./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 8393723b 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_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:59:45,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:59:45,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:59:45,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:59:45,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:59:45,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:59:45,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:59:45,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:59:45,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:59:45,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:59:45,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:59:45,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:59:45,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:59:45,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:59:45,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:59:45,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:59:45,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:59:45,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:59:45,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:59:45,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:59:45,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:59:45,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:59:45,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:59:45,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:59:45,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:59:45,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:59:45,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:59:45,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:59:45,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:59:45,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:59:45,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:59:45,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:59:45,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:59:45,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:59:45,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:59:45,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:59:45,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:59:45,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:59:45,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:59:45,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:59:45,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:59:45,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:59:45,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:59:45,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:59:45,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:59:45,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:59:45,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:59:45,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:59:45,673 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:59:45,673 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:59:45,673 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:59:45,674 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:59:45,674 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:59:45,675 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:59:45,675 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:59:45,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:59:45,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:59:45,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:59:45,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:59:45,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:59:45,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:59:45,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:59:45,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:59:45,677 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:59:45,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:59:45,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:59:45,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:59:45,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:59:45,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:59:45,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:59:45,680 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:59:45,680 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2022-11-18 20:59:45,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:59:46,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:59:46,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:59:46,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:59:46,006 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:59:46,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-11-18 20:59:46,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/data/fbc0ab5e6/7bb4426ba3b0423d9073dd120e3313d0/FLAG2d77f844f [2022-11-18 20:59:46,614 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:59:46,614 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-11-18 20:59:46,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/data/fbc0ab5e6/7bb4426ba3b0423d9073dd120e3313d0/FLAG2d77f844f [2022-11-18 20:59:46,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/data/fbc0ab5e6/7bb4426ba3b0423d9073dd120e3313d0 [2022-11-18 20:59:46,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:59:46,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:59:46,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:46,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:59:46,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:59:46,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:46" (1/1) ... [2022-11-18 20:59:46,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eaeefee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:46, skipping insertion in model container [2022-11-18 20:59:46,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:46" (1/1) ... [2022-11-18 20:59:47,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:59:47,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:59:47,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:47,221 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:59:47,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:47,256 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:59:47,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47 WrapperNode [2022-11-18 20:59:47,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:47,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:47,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:59:47,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:59:47,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,297 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-18 20:59:47,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:47,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:59:47,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:59:47,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:59:47,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:59:47,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:59:47,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:59:47,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:59:47,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (1/1) ... [2022-11-18 20:59:47,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:47,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:47,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:47,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:59:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:59:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:59:47,488 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:59:47,491 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:59:47,618 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:59:47,626 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:59:47,627 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:59:47,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:47 BoogieIcfgContainer [2022-11-18 20:59:47,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:59:47,631 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:59:47,631 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:59:47,635 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:59:47,636 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:59:47,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:59:46" (1/3) ... [2022-11-18 20:59:47,638 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71d16f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:59:47, skipping insertion in model container [2022-11-18 20:59:47,638 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:59:47,638 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:47" (2/3) ... [2022-11-18 20:59:47,639 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71d16f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:59:47, skipping insertion in model container [2022-11-18 20:59:47,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:59:47,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:47" (3/3) ... [2022-11-18 20:59:47,640 INFO L332 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2022-11-18 20:59:47,715 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:59:47,715 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:59:47,715 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:59:47,715 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:59:47,715 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:59:47,715 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:59:47,715 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:59:47,716 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:59:47,720 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) [2022-11-18 20:59:47,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:59:47,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:59:47,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:59:47,753 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:59:47,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:59:47,754 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:59:47,754 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) [2022-11-18 20:59:47,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:59:47,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:59:47,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:59:47,758 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:59:47,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:59:47,769 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#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 [2022-11-18 20:59:47,770 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 [2022-11-18 20:59:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-18 20:59:47,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:47,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903079154] [2022-11-18 20:59:47,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:47,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:47,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:47,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:47,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:47,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2022-11-18 20:59:47,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:47,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778063082] [2022-11-18 20:59:47,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:47,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:47,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:47,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:47,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:47,997 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2022-11-18 20:59:47,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:47,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795825131] [2022-11-18 20:59:47,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:47,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:48,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:48,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:48,180 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:48,181 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:48,181 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:48,181 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:48,182 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:59:48,182 