (3/3) ... [2023-11-26 10:41:26,533 INFO L332 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2023-11-26 10:41:26,607 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:41:26,609 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:41:26,609 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:41:26,609 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:41:26,609 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:41:26,610 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:41:26,610 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:41:26,611 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:41:26,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:26,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:41:26,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:26,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:26,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:41:26,645 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:41:26,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:41:26,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:26,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:41:26,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:26,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:26,649 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 10:41:26,650 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:41:26,658 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L14true assume !(main_~y~0#1 >= 113383); 6#L16-2true [2023-11-26 10:41:26,659 INFO L750 eck$LassoCheckResult]: Loop: 6#L16-2true assume !!(main_~y~0#1 > 1); 2#L16true assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 6#L16-2true [2023-11-26 10:41:26,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:26,666 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-26 10:41:26,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:26,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181627565] [2023-11-26 10:41:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:26,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:26,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:26,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:26,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2023-11-26 10:41:26,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:26,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753058087] [2023-11-26 10:41:26,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:26,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:26,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:26,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:26,885 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2023-11-26 10:41:26,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:26,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820284714] [2023-11-26 10:41:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:26,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:26,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:27,034 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:27,035 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:27,035 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:27,035 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:27,035 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:41:27,036 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:27,036 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:27,036 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:27,036 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2023-11-26 10:41:27,037 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:27,037 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:27,054 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 10:41:27,183 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:27,184 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:41:27,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:27,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:27,200 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:27,200 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:27,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:41:27,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:27,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:27,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:27,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:27,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:27,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:27,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:41:27,314 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 10:41:27,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:27,320 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:27,320 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:27,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:27,320 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:27,321 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:41:27,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:27,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:27,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:27,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2023-11-26 10:41:27,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:27,321 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:27,323 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 10:41:27,447 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:27,452 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:41:27,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:27,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:27,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:27,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:41:27,484 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 10:41:27,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:27,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:27,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:27,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:27,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:27,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:27,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:27,513 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:41:27,519 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-26 10:41:27,519 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 10:41:27,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:27,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:27,562 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:27,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:41:27,582 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:41:27,583 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 10:41:27,584 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:41:27,584 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-11-26 10:41:27,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:27,595 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 10:41:27,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:41:27,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,648 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:41:27,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:27,670 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 10:41:27,706 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:41:27,708 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:27,777 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 32 transitions. Complement of second has 8 states. [2023-11-26 10:41:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 10:41:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2023-11-26 10:41:27,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-26 10:41:27,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:27,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-26 10:41:27,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:27,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-26 10:41:27,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:27,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2023-11-26 10:41:27,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:41:27,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 9 states and 12 transitions. [2023-11-26 10:41:27,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-26 10:41:27,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-26 10:41:27,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-11-26 10:41:27,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:41:27,800 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-26 10:41:27,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-11-26 10:41:27,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-26 10:41:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-11-26 10:41:27,828 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-26 10:41:27,828 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-26 10:41:27,828 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:41:27,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-11-26 10:41:27,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:41:27,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:27,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:27,830 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 10:41:27,830 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:41:27,830 INFO L748 eck$LassoCheckResult]: Stem: 80#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 81#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 82#L14 assume !(main_~y~0#1 >= 113383); 83#L16-2 assume !!(main_~y~0#1 > 1); 75#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 76#L16-2 [2023-11-26 10:41:27,830 INFO L750 eck$LassoCheckResult]: Loop: 76#L16-2 assume !!(main_~y~0#1 > 1); 79#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 76#L16-2 [2023-11-26 10:41:27,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:27,831 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2023-11-26 10:41:27,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:27,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380745546] [2023-11-26 10:41:27,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:27,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:27,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:27,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:27,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:27,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2023-11-26 10:41:27,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:27,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754374881] [2023-11-26 10:41:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:27,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:27,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:27,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:27,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:27,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2023-11-26 10:41:27,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:27,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589192965] [2023-11-26 10:41:27,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:27,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:27,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:27,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:27,932 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:27,932 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:27,932 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:27,932 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:27,932 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:41:27,932 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:27,932 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:27,933 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:27,933 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2023-11-26 10:41:27,933 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:27,933 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:27,934 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 10:41:28,042 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:28,042 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:41:28,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:28,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:28,044 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:28,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:41:28,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:28,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:28,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:28,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:28,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:28,092 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:28,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:28,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:28,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:41:28,184 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 10:41:28,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:28,194 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:28,194 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:28,195 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:28,195 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:28,195 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:41:28,195 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:28,195 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:28,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:28,195 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2023-11-26 10:41:28,195 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:28,196 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:28,197 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 10:41:28,295 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:28,296 