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:48,182 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:48,182 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:48,183 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-11-18 20:59:48,183 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:48,183 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:48,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:48,353 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:48,354 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:59:48,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:48,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:48,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:48,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:59:48,365 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:59:48,365 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:48,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:48,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:48,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:48,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:48,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:59:48,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:59:48,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:48,470 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:59:48,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-18 20:59:48,476 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:48,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:48,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:48,476 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:48,476 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:59:48,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:48,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:48,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:48,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-11-18 20:59:48,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:48,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:48,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:48,584 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:48,589 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:59:48,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:48,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:48,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:48,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:59:48,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:48,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:48,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:48,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:48,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:48,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:59:48,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:59:48,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:48,643 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:59:48,653 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:59:48,654 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-18 20:59:48,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:48,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:48,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:48,673 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:59:48,673 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:59:48,674 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:59:48,675 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 [] [2022-11-18 20:59:48,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:59:48,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:48,686 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:59:48,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:48,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:59:48,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:48,760 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:59:48,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:48,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:48,820 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:59:48,823 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) [2022-11-18 20:59:48,870 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 28 states and 35 transitions. Complement of second has 8 states. [2022-11-18 20:59:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:59:48,878 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) [2022-11-18 20:59:48,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-11-18 20:59:48,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-18 20:59:48,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:48,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-18 20:59:48,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:48,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-18 20:59:48,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:48,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2022-11-18 20:59:48,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:59:48,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 12 transitions. [2022-11-18 20:59:48,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-18 20:59:48,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-18 20:59:48,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2022-11-18 20:59:48,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:59:48,889 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-18 20:59:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2022-11-18 20:59:48,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-18 20:59:48,912 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) [2022-11-18 20:59:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2022-11-18 20:59:48,913 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-18 20:59:48,914 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-18 20:59:48,914 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:59:48,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2022-11-18 20:59:48,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:59:48,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:59:48,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:59:48,915 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:59:48,915 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:59:48,915 INFO L748 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 84#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;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 86#L14 assume !(main_~y~0#1 >= 113383); 87#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 := 1 + 3 * main_~y~0#1; 80#L16-2 [2022-11-18 20:59:48,915 INFO L750 eck$LassoCheckResult]: Loop: 80#L16-2 assume !!(main_~y~0#1 > 1); 85#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); 80#L16-2 [2022-11-18 20:59:48,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:48,916 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2022-11-18 20:59:48,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:48,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933848847] [2022-11-18 20:59:48,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:48,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:48,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:48,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:48,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:48,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2022-11-18 20:59:48,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:48,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462487104] [2022-11-18 20:59:48,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:48,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:48,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:48,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:48,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:48,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2022-11-18 20:59:48,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:48,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716144316] [2022-11-18 20:59:48,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:48,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:48,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:48,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:48,999 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:48,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:48,999 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:48,999 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:48,999 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:59:48,999 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:48,999 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:49,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:49,000 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-11-18 20:59:49,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:49,000 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:49,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:49,070 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:49,071 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:59:49,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:49,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:49,072 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:49,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:59:49,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:59:49,089 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:49,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:49,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:49,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:49,135 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:49,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:59:49,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:49,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:59:49,195 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:59:49,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:49,205 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:49,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:49,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:49,205 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:49,205 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:59:49,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:49,206 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:49,206 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:49,206 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-11-18 20:59:49,206 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:49,206 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:49,207 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:49,312 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:49,312 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:59:49,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:49,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:49,319 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:49,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:49,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:59:49,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:49,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:49,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:49,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:49,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:59:49,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:59:49,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:49,371 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:59:49,374 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-18 20:59:49,374 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:59:49,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:49,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:49,391 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:49,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:59:49,432 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:59:49,432 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:59:49,432 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:59:49,432 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 [] [2022-11-18 20:59:49,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-18 20:59:49,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:49,449 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:59:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:49,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:59:49,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:49,494 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:59:49,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:49,511 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:59:49,511 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) [2022-11-18 20:59:49,528 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. [2022-11-18 20:59:49,529 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 [2022-11-18 20:59:49,530 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) [2022-11-18 20:59:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-18 20:59:49,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-18 20:59:49,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:49,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 20:59:49,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:49,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-18 20:59:49,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:49,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2022-11-18 20:59:49,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:59:49,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2022-11-18 20:59:49,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-18 20:59:49,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-18 20:59:49,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-18 20:59:49,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:59:49,533 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-18 20:59:49,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-18 20:59:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-18 20:59:49,534 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) [2022-11-18 20:59:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-18 20:59:49,535 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-18 20:59:49,535 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-18 20:59:49,535 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:59:49,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-18 20:59:49,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:59:49,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:59:49,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:59:49,536 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2022-11-18 20:59:49,536 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:59:49,536 INFO L748 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 147#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;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 150#L14 assume !(main_~y~0#1 >= 113383); 151#L16-2 assume !!(main_~y~0#1 > 1); 142#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; 143#L16-2 assume !!(main_~y~0#1 > 1); 152#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; 148#L16-2 [2022-11-18 20:59:49,537 INFO L750 eck$LassoCheckResult]: Loop: 148#L16-2 assume !!(main_~y~0#1 > 1); 149#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); 148#L16-2 [2022-11-18 20:59:49,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:49,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2022-11-18 20:59:49,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:49,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350076119] [2022-11-18 20:59:49,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:49,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:49,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:59:49,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350076119] [2022-11-18 20:59:49,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350076119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:59:49,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:59:49,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:59:49,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493576979] [2022-11-18 20:59:49,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:59:49,824 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:59:49,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:49,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2022-11-18 20:59:49,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:49,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274452321] [2022-11-18 20:59:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:49,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:49,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:49,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:49,871 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:49,872 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:49,872 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:49,872 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:49,872 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:59:49,872 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:49,872 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:49,872 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:49,872 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-11-18 20:59:49,872 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:49,872 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:49,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:49,950 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:49,950 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:59:49,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:49,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:49,952 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:49,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:59:49,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:49,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:59:50,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:50,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:50,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:50,004 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:50,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:59:50,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:59:50,010 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:50,083 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:59:50,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:50,094 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:50,094 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:50,094 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:50,094 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:50,094 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:59:50,094 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:50,094 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:50,094 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:50,095 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-11-18 20:59:50,095 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:50,095 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:50,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:50,178 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:50,178 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:59:50,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:50,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:50,180 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:50,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:50,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:50,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:50,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:50,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:50,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:59:50,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:59:50,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:50,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:59:50,205 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:59:50,209 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:59:50,209 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-18 20:59:50,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:50,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:50,211 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:50,214 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:59:50,215 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:59:50,215 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:59:50,215 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 [] [2022-11-18 20:59:50,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:59:50,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-18 20:59:50,228 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:59:50,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:50,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:59:50,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:50,276 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:59:50,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:50,295 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:59:50,296 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) [2022-11-18 20:59:50,312 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. [2022-11-18 20:59:50,313 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 [2022-11-18 20:59:50,314 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) [2022-11-18 20:59:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-18 20:59:50,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 20:59:50,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:50,315 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:59:50,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:50,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:59:50,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:50,360 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:59:50,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:50,379 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 [2022-11-18 20:59:50,379 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) [2022-11-18 20:59:50,397 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. [2022-11-18 20:59:50,397 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 [2022-11-18 20:59:50,398 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) [2022-11-18 20:59:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-18 20:59:50,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 20:59:50,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:50,399 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:59:50,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:50,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:59:50,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:59:50,448 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:59:50,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:59:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:59:50,466 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 [2022-11-18 20:59:50,467 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) [2022-11-18 20:59:50,483 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. [2022-11-18 20:59:50,484 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 [2022-11-18 20:59:50,487 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) [2022-11-18 20:59:50,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2022-11-18 20:59:50,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 20:59:50,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:50,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-18 20:59:50,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:50,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-18 20:59:50,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:59:50,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2022-11-18 20:59:50,492 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:59:50,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2022-11-18 20:59:50,494 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-18 20:59:50,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-18 20:59:50,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2022-11-18 20:59:50,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:59:50,495 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-18 20:59:50,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2022-11-18 20:59:50,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2022-11-18 20:59:50,497 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) [2022-11-18 20:59:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-11-18 20:59:50,498 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-18 