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:41:28,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:28,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:28,297 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:28,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:41:28,308 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 10:41:28,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:28,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:28,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:28,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:28,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:28,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:28,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:28,333 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:41:28,338 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 10:41:28,338 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-26 10:41:28,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:28,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:28,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:28,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:41:28,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:41:28,356 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 10:41:28,356 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:41:28,356 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-11-26 10:41:28,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-26 10:41:28,362 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 10:41:28,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:28,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:41:28,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:28,412 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:41:28,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:28,440 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 10:41:28,443 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:41:28,444 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:28,479 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 5 states. [2023-11-26 10:41:28,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 10:41:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-26 10:41:28,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-26 10:41:28,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:28,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-26 10:41:28,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:28,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-26 10:41:28,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:28,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2023-11-26 10:41:28,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:41:28,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2023-11-26 10:41:28,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-26 10:41:28,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-26 10:41:28,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-26 10:41:28,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:41:28,494 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-26 10:41:28,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-26 10:41:28,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-26 10:41:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-26 10:41:28,498 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-26 10:41:28,498 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-26 10:41:28,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:41:28,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-26 10:41:28,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 10:41:28,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:28,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:28,501 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2023-11-26 10:41:28,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 10:41:28,502 INFO L748 eck$LassoCheckResult]: Stem: 144#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 146#L14 assume !(main_~y~0#1 >= 113383); 147#L16-2 assume !!(main_~y~0#1 > 1); 138#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 139#L16-2 assume !!(main_~y~0#1 > 1); 148#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 142#L16-2 [2023-11-26 10:41:28,502 INFO L750 eck$LassoCheckResult]: Loop: 142#L16-2 assume !!(main_~y~0#1 > 1); 143#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 142#L16-2 [2023-11-26 10:41:28,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:28,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2023-11-26 10:41:28,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:28,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743563041] [2023-11-26 10:41:28,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:28,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:28,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:28,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743563041] [2023-11-26 10:41:28,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743563041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:28,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:28,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:41:28,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709676311] [2023-11-26 10:41:28,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:28,836 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:41:28,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:28,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2023-11-26 10:41:28,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:28,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447165062] [2023-11-26 10:41:28,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:28,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:28,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:28,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:28,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-26 10:41:28,963 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:28,964 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:28,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:28,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:28,965 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:41:28,965 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:28,966 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:28,966 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:28,966 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2023-11-26 10:41:28,966 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:28,966 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:28,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:28,997 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 10:41:29,108 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:29,108 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:41:29,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:29,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:29,110 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:29,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:41:29,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:29,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:29,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:29,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:29,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:29,166 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:29,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:29,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:29,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:41:29,236 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 10:41:29,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:29,240 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:29,240 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:29,240 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:29,240 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:29,240 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:41:29,241 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:29,241 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:29,241 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:29,241 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2023-11-26 10:41:29,241 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:29,241 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:29,242 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 10:41:29,338 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:29,338 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:41:29,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:29,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:29,340 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:29,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:41:29,345 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 10:41:29,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:29,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:29,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:29,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:29,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:29,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:29,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:29,375 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:41:29,379 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 10:41:29,380 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-26 10:41:29,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:29,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:29,384 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:29,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 10:41:29,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:41:29,390 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 10:41:29,390 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:41:29,391 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-11-26 10:41:29,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:29,396 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 10:41:29,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:41:29,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,437 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:41:29,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:29,453 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 10:41:29,454 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:41:29,455 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:29,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 22 transitions. Complement of second has 5 states. [2023-11-26 10:41:29,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 10:41:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-26 10:41:29,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-26 10:41:29,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:29,476 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:41:29,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:41:29,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,523 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:41:29,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:29,543 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 10:41:29,544 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:41:29,545 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:29,571 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 22 transitions. Complement of second has 5 states. [2023-11-26 10:41:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 10:41:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-11-26 10:41:29,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-26 10:41:29,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:29,576 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:41:29,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:41:29,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,618 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:41:29,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:29,639 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 10:41:29,640 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:41:29,640 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:29,666 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 25 transitions. Complement of second has 4 states. [2023-11-26 10:41:29,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 10:41:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-26 10:41:29,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-26 10:41:29,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:29,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-26 10:41:29,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:29,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-26 10:41:29,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:41:29,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2023-11-26 10:41:29,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:41:29,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2023-11-26 10:41:29,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-26 10:41:29,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-26 10:41:29,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2023-11-26 10:41:29,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:41:29,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-26 10:41:29,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2023-11-26 10:41:29,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2023-11-26 10:41:29,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2023-11-26 10:41:29,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-11-26 10:41:29,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:29,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:41:29,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:41:29,687 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:29,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:29,710 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2023-11-26 10:41:29,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2023-11-26 10:41:29,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-26 10:41:29,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2023-11-26 10:41:29,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-26 10:41:29,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-26 10:41:29,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2023-11-26 10:41:29,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:41:29,721 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-26 10:41:29,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2023-11-26 10:41:29,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-26 10:41:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:41:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2023-11-26 10:41:29,724 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-26 10:41:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:41:29,727 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-11-26 10:41:29,727 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 10:41:29,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2023-11-26 10:41:29,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:41:29,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:41:29,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:41:29,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 10:41:29,729 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2023-11-26 10:41:29,729 INFO L748 eck$LassoCheckResult]: Stem: 329#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 331#L14 assume !