20:59:50,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:59:50,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:59:50,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:59:50,508 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) [2022-11-18 20:59:50,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:59:50,539 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2022-11-18 20:59:50,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2022-11-18 20:59:50,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-18 20:59:50,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2022-11-18 20:59:50,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-18 20:59:50,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-18 20:59:50,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-11-18 20:59:50,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:59:50,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-11-18 20:59:50,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-11-18 20:59:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-11-18 20:59:50,543 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) [2022-11-18 20:59:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-11-18 20:59:50,545 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-18 20:59:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:59:50,548 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-18 20:59:50,548 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:59:50,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-11-18 20:59:50,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:59:50,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:59:50,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:59:50,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:59:50,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2022-11-18 20:59:50,550 INFO L748 eck$LassoCheckResult]: Stem: 333#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 335#L14 assume !(main_~y~0#1 >= 113383); 336#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-18 20:59:50,551 INFO L750 eck$LassoCheckResult]: Loop: 329#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; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#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); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-18 20:59:50,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-11-18 20:59:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:50,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717696994] [2022-11-18 20:59:50,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:50,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:50,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:50,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:50,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:50,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2022-11-18 20:59:50,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:50,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004300571] [2022-11-18 20:59:50,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:50,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:50,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:50,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:50,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:50,576 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2022-11-18 20:59:50,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:50,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502398117] [2022-11-18 20:59:50,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:50,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:50,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:50,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:50,662 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:50,662 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:50,662 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:50,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:50,663 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:59:50,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:50,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:50,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:50,663 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-18 20:59:50,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:50,663 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:50,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:50,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:50,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:50,819 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:50,819 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:59:50,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:50,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:50,824 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:50,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:59:50,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:50,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:59:50,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:50,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:50,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:50,885 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:50,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:59:50,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:50,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:59:51,024 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-18 20:59:51,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,035 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:51,035 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:51,036 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:51,036 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:51,036 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:59:51,036 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,036 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:51,036 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:51,036 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-18 20:59:51,036 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:51,036 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:51,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:51,142 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:51,142 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:59:51,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,144 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:51,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:59:51,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:51,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:51,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:51,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:51,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:59:51,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:59:51,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:51,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:51,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,212 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-18 20:59:51,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,214 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:51,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:59:51,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:51,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:51,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:51,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:51,233 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:51,236 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 20:59:51,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:51,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:51,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,256 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-18 20:59:51,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,257 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:51,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:59:51,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:51,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:51,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:51,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:51,281 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:51,290 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:51,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:51,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:51,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,316 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-18 20:59:51,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,317 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:51,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:51,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:51,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:51,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:51,339 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:51,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:59:51,346 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 20:59:51,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:51,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:51,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,372 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-18 20:59:51,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,373 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:59:51,387 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 [2022-11-18 20:59:51,400 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:51,400 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:51,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:51,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:51,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:51,401 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:51,404 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 20:59:51,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:51,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:51,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,426 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-18 20:59:51,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,427 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:51,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:51,449 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-18 20:59:51,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:51,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:51,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:51,449 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:51,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:59:51,455 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:51,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:51,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:51,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,492 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-18 20:59:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,494 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:51,510 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:51,511 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:51,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:51,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:51,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:51,511 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:51,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:59:51,519 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 20:59:51,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:51,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:51,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,562 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-18 20:59:51,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,563 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:51,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:59:51,581 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:51,581 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:51,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:51,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:51,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:51,581 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:51,585 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:51,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:51,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:51,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,625 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-18 20:59:51,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,627 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:51,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:59:51,646 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:51,646 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:51,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:51,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:51,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:51,647 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-18 20:59:51,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:59:51,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:51,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:51,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,696 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:51,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:51,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:51,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:51,697 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:59:51,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:51,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:51,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-18 20:59:51,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:51,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:51,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:51,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:51,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:51,838 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:51,838 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:59:51,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,856 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:59:51,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:59:51,908 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:51,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:59:51,942 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 20:59:51,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:51,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:51,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,954 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:59:51,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:51,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:59:52,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:52,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:52,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:52,008 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:52,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:59:52,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:52,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:59:56,240 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:59:56,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-18 20:59:56,245 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:56,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:56,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:56,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:56,245 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:59:56,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:56,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:56,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-18 20:59:56,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:56,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:56,247 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:56,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:56,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:56,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:56,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:59:56,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,424 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:56,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:59:56,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:59:56,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:56,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:59:56,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:56,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,468 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:56,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:59:56,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:59:56,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:56,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:59:56,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-18 20:59:56,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,494 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:59:56,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:59:56,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:59:56,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:59:56,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-18 20:59:56,534 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-18 20:59:56,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,535 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:59:56,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:56,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,558 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:56,560 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 20:59:56,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:56,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:56,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,583 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:56,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,600 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:56,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:59:56,601 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 20:59:56,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:56,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:56,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,629 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,646 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:56,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:59:56,653 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-18 20:59:56,653 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-18 20:59:56,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:56,679 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-18 20:59:56,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,680 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:56,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,700 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:56,701 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:56,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:56,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:59:56,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:56,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,729 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:59:56,732 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 [2022-11-18 20:59:56,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:56,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,746 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:56,748 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:56,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:56,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:56,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,755 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:59:56,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,779 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:56,798 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-18 20:59:56,798 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:59:56,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:56,832 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-18 20:59:56,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,834 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:59:56,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:56,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,853 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:56,854 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 20:59:56,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:56,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:56,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,881 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:59:56,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:56,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,905 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:56,907 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 20:59:56,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:56,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:56,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:56,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:56,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:56,928 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:56,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:56,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:59:56,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:56,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:56,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:56,953 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:56,979 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-18 20:59:56,980 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-18 20:59:57,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,045 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-18 20:59:57,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,047 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:59:57,071 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,071 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:57,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,072 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:57,073 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 20:59:57,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,097 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 20:59:57,117 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,117 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:57,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,117 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:57,119 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 20:59:57,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,135 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 20:59:57,154 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,154 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:57,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,155 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:57,164 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-18 20:59:57,164 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-18 20:59:57,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,195 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-18 20:59:57,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,197 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 20:59:57,220 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,220 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-18 20:59:57,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,220 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:57,222 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:57,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,244 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,249 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 [2022-11-18 20:59:57,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 20:59:57,263 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,264 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-18 20:59:57,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,264 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:57,266 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:57,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,296 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 20:59:57,320 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,320 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-18 