(main_~y~0#1 >= 113383); 332#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-26 10:41:29,729 INFO L750 eck$LassoCheckResult]: Loop: 325#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 326#L16-2 assume !!(main_~y~0#1 > 1); 327#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 328#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-26 10:41:29,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:29,730 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-11-26 10:41:29,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:29,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893981337] [2023-11-26 10:41:29,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:29,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:29,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:29,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:29,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:29,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2023-11-26 10:41:29,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:29,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299601894] [2023-11-26 10:41:29,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:29,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:29,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:29,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:29,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:29,768 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2023-11-26 10:41:29,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:29,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026870196] [2023-11-26 10:41:29,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:29,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:29,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:29,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:29,869 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:29,870 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:29,870 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:29,870 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:29,870 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:41:29,870 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:29,870 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:29,870 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:29,871 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-26 10:41:29,871 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:29,871 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:29,872 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 10:41:29,987 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:29,988 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:41:29,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:29,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:29,989 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:30,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:30,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 10:41:30,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,049 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 10:41:30,061 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:30,061 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:30,132 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-26 10:41:30,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,144 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:30,144 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:30,144 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:30,144 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:30,144 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:41:30,144 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,144 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:30,145 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:30,145 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-26 10:41:30,145 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:30,145 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:30,146 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 10:41:30,281 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:30,281 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:41:30,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,282 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,293 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 10:41:30,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:30,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:30,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:30,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:30,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:30,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 10:41:30,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:30,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:30,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:30,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,327 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-26 10:41:30,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,329 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 10:41:30,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:41:30,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:30,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:30,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:30,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:30,354 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:30,358 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:30,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:30,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:30,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,377 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-26 10:41:30,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,379 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,387 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 10:41:30,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 10:41:30,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:30,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:30,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:30,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:30,401 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:30,406 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:30,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:30,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:30,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,437 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-26 10:41:30,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,438 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,444 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 10:41:30,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 10:41:30,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:30,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:30,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:30,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:30,459 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:30,465 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:30,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:30,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:30,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,488 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-26 10:41:30,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,489 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,499 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 10:41:30,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 10:41:30,512 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:30,512 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:30,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:30,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:30,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:30,513 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:30,517 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:30,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:30,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:30,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,540 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-26 10:41:30,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,541 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,545 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 10:41:30,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 10:41:30,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:30,559 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-26 10:41:30,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:30,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:30,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:30,560 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:30,565 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:30,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:30,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:30,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,591 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-26 10:41:30,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,592 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,601 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 10:41:30,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 10:41:30,616 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:30,616 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:30,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:30,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:30,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:30,616 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:30,625 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:30,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:30,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:30,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,686 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-26 10:41:30,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,687 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,691 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 10:41:30,704 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:30,704 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:30,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:30,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:30,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:30,705 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:30,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 10:41:30,709 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:30,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:30,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:30,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,725 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-26 10:41:30,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,727 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,732 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 10:41:30,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 10:41:30,746 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:30,746 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:30,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:30,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:30,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:30,746 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-26 10:41:30,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:41:30,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:30,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:30,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,811 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:30,811 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:30,812 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:30,812 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:30,812 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:41:30,812 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,812 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:30,812 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:30,812 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-26 10:41:30,813 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:30,813 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:30,814 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 10:41:30,829 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 10:41:30,832 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 10:41:30,943 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:30,944 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:41:30,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:30,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,952 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:30,957 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:30,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 10:41:31,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:31,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:31,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:31,010 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:31,016 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:31,016 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:31,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 10:41:31,622 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-26 10:41:31,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-26 10:41:31,626 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:31,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:31,626 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:31,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:31,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:41:31,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:31,627 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:31,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:31,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-26 10:41:31,627 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:31,627 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:31,628 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 10:41:31,631 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 10:41:31,634 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 10:41:31,751 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:31,751 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:41:31,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:31,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:31,753 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:31,757 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 10:41:31,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 10:41:31,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:31,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:31,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:31,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:31,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:31,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:31,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:31,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:31,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:31,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:31,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:31,798 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:31,804 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 10:41:31,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 10:41:31,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:31,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:31,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:31,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:31,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:31,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:31,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:31,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:31,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:31,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:31,849 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:31,861 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 10:41:31,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 10:41:31,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:31,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:31,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:31,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:31,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:41:31,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:41:31,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:31,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:31,912 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-26 10:41:31,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:31,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:31,914 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:31,918 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 10:41:31,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:31,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:31,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:31,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:31,931 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:31,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 10:41:31,933 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:31,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:31,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:31,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:31,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:31,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:31,962 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:31,966 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 10:41:31,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 10:41:31,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:31,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:31,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:31,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:31,980 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:31,980 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:31,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,014 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,018 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 10:41:32,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 10:41:32,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:32,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,032 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:32,038 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-26 10:41:32,038 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-26 10:41:32,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,068 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-26 10:41:32,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,072 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,077 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 10:41:32,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 10:41:32,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:32,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,090 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:32,092 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:32,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,126 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,130 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 10:41:32,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 10:41:32,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:32,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,144 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:32,144 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:32,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,181 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,188 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 10:41:32,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:32,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,204 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:32,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 10:41:32,214 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 10:41:32,214 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 10:41:32,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,244 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-26 10:41:32,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,246 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,249 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 10:41:32,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 10:41:32,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:32,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,264 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:32,265 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:32,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,285 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,289 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 10:41:32,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 10:41:32,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:32,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,305 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:32,306 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:32,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,332 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,336 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 10:41:32,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 10:41:32,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:32,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,352 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:32,373 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-26 10:41:32,373 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-26 10:41:32,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,411 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-26 10:41:32,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,413 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,417 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 10:41:32,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 10:41:32,433 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,433 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:32,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,434 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:32,435 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:32,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,465 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,477 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 10:41:32,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-26 10:41:32,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,491 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:32,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,492 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:32,493 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:32,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,514 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,517 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 10:41:32,531 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,531 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:32,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,531 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:32,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 10:41:32,539 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-26 10:41:32,539 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-26 10:41:32,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,569 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-26 10:41:32,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,571 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,575 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 10:41:32,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 10:41:32,589 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,589 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-26 10:41:32,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,589 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:32,591 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:32,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,613 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,617 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 10:41:32,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 10:41:32,631 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,631 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-26 10:41:32,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,632 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:32,633 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:32,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,643 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 10:41:32,649 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 10:41:32,660 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,661 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-26 10:41:32,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,661 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:32,671 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 10:41:32,671 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 10:41:32,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,722 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-26 10:41:32,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,723 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,728 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 10:41:32,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 10:41:32,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,742 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:32,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,742 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:32,744 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:32,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,777 