20:59:57,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,321 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:57,333 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-18 20:59:57,333 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:59:57,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,388 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-18 20:59:57,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,389 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 20:59:57,409 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,409 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:57,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,410 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:57,413 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 20:59:57,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,436 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 20:59:57,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,456 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:57,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,457 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:57,459 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 20:59:57,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,493 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-18 20:59:57,513 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,513 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:57,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,513 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:57,527 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-18 20:59:57,528 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-18 20:59:57,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,631 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-18 20:59:57,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,633 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-18 20:59:57,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,651 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:57,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,652 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:57,653 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:57,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,673 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-18 20:59:57,693 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,693 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:57,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,693 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:57,695 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:57,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,716 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 20:59:57,734 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,734 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:57,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,735 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:57,743 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-18 20:59:57,743 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:59:57,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,782 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-18 20:59:57,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,784 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-18 20:59:57,802 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,802 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:57,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,802 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-18 20:59:57,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:59:57,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,824 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-18 20:59:57,841 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,841 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:57,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:57,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,842 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-18 20:59:57,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:59:57,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:57,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:57,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:57,869 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:57,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:57,885 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:57,885 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:57,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:57,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:57,886 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-18 20:59:57,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-18 20:59:57,903 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-11-18 20:59:57,903 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-18 20:59:57,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:57,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:57,947 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-11-18 20:59:57,947 INFO L748 eck$LassoCheckResult]: Stem: 333#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 335#L14 assume !(main_~y~0#1 >= 113383); 336#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-18 20:59:57,947 INFO L750 eck$LassoCheckResult]: Loop: 329#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; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#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); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-18 20:59:57,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:57,948 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2022-11-18 20:59:57,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:57,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52812157] [2022-11-18 20:59:57,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:57,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:57,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:57,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:57,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2022-11-18 20:59:57,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:57,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740544123] [2022-11-18 20:59:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:57,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:57,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:58,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:59:58,000 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2022-11-18 20:59:58,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:59:58,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009405493] [2022-11-18 20:59:58,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:59:58,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:59:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:58,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:59:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:59:58,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:59:58,119 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:58,119 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:58,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:58,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:58,120 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:59:58,120 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,120 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:58,120 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:58,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-18 20:59:58,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:58,121 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:58,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:58,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:58,216 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:59:58,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,217 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:59:58,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:58,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-18 20:59:58,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:58,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,273 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,280 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:59:58,280 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:58,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-18 20:59:58,348 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-18 20:59:58,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-18 20:59:58,351 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:58,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:58,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:58,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:58,352 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:59:58,352 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:58,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:58,352 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-18 20:59:58,352 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:58,352 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:58,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:58,513 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:58,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:59:58,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,514 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:58,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-18 20:59:58,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:58,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:58,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:58,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:58,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:59:58,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:59:58,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:58,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:58,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:58,572 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-18 20:59:58,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,573 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-18 20:59:58,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:58,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:58,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:58,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:58,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:58,589 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:58,591 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 20:59:58,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:58,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:58,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-18 20:59:58,621 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-18 20:59:58,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,622 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-18 20:59:58,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:58,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:58,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:58,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:58,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:58,635 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:58,638 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:58,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:58,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:58,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:58,653 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-18 20:59:58,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,654 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:58,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-18 20:59:58,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:59:58,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:58,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:58,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:58,671 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:58,674 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 20:59:58,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:58,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:58,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-18 20:59:58,683 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-18 