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 10:41:32,784 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 10:41:32,795 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,795 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:32,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,795 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:32,797 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:32,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,815 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,820 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 10:41:32,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 10:41:32,834 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,834 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:32,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,834 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:32,846 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-26 10:41:32,846 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-26 10:41:32,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,922 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-26 10:41:32,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,923 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,928 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 10:41:32,941 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,941 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:32,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,942 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:32,943 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:32,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 10:41:32,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:32,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:32,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:32,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:32,958 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:32,964 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 10:41:32,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 10:41:32,978 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:32,978 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:32,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:32,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:32,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:32,979 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:32,980 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:32,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:32,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:33,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,002 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,007 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 10:41:33,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 10:41:33,020 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:33,020 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:33,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:33,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:33,021 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:33,029 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 10:41:33,029 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 10:41:33,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:33,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,060 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-26 10:41:33,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,061 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,076 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 10:41:33,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 10:41:33,089 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:33,089 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:33,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:33,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:33,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:33,090 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-26 10:41:33,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:41:33,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:33,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:33,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,117 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,124 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 10:41:33,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-26 10:41:33,138 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:33,139 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:33,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:33,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:33,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:33,139 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-26 10:41:33,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:41:33,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:33,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:33,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,165 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,172 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 10:41:33,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-26 10:41:33,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:33,186 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:33,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:33,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:33,186 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-26 10:41:33,199 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-26 10:41:33,199 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-26 10:41:33,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:33,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,255 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2023-11-26 10:41:33,255 INFO L748 eck$LassoCheckResult]: Stem: 329#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 331#L14 assume !(main_~y~0#1 >= 113383); 332#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 326#L16-2 assume !!(main_~y~0#1 > 1); 327#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 328#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-26 10:41:33,255 INFO L750 eck$LassoCheckResult]: Loop: 325#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 326#L16-2 assume !!(main_~y~0#1 > 1); 327#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 328#L16-2 assume !!(main_~y~0#1 > 1); 325#L16 [2023-11-26 10:41:33,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:33,256 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2023-11-26 10:41:33,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:33,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351008609] [2023-11-26 10:41:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:33,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:33,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:33,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:33,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:33,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2023-11-26 10:41:33,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:33,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248789798] [2023-11-26 10:41:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:33,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:33,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:33,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:33,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:33,320 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2023-11-26 10:41:33,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:33,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152714840] [2023-11-26 10:41:33,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:33,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:33,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:33,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:33,450 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:33,450 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:33,450 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:33,450 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:33,450 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:41:33,450 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,451 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:33,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:33,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-26 10:41:33,451 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:33,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:33,452 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 10:41:33,544 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:33,544 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:41:33,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,546 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-26 10:41:33,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:33,550 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:33,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-26 10:41:33,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,576 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-26 10:41:33,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:33,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:33,686 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-26 10:41:33,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-26 10:41:33,691 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:33,691 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:33,691 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:33,691 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:33,691 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:41:33,691 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,691 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:33,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:33,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2023-11-26 10:41:33,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:33,692 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:33,693 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 10:41:33,796 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:33,797 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:41:33,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,798 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,808 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 10:41:33,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:33,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:33,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:33,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:33,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:33,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-26 10:41:33,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:33,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:33,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:33,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,847 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-26 10:41:33,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,849 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,853 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 10:41:33,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:33,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:33,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:33,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:33,866 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:33,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-26 10:41:33,869 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:33,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:33,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:33,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,887 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-26 10:41:33,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,889 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,893 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 10:41:33,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:33,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:33,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:33,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:33,906 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:33,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-26 10:41:33,910 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:33,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:33,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:33,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,931 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-26 10:41:33,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,933 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,936 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 10:41:33,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-26 10:41:33,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:33,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:33,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:33,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:33,949 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:33,952 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:33,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:33,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:33,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:33,968 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-26 10:41:33,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:33,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,970 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,976 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 10:41:33,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-26 10:41:33,989 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:33,989 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:33,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:33,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:33,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:33,990 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:33,993 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:33,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:34,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:34,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:34,024 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-26 10:41:34,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:34,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:34,025 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:34,032 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 10:41:34,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-26 10:41:34,045 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:34,046 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-26 10:41:34,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:34,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:34,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:34,046 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:34,050 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:34,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:34,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:34,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:34,075 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-26 10:41:34,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:34,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:34,076 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:34,084 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 10:41:34,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-26 10:41:34,099 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:34,100 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:34,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:34,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:34,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:34,100 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:34,106 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:34,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:34,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:34,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:34,146 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-26 10:41:34,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:34,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:34,148 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:34,156 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 10:41:34,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-26 10:41:34,169 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:34,169 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:34,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:34,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:34,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:34,170 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:34,173 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:34,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:34,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:34,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:34,196 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-26 10:41:34,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:34,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:34,198 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:34,202 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 10:41:34,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-26 10:41:34,215 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:34,215 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:34,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:34,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:34,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:34,216 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-26 10:41:34,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:41:34,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:34,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:34,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:34,318 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:34,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:34,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:34,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:34,318 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:41:34,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:34,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:34,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:34,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-26 10:41:34,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:34,319 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:34,320 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 10:41:34,323 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 10:41:34,325 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 10:41:34,517 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:34,518 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:41:34,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:34,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:34,519 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:34,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-26 10:41:34,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:34,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:34,543 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:41:34,543 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:41:34,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:34,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:34,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:34,550 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:34,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:34,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:34,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-26 10:41:34,596 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:41:34,596 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:41:34,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:34,604 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:34,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:41:34,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:34,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-26 10:41:34,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:34,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:34,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:34,685 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:34,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-26 10:41:34,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:41:34,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:41:37,129 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 10:41:37,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-26 10:41:37,134 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:41:37,134 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:41:37,135 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:41:37,135 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:41:37,135 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:41:37,135 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,135 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:41:37,135 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:41:37,135 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2023-11-26 10:41:37,135 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:41:37,135 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:41:37,136 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 10:41:37,142 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 10:41:37,163 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 10:41:37,351 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:41:37,351 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:41:37,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,353 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,361 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 10:41:37,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:37,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:37,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-26 10:41:37,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:37,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,413 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,417 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 10:41:37,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:37,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-26 10:41:37,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:41:37,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:41:37,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:37,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,460 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,465 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 10:41:37,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-26 10:41:37,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:41:37,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:41:37,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:37,495 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-26 10:41:37,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,496 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,501 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 10:41:37,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,514 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:37,514 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:37,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-26 10:41:37,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:37,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,536 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,540 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 10:41:37,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,553 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:37,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-26 10:41:37,560 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-26 10:41:37,560 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-26 10:41:37,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-26 10:41:37,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,587 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-26 10:41:37,589 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 10:41:37,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,600 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:37,601 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:37,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-26 10:41:37,606 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-26 10:41:37,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,607 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-26 10:41:37,610 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 10:41:37,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,621 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:37,622 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:37,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-26 10:41:37,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,627 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-26 10:41:37,630 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 10:41:37,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,640 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:37,655 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 10:41:37,656 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 10:41:37,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-26 10:41:37,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,689 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,700 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 10:41:37,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-26 10:41:37,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,713 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:37,714 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:37,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-11-26 10:41:37,719 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-26 10:41:37,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,720 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-26 10:41:37,723 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 10:41:37,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,734 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:37,735 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:37,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:37,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,764 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,772 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 10:41:37,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-26 10:41:37,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,784 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:37,795 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-26 10:41:37,796 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-26 10:41:37,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2023-11-26 10:41:37,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,835 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-26 10:41:37,837 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 10:41:37,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:41:37,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,848 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:37,849 