20:59:58,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,684 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-18 20:59:58,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:58,699 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:58,699 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:58,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:58,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:58,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:58,699 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 20:59:58,702 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 20:59:58,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:58,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:58,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:58,722 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-18 20:59:58,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,724 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:58,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-18 20:59:58,739 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:58,739 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-18 20:59:58,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:58,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:58,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:58,739 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:58,743 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:58,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:58,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:58,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-18 20:59:58,766 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-18 20:59:58,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,767 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-18 20:59:58,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:58,783 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:58,783 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:58,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:58,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:58,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:58,784 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 20:59:58,788 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 20:59:58,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:58,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:58,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:58,823 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-18 20:59:58,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,825 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:58,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-18 20:59:58,842 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:58,843 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 20:59:58,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:58,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:58,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:58,843 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 20:59:58,846 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 20:59:58,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:58,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:58,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-18 20:59:58,874 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-18 20:59:58,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:58,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:58,875 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:58,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-18 20:59:58,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:59:58,888 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 20:59:58,888 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 20:59:58,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:59:58,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:59:58,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:59:58,889 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-18 20:59:58,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:59:58,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:59:58,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:59:58,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:58,999 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:58,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:59,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:59,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:59,000 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:59:59,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:59,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:59,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:59,000 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-18 20:59:59,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:59,001 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:59,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:59,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:59,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:59,187 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:59:59,187 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:59:59,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:59,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:59,188 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:59,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:59:59,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:59,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-18 20:59:59,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-18 20:59:59,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:59,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:59,246 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:59,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-18 20:59:59,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:59:59,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:59:59,955 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-18 20:59:59,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-18 20:59:59,960 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:59:59,960 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:59:59,960 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:59:59,960 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:59:59,960 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:59:59,960 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:59:59,960 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:59:59,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:59:59,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-18 20:59:59,961 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:59:59,961 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:59:59,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:59,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:59:59,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:00,187 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:00:00,187 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 21:00:00,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,192 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:00,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:00,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-18 21:00:00,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,223 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-18 21:00:00,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:00,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:00,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:00,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,265 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-18 21:00:00,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:00,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:00,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,307 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-18 21:00:00,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,308 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-18 21:00:00,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,330 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 21:00:00,331 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 21:00:00,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,345 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-18 21:00:00,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,364 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 21:00:00,376 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-18 21:00:00,376 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-18 21:00:00,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,401 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,418 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 21:00:00,419 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 21:00:00,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-18 21:00:00,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,435 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-18 21:00:00,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,436 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,454 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 21:00:00,455 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 21:00:00,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-18 21:00:00,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,473 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-18 21:00:00,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,495 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 21:00:00,514 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-18 21:00:00,515 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 21:00:00,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,553 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-18 21:00:00,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,571 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 21:00:00,571 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 21:00:00,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,603 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-18 21:00:00,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,604 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,621 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 21:00:00,621 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 21:00:00,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-18 21:00:00,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,636 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-18 21:00:00,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,653 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 21:00:00,666 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-18 21:00:00,666 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-18 21:00:00,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,709 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-18 21:00:00,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:00,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,725 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 21:00:00,726 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 21:00:00,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,731 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-18 21:00:00,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,732 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-18 21:00:00,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,745 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:00,745 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 21:00:00,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,745 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 21:00:00,746 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 21:00:00,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,761 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-18 21:00:00,779 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:00,779 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 21:00:00,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,779 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 21:00:00,786 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-18 21:00:00,787 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-18 21:00:00,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,829 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:00,849 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 21:00:00,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,850 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-18 21:00:00,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-18 21:00:00,850 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-18 21:00:00,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,879 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-18 21:00:00,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,880 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-18 21:00:00,902 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:00,902 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-18 21:00:00,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:00,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,902 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 21:00:00,904 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 21:00:00,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:00,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:00,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:00,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:00,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:00,924 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:00,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:00,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-18 21:00:00,943 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:00,943 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-18 21:00:00,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:00,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:00,943 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 21:00:00,954 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-18 21:00:00,954 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 21:00:01,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:01,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,005 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-18 21:00:01,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:01,018 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,018 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-18 21:00:01,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:01,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,018 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 21:00:01,019 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 21:00:01,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:01,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:01,025 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-18 21:00:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,026 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-18 21:00:01,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:01,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,041 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 21:00:01,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:01,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,042 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 21:00:01,043 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 21:00:01,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:01,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:01,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,065 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-18 21:00:01,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:01,077 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,077 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 21:00:01,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,078 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 21:00:01,090 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-18 21:00:01,090 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-18 21:00:01,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-11-18 21:00:01,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,181 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-18 21:00:01,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:01,194 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,194 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 21:00:01,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:01,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,195 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-18 21:00:01,196 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-18 21:00:01,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:01,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:01,204 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-18 21:00:01,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,215 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-18 21:00:01,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:01,229 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,229 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 21:00:01,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:01,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,230 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 21:00:01,235 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 21:00:01,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:01,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:01,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,256 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-18 21:00:01,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:01,270 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,270 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 21:00:01,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,270 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 21:00:01,279 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-18 21:00:01,279 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 21:00:01,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:01,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,311 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-18 21:00:01,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:01,325 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,326 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-18 21:00:01,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:01,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,326 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-18 21:00:01,327 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 21:00:01,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:01,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2022-11-18 21:00:01,333 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-18 21:00:01,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,334 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-18 21:00:01,336 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 [2022-11-18 21:00:01,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,348 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 21:00:01,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:01,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,349 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-18 21:00:01,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:01,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:01,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:01,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,364 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-18 21:00:01,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:01,381 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,381 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 21:00:01,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,382 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-18 21:00:01,398 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-11-18 21:00:01,398 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-18 21:00:01,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:01,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:01,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:01,464 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:01,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-18 21:00:01,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:01,485 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-18 21:00:01,485 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-18 21:00:01,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:01,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:01,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:01,485 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-18 21:00:01,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:01,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:01,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:01,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:01,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:00:01 BoogieIcfgContainer [2022-11-18 21:00:01,502 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 21:00:01,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:00:01,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:00:01,503 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:00:01,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:47" (3/4) ... [2022-11-18 21:00:01,506 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:00:01,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:00:01,507 INFO L158 Benchmark]: Toolchain (without parser) took 14525.32ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 105.8MB in the beginning and 116.2MB in the end (delta: -10.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-11-18 21:00:01,507 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:00:01,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.89ms. Allocated memory is still 136.3MB. Free memory was 105.2MB in the beginning and 114.7MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:00:01,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.55ms. Allocated memory is still 136.3MB. Free memory was 114.7MB in the beginning and 113.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:00:01,508 INFO L158 Benchmark]: Boogie Preprocessor took 26.34ms. Allocated memory is still 136.3MB. Free memory was 113.5MB in the beginning and 112.6MB in the end (delta: 914.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:00:01,509 INFO L158 Benchmark]: RCFGBuilder took 302.57ms. Allocated memory is still 136.3MB. Free memory was 112.6MB in the beginning and 104.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:00:01,509 INFO L158 Benchmark]: BuchiAutomizer took 13870.94ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 103.6MB in the beginning and 117.3MB in the end (delta: -13.6MB). Peak memory consumption was 90.3MB. Max. memory is 16.1GB. [2022-11-18 21:00:01,509 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 116.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:00:01,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.89ms. Allocated memory is still 136.3MB. Free memory was 105.2MB in the beginning and 114.7MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.55ms. Allocated memory is still 136.3MB. Free memory was 114.7MB in the beginning and 113.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.34ms. Allocated memory is still 136.3MB. Free memory was 113.5MB in the beginning and 112.6MB in the end (delta: 914.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.57ms. Allocated memory is still 136.3MB. Free memory was 112.6MB in the beginning and 104.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 13870.94ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 103.6MB in the beginning and 117.3MB in the end (delta: -13.6MB). Peak memory consumption was 90.3MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 116.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 13.7s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 13.1s. 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, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 39 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div527 bol100 ite100 ukn100 eq125 hnf96 smp32 dnf100 smp100 tf104 neg99 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 95ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 1.2s 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;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 [2022-11-18 21:00:01,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170b4271-12b4-4ff5-9c63-e44443a4da2e/bin/uautomizer-TMbwUNV5ro/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