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:37,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-26 10:41:37,854 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-11-26 10:41:37,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,855 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-26 10:41:37,857 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 10:41:37,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:37,868 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:37,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,868 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:37,869 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:37,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-26 10:41:37,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,875 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-26 10:41:37,879 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 10:41:37,889 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:37,890 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:37,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,890 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:37,898 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-26 10:41:37,898 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-26 10:41:37,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2023-11-26 10:41:37,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,922 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-26 10:41:37,925 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 10:41:37,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:37,935 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:37,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,935 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 10:41:37,936 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 10:41:37,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-26 10:41:37,941 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-11-26 10:41:37,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,942 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-26 10:41:37,944 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 10:41:37,956 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:37,956 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-26 10:41:37,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:37,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:37,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:37,956 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:37,957 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:37,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:37,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:37,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:37,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:37,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:37,989 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:37,996 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 10:41:38,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-26 10:41:38,010 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,010 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-26 10:41:38,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,010 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:38,019 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 10:41:38,019 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 10:41:38,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2023-11-26 10:41:38,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,057 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-26 10:41:38,061 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 10:41:38,072 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,072 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-11-26 10:41:38,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:38,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,072 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:38,073 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:38,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:38,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2023-11-26 10:41:38,079 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-11-26 10:41:38,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,080 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-26 10:41:38,083 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 10:41:38,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,094 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:38,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:38,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,095 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:38,096 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:38,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:38,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2023-11-26 10:41:38,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,106 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-26 10:41:38,109 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 10:41:38,120 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,120 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:38,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,121 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:38,132 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-26 10:41:38,133 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-26 10:41:38,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:38,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,195 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-26 10:41:38,197 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 10:41:38,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,208 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:38,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:38,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,208 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-26 10:41:38,210 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-26 10:41:38,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:38,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:38,219 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-11-26 10:41:38,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,220 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-26 10:41:38,225 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 10:41:38,237 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,237 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:38,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:38,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,237 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:38,238 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:38,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:38,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:38,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,257 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-26 10:41:38,259 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 10:41:38,270 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,270 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:38,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,270 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:38,279 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-26 10:41:38,279 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 10:41:38,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2023-11-26 10:41:38,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,306 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-26 10:41:38,309 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 10:41:38,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,319 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-11-26 10:41:38,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:38,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,320 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-26 10:41:38,320 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-26 10:41:38,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:38,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:38,326 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-11-26 10:41:38,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,327 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-26 10:41:38,330 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 10:41:38,341 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,341 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:38,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:38,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,342 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-26 10:41:38,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:41:38,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:38,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:38,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,350 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-26 10:41:38,353 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 10:41:38,364 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,364 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:38,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,364 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-26 10:41:38,378 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2023-11-26 10:41:38,378 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-11-26 10:41:38,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:38,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:41:38,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,426 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-26 10:41:38,428 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 10:41:38,439 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-11-26 10:41:38,439 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-11-26 10:41:38,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:41:38,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:41:38,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:41:38,440 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-11-26 10:41:38,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:41:38,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:41:38,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:41:38,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:38,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:41:38 BoogieIcfgContainer [2023-11-26 10:41:38,453 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:41:38,454 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:41:38,454 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:41:38,454 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:41:38,455 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:26" (3/4) ... [2023-11-26 10:41:38,456 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:41:38,457 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:41:38,458 INFO L158 Benchmark]: Toolchain (without parser) took 12574.48ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 105.6MB in the beginning and 62.8MB in the end (delta: 42.9MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-11-26 10:41:38,458 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:38,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.97ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 95.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:41:38,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.21ms. Allocated memory is still 138.4MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:38,459 INFO L158 Benchmark]: Boogie Preprocessor took 35.63ms. Allocated memory is still 138.4MB. Free memory was 94.7MB in the beginning and 93.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:41:38,460 INFO L158 Benchmark]: RCFGBuilder took 314.39ms. Allocated memory is still 138.4MB. Free memory was 93.2MB in the beginning and 84.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 10:41:38,460 INFO L158 Benchmark]: BuchiAutomizer took 11936.90ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 84.7MB in the beginning and 62.8MB in the end (delta: 22.0MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-11-26 10:41:38,460 INFO L158 Benchmark]: Witness Printer took 3.54ms. Allocated memory is still 167.8MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:38,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.97ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 95.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.21ms. Allocated memory is still 138.4MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.63ms. Allocated memory is still 138.4MB. Free memory was 94.7MB in the beginning and 93.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.39ms. Allocated memory is still 138.4MB. Free memory was 93.2MB in the beginning and 84.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 11936.90ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 84.7MB in the beginning and 62.8MB in the end (delta: 22.0MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Witness Printer took 3.54ms. Allocated memory is still 167.8MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.8s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 11.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 38 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div550 bol100 ite100 ukn100 eq125 hnf96 smp30 dnf100 smp100 tf105 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 72ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 3.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~y~0#1 >= 113383);" "assume !!(main_~y~0#1 > 1);" "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" Loop: "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination [2023-11-26 10:41:38,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3433b7-6aeb-4918-8b2a-4ad9d5384b5f/bin/uautomizer-verify-VRDe98Ueme/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN