./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 e04fb08f 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_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 10:55:39,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:55:39,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:55:39,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:55:39,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:55:39,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:55:39,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:55:39,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:55:39,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:55:39,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:55:39,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:55:39,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:55:39,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:55:39,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:55:39,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:55:39,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:55:39,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:55:39,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:55:39,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:55:39,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:55:39,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:55:39,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:55:39,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:55:39,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:55:39,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:55:39,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:55:39,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:55:39,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:55:39,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:55:39,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:55:39,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:55:39,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:55:39,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:55:39,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:55:39,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:55:39,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:55:39,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:55:39,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:55:39,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:55:39,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:55:39,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:55:39,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 10:55:39,743 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:55:39,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:55:39,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:55:39,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:55:39,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:55:39,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:55:39,746 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:55:39,746 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 10:55:39,747 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 10:55:39,747 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 10:55:39,748 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 10:55:39,748 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 10:55:39,749 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 10:55:39,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:55:39,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 10:55:39,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:55:39,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:55:39,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 10:55:39,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 10:55:39,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 10:55:39,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:55:39,751 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 10:55:39,751 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:55:39,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 10:55:39,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:55:39,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:55:39,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:55:39,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:55:39,755 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 10:55:39,756 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_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2022-11-16 10:55:40,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:55:40,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:55:40,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:55:40,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:55:40,150 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:55:40,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-11-16 10:55:40,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/data/fc8850923/f7c2eadf80e745bb8779843ecf5640e5/FLAG5580c4d82 [2022-11-16 10:55:40,711 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:55:40,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-11-16 10:55:40,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/data/fc8850923/f7c2eadf80e745bb8779843ecf5640e5/FLAG5580c4d82 [2022-11-16 10:55:41,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/data/fc8850923/f7c2eadf80e745bb8779843ecf5640e5 [2022-11-16 10:55:41,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:55:41,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:55:41,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:55:41,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:55:41,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:55:41,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49afc7ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41, skipping insertion in model container [2022-11-16 10:55:41,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:55:41,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:55:41,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:55:41,452 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:55:41,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:55:41,485 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:55:41,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41 WrapperNode [2022-11-16 10:55:41,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:55:41,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:55:41,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:55:41,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:55:41,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,526 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-16 10:55:41,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:55:41,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:55:41,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:55:41,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:55:41,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:55:41,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:55:41,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:55:41,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:55:41,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (1/1) ... [2022-11-16 10:55:41,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:41,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:41,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:41,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 10:55:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:55:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:55:41,695 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:55:41,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:55:41,831 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:55:41,839 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:55:41,840 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 10:55:41,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:41 BoogieIcfgContainer [2022-11-16 10:55:41,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:55:41,846 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 10:55:41,846 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 10:55:41,851 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 10:55:41,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:55:41,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 10:55:41" (1/3) ... [2022-11-16 10:55:41,855 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4987dab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:55:41, skipping insertion in model container [2022-11-16 10:55:41,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:55:41,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:55:41" (2/3) ... [2022-11-16 10:55:41,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4987dab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:55:41, skipping insertion in model container [2022-11-16 10:55:41,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:55:41,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:41" (3/3) ... [2022-11-16 10:55:41,858 INFO L332 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2022-11-16 10:55:41,940 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 10:55:41,940 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 10:55:41,941 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 10:55:41,941 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 10:55:41,941 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 10:55:41,941 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 10:55:41,941 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 10:55:41,942 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 10:55:41,946 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) [2022-11-16 10:55:41,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 10:55:41,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:55:41,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:55:41,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 10:55:41,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:55:41,976 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 10:55:41,977 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) [2022-11-16 10:55:41,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 10:55:41,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:55:41,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:55:41,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 10:55:41,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:55:41,989 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 [2022-11-16 10:55:41,990 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 [2022-11-16 10:55:41,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:41,996 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-16 10:55:42,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:42,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274364855] [2022-11-16 10:55:42,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:42,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:42,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:42,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:42,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:42,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2022-11-16 10:55:42,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:42,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892228002] [2022-11-16 10:55:42,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:42,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:42,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:42,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:42,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:42,147 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2022-11-16 10:55:42,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:42,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764955355] [2022-11-16 10:55:42,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:42,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:42,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:42,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:42,297 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:42,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:42,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:42,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:42,299 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 10:55:42,314 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:42,314 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:42,314 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:42,314 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-11-16 10:55:42,315 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:42,315 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:42,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:42,494 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:42,495 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 10:55:42,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:42,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:42,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:42,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 10:55:42,505 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:42,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 10:55:42,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:42,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:42,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:42,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:42,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 10:55:42,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:42,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 10:55:42,647 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 10:55:42,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:42,657 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:42,658 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:42,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:42,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:42,658 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:55:42,658 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:42,658 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:42,658 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:42,659 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-11-16 10:55:42,659 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:42,659 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:42,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:42,804 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:42,809 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:55:42,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:42,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:42,813 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:42,822 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 [2022-11-16 10:55:42,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 10:55:42,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:42,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:42,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:42,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:42,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:42,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:42,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:42,854 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:55:42,861 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 10:55:42,862 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-16 10:55:42,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:42,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:42,868 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:42,895 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:55:42,895 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 10:55:42,896 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:55:42,896 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 [] [2022-11-16 10:55:42,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 10:55:42,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:42,909 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 10:55:42,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:42,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:55:42,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:42,977 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 10:55:42,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:43,044 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 [2022-11-16 10:55:43,046 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) [2022-11-16 10:55:43,098 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. [2022-11-16 10:55:43,100 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 [2022-11-16 10:55:43,104 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) [2022-11-16 10:55:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-11-16 10:55:43,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-16 10:55:43,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:43,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 10:55:43,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:43,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-16 10:55:43,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:43,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2022-11-16 10:55:43,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 10:55:43,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 12 transitions. [2022-11-16 10:55:43,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-16 10:55:43,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-16 10:55:43,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2022-11-16 10:55:43,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 10:55:43,117 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-16 10:55:43,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2022-11-16 10:55:43,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-16 10:55:43,141 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) [2022-11-16 10:55:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2022-11-16 10:55:43,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-16 10:55:43,143 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-16 10:55:43,143 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 10:55:43,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2022-11-16 10:55:43,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 10:55:43,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:55:43,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:55:43,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 10:55:43,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:55:43,145 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 [2022-11-16 10:55:43,145 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 [2022-11-16 10:55:43,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:43,146 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2022-11-16 10:55:43,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:43,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766053781] [2022-11-16 10:55:43,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:43,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:43,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:43,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:43,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:43,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2022-11-16 10:55:43,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:43,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175331024] [2022-11-16 10:55:43,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:43,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:43,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:43,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:43,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:43,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2022-11-16 10:55:43,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:43,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108765044] [2022-11-16 10:55:43,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:43,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:43,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:43,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-16 10:55:43,302 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:43,302 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:43,303 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:43,303 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:43,303 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 10:55:43,303 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:43,303 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:43,304 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:43,304 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-11-16 10:55:43,304 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:43,304 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:43,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:43,379 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:43,379 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 10:55:43,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:43,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:43,381 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:43,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 10:55:43,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 10:55:43,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:43,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:43,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:43,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:43,478 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:43,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 10:55:43,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:43,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 10:55:43,558 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 10:55:43,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:43,568 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:43,568 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:43,568 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:43,568 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:43,568 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:55:43,568 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:43,568 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:43,569 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:43,569 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-11-16 10:55:43,569 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:43,569 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:43,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:43,702 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:43,703 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:55:43,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:43,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:43,707 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:43,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 10:55:43,710 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 [2022-11-16 10:55:43,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:43,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:43,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:43,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:43,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:43,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:43,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:43,754 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:55:43,759 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-16 10:55:43,759 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 10:55:43,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:43,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:43,761 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:43,771 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:55:43,772 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 10:55:43,772 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:55:43,772 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 [] [2022-11-16 10:55:43,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 10:55:43,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:43,783 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 10:55:43,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:43,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:55:43,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:43,843 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 10:55:43,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:43,863 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 [2022-11-16 10:55:43,863 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) [2022-11-16 10:55:43,879 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. [2022-11-16 10:55:43,880 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 [2022-11-16 10:55:43,881 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) [2022-11-16 10:55:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-16 10:55:43,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 10:55:43,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:43,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 10:55:43,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:43,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-16 10:55:43,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:43,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2022-11-16 10:55:43,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 10:55:43,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2022-11-16 10:55:43,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-16 10:55:43,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-16 10:55:43,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-16 10:55:43,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 10:55:43,885 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 10:55:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-16 10:55:43,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-16 10:55:43,887 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) [2022-11-16 10:55:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-16 10:55:43,887 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 10:55:43,887 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 10:55:43,888 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 10:55:43,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-16 10:55:43,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 10:55:43,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:55:43,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:55:43,889 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2022-11-16 10:55:43,889 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:55:43,889 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 [2022-11-16 10:55:43,890 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 [2022-11-16 10:55:43,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:43,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2022-11-16 10:55:43,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:43,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662102771] [2022-11-16 10:55:43,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:43,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:44,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:44,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662102771] [2022-11-16 10:55:44,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662102771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:44,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:44,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:55:44,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150704868] [2022-11-16 10:55:44,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:44,322 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 10:55:44,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:44,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2022-11-16 10:55:44,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:44,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739019583] [2022-11-16 10:55:44,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:44,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:44,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:44,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:44,393 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:44,394 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:44,394 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:44,394 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:44,394 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 10:55:44,394 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:44,395 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:44,395 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:44,395 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-11-16 10:55:44,395 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:44,395 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:44,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:44,485 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:44,485 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 10:55:44,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:44,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:44,490 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:44,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 10:55:44,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:44,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 10:55:44,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:44,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:44,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:44,549 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:44,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 10:55:44,560 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:44,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 10:55:44,638 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 10:55:44,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:44,648 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:44,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:44,649 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:44,649 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:44,649 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:55:44,649 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:44,649 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:44,649 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:44,649 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-11-16 10:55:44,650 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:44,650 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:44,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:44,747 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:44,748 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:55:44,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:44,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:44,750 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:44,760 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 [2022-11-16 10:55:44,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 10:55:44,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:44,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:44,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:44,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:44,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:44,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:44,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:44,794 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:55:44,798 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 10:55:44,798 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-16 10:55:44,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:44,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:44,806 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:44,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 10:55:44,809 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:55:44,809 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 10:55:44,809 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:55:44,809 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 [] [2022-11-16 10:55:44,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:44,815 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 10:55:44,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:44,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:55:44,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:44,861 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 10:55:44,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:44,889 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 [2022-11-16 10:55:44,889 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) [2022-11-16 10:55:44,913 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. [2022-11-16 10:55:44,914 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 [2022-11-16 10:55:44,916 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) [2022-11-16 10:55:44,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-16 10:55:44,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 10:55:44,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:44,917 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 10:55:44,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:44,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:55:44,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:44,959 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 10:55:44,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:44,981 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 [2022-11-16 10:55:44,982 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) [2022-11-16 10:55:45,002 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. [2022-11-16 10:55:45,003 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 [2022-11-16 10:55:45,003 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) [2022-11-16 10:55:45,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-16 10:55:45,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 10:55:45,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:45,005 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 10:55:45,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:45,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:55:45,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:45,051 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 10:55:45,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:55:45,071 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 [2022-11-16 10:55:45,071 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) [2022-11-16 10:55:45,086 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. [2022-11-16 10:55:45,087 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 [2022-11-16 10:55:45,090 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) [2022-11-16 10:55:45,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2022-11-16 10:55:45,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 10:55:45,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:45,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-16 10:55:45,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:45,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-16 10:55:45,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:55:45,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2022-11-16 10:55:45,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 10:55:45,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2022-11-16 10:55:45,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-16 10:55:45,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-16 10:55:45,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2022-11-16 10:55:45,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 10:55:45,099 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-16 10:55:45,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2022-11-16 10:55:45,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2022-11-16 10:55:45,101 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) [2022-11-16 10:55:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-11-16 10:55:45,102 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-16 10:55:45,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:45,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:55:45,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:55:45,112 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) [2022-11-16 10:55:45,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:45,142 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2022-11-16 10:55:45,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2022-11-16 10:55:45,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-16 10:55:45,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2022-11-16 10:55:45,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-16 10:55:45,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-16 10:55:45,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-11-16 10:55:45,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 10:55:45,144 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-11-16 10:55:45,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-11-16 10:55:45,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-11-16 10:55:45,146 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) [2022-11-16 10:55:45,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-11-16 10:55:45,147 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-16 10:55:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 10:55:45,150 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-16 10:55:45,150 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 10:55:45,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-11-16 10:55:45,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 10:55:45,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:55:45,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:55:45,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 10:55:45,152 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2022-11-16 10:55:45,152 INFO L748 eck$LassoCheckResult]: Stem: 333#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 335#L14 assume !(main_~y~0#1 >= 113383); 336#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-16 10:55:45,152 INFO L750 eck$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 [2022-11-16 10:55:45,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:45,153 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-11-16 10:55:45,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:45,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171182340] [2022-11-16 10:55:45,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:45,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:45,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:45,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:45,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:45,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2022-11-16 10:55:45,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:45,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634157100] [2022-11-16 10:55:45,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:45,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:45,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:45,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:45,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:45,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2022-11-16 10:55:45,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:45,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245539515] [2022-11-16 10:55:45,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:45,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:45,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:45,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:45,361 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:45,361 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:45,361 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:45,361 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:45,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 10:55:45,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:45,362 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:45,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:45,362 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-16 10:55:45,362 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:45,362 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:45,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:45,499 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:45,499 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 10:55:45,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:45,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:45,501 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:45,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 10:55:45,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:45,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 10:55:45,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:45,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:45,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:45,554 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:45,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 10:55:45,562 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 10:55:45,562 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:45,699 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-16 10:55:45,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:45,712 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:45,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:45,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:45,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:45,713 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:55:45,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:45,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:45,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:45,713 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-16 10:55:45,713 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:45,713 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:45,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:45,852 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:45,852 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:55:45,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:45,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:45,854 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:45,865 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 [2022-11-16 10:55:45,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 10:55:45,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:45,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:45,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:45,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:45,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:45,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:45,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:45,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:45,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:45,898 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-16 10:55:45,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:45,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:45,900 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:45,913 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 [2022-11-16 10:55:45,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:45,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:45,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:45,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:45,926 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:45,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 10:55:45,930 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:45,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:45,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:45,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:45,944 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-16 10:55:45,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:45,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:45,946 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:45,955 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 [2022-11-16 10:55:45,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 10:55:45,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:45,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:45,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:45,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:45,967 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:45,971 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:45,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:45,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:46,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:46,006 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-16 10:55:46,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,008 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,019 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 [2022-11-16 10:55:46,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:46,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:46,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:46,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:46,032 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:46,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 10:55:46,037 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:46,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:46,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:46,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:46,062 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-16 10:55:46,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,064 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 10:55:46,069 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 [2022-11-16 10:55:46,083 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:46,083 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:46,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:46,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:46,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:46,084 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:46,095 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:46,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:46,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:46,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:46,117 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-16 10:55:46,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,119 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 10:55:46,127 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 [2022-11-16 10:55:46,140 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:46,140 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 10:55:46,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:46,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:46,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:46,141 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:46,146 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:46,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:46,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:46,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:46,167 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-16 10:55:46,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,168 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,175 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 [2022-11-16 10:55:46,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:46,188 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:46,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:46,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:46,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:46,189 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:46,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 10:55:46,195 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:46,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:46,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:46,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:46,236 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-16 10:55:46,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,238 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,247 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 [2022-11-16 10:55:46,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:46,260 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:46,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:46,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:46,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:46,261 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:46,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 10:55:46,266 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:46,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:46,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:46,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:46,287 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-16 10:55:46,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,288 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,292 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 [2022-11-16 10:55:46,305 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:46,305 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:46,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:46,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:46,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:46,305 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 10:55:46,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 10:55:46,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:46,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:46,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:46,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:46,362 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:46,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:46,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:46,362 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:46,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 10:55:46,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,362 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:46,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:46,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-16 10:55:46,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:46,363 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:46,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:46,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:46,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:46,509 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:46,509 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 10:55:46,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,514 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 10:55:46,518 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 10:55:46,518 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:46,543 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 10:55:46,543 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 10:55:46,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:46,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,555 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,559 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 10:55:46,559 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:46,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 10:55:46,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:46,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:46,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:46,604 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:46,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 10:55:46,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 10:55:46,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:51,089 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 10:55:51,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,095 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:51,095 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:51,095 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:51,095 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:51,095 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:55:51,095 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,095 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:51,095 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:51,096 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-16 10:55:51,096 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:51,096 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:51,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:51,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:51,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:51,256 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:51,257 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:55:51,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,258 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,263 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 [2022-11-16 10:55:51,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:51,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:51,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 10:55:51,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,291 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,299 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 [2022-11-16 10:55:51,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:51,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:51,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 10:55:51,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,333 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,337 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 [2022-11-16 10:55:51,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:51,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 10:55:51,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:51,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:51,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,383 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-16 10:55:51,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,384 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,388 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 [2022-11-16 10:55:51,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 10:55:51,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,404 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:51,405 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:51,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,439 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,443 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 [2022-11-16 10:55:51,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,455 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:51,456 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:51,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 10:55:51,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,474 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,479 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 [2022-11-16 10:55:51,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,491 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:51,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 10:55:51,499 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-16 10:55:51,499 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-16 10:55:51,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,522 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-16 10:55:51,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,523 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,527 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 [2022-11-16 10:55:51,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 10:55:51,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,542 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:51,542 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:51,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,581 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,585 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 [2022-11-16 10:55:51,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 10:55:51,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,599 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:51,600 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:51,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,631 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,635 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 [2022-11-16 10:55:51,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 10:55:51,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,649 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:51,659 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-16 10:55:51,659 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 10:55:51,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-16 10:55:51,684 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-16 10:55:51,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,686 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,690 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 [2022-11-16 10:55:51,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 10:55:51,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,702 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:51,703 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:51,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-16 10:55:51,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,719 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,726 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 [2022-11-16 10:55:51,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 10:55:51,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,741 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:51,742 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:51,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,770 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,774 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 [2022-11-16 10:55:51,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 10:55:51,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:51,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,789 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:51,802 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-16 10:55:51,802 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-16 10:55:51,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-16 10:55:51,843 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-16 10:55:51,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,845 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,855 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 [2022-11-16 10:55:51,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 10:55:51,871 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:51,872 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:51,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,872 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:51,874 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:51,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-16 10:55:51,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,886 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-16 10:55:51,891 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 [2022-11-16 10:55:51,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:51,904 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:51,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:51,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,905 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:51,910 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:51,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:51,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,919 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 10:55:51,922 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 [2022-11-16 10:55:51,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:51,935 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:51,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:51,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:51,935 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:51,960 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-16 10:55:51,960 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-16 10:55:51,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:51,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:51,988 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-16 10:55:51,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:51,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:51,990 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:51,998 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 [2022-11-16 10:55:52,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 10:55:52,014 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,014 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 10:55:52,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:52,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,015 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:52,016 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:52,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:52,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:52,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,043 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,048 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 [2022-11-16 10:55:52,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 10:55:52,064 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,064 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 10:55:52,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:52,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,064 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:52,066 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:52,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:52,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:52,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,099 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,106 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 [2022-11-16 10:55:52,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 10:55:52,120 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,120 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 10:55:52,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,120 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:52,130 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-16 10:55:52,130 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 10:55:52,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:52,176 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-16 10:55:52,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,177 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:52,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,196 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:52,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:52,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,196 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:52,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 10:55:52,198 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:52,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:52,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-16 10:55:52,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,216 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 10:55:52,222 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 [2022-11-16 10:55:52,234 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,234 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:52,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:52,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,234 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:52,239 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:52,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:52,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-16 10:55:52,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,274 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 10:55:52,277 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 [2022-11-16 10:55:52,292 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,292 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:52,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,292 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:52,312 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-16 10:55:52,312 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-16 10:55:52,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:52,412 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-16 10:55:52,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,413 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,418 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 [2022-11-16 10:55:52,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 10:55:52,433 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,433 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:52,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:52,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,433 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:52,434 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:52,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:52,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:52,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,457 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,461 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 [2022-11-16 10:55:52,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 10:55:52,476 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,477 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:52,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:52,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,477 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:52,478 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:52,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:52,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:52,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,494 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:52,514 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,515 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:52,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,515 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:52,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-16 10:55:52,525 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-16 10:55:52,525 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 10:55:52,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:52,559 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-16 10:55:52,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,562 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,571 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 [2022-11-16 10:55:52,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-16 10:55:52,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,586 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:52,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:52,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,587 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 10:55:52,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:52,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:52,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:52,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,615 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,620 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 [2022-11-16 10:55:52,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-16 10:55:52,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,636 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:52,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:52,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,637 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 10:55:52,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:52,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:52,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:52,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,664 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-16 10:55:52,667 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 [2022-11-16 10:55:52,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:52,680 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:52,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:52,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:52,680 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 10:55:52,693 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-11-16 10:55:52,693 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-16 10:55:52,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:52,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-16 10:55:52,738 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-11-16 10:55:52,739 INFO L748 eck$LassoCheckResult]: Stem: 333#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 335#L14 assume !(main_~y~0#1 >= 113383); 336#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-16 10:55:52,739 INFO L750 eck$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 [2022-11-16 10:55:52,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:52,739 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2022-11-16 10:55:52,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:52,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276935] [2022-11-16 10:55:52,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:52,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:52,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:52,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:52,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:52,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2022-11-16 10:55:52,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:52,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482209734] [2022-11-16 10:55:52,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:52,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:52,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:52,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:52,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:52,768 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2022-11-16 10:55:52,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:52,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057246482] [2022-11-16 10:55:52,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:52,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:52,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:55:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:55:52,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:55:52,884 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:52,884 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:52,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:52,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:52,885 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 10:55:52,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:52,885 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:52,885 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-16 10:55:52,886 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:52,886 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:52,887 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:52,975 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:52,975 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 10:55:52,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:52,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:52,979 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:52,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 10:55:52,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:52,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-16 10:55:53,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-16 10:55:53,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,009 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-16 10:55:53,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 10:55:53,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:53,067 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-16 10:55:53,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,071 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:53,071 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:53,071 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:53,071 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:53,071 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:55:53,071 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,072 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:53,072 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:53,072 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-16 10:55:53,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:53,072 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:53,072 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:53,174 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:53,174 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:55:53,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,176 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,183 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 [2022-11-16 10:55:53,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-16 10:55:53,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:53,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:53,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:53,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:53,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:53,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:53,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:53,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:53,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,218 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-16 10:55:53,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,219 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,223 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 [2022-11-16 10:55:53,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-16 10:55:53,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:53,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:53,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:53,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:53,239 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:53,241 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:53,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:53,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:53,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,261 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-16 10:55:53,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,263 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-16 10:55:53,266 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 [2022-11-16 10:55:53,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:53,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:53,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:53,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:53,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:53,282 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:53,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:53,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:53,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,300 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-16 10:55:53,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,301 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,310 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 [2022-11-16 10:55:53,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-16 10:55:53,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:53,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:53,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:53,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:53,326 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:53,331 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:53,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:53,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:53,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,353 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-16 10:55:53,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,355 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,359 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 [2022-11-16 10:55:53,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-16 10:55:53,375 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:53,375 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:53,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:53,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:53,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:53,376 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:53,379 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:53,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:53,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:53,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,403 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-16 10:55:53,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,404 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,410 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 [2022-11-16 10:55:53,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-16 10:55:53,425 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:53,425 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 10:55:53,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:53,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:53,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:53,425 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:53,429 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:53,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:53,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:53,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,455 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-16 10:55:53,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,457 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,461 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 [2022-11-16 10:55:53,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-16 10:55:53,475 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:53,475 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:53,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:53,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:53,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:53,475 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:53,481 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:53,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:53,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:53,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,511 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-16 10:55:53,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,513 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,516 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 [2022-11-16 10:55:53,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-16 10:55:53,530 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:53,530 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:53,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:53,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:53,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:53,531 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:53,534 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:53,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:53,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:53,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,561 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-16 10:55:53,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,563 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,567 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 [2022-11-16 10:55:53,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-16 10:55:53,581 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:53,581 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:53,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:53,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:53,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:53,581 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 10:55:53,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:53,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:53,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:53,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,697 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:53,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:53,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:53,698 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:53,698 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 10:55:53,698 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,698 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:53,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:53,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-16 10:55:53,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:53,699 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:53,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:53,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:53,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:53,910 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:53,910 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 10:55:53,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,914 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-16 10:55:53,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 10:55:53,926 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:53,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:53,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:53,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:53,974 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:53,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-16 10:55:53,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 10:55:53,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:55:54,799 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-16 10:55:54,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-16 10:55:54,804 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:55:54,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:55:54,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:55:54,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:55:54,804 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:55:54,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:54,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:55:54,804 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:55:54,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-16 10:55:54,804 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:55:54,804 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:55:54,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:54,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:54,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:55:55,026 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:55:55,026 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:55:55,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,028 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-16 10:55:55,035 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 [2022-11-16 10:55:55,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:55,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:55,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,065 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,070 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 [2022-11-16 10:55:55,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-16 10:55:55,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:55,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:55,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:55:55,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,123 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,126 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 [2022-11-16 10:55:55,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:55:55,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:55:55,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-16 10:55:55,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,155 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-16 10:55:55,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,156 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,163 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 [2022-11-16 10:55:55,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,176 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:55,176 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:55,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-16 10:55:55,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,191 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,196 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 [2022-11-16 10:55:55,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-16 10:55:55,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,210 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:55,217 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-16 10:55:55,217 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-16 10:55:55,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,243 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,248 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 [2022-11-16 10:55:55,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-16 10:55:55,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,263 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:55,263 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:55,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,283 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-16 10:55:55,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,284 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,291 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 [2022-11-16 10:55:55,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-16 10:55:55,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,306 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:55,306 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:55,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,327 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,335 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 [2022-11-16 10:55:55,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,349 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:55,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-16 10:55:55,371 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-16 10:55:55,371 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 10:55:55,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,410 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,414 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 [2022-11-16 10:55:55,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-16 10:55:55,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,429 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:55,429 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:55,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,458 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-16 10:55:55,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,459 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,463 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 [2022-11-16 10:55:55,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-16 10:55:55,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,478 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:55,479 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:55,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-11-16 10:55:55,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,499 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-16 10:55:55,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:55,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,514 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:55,526 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-16 10:55:55,526 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-16 10:55:55,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,572 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,578 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 [2022-11-16 10:55:55,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-16 10:55:55,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:55:55,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,591 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:55,592 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:55,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-11-16 10:55:55,597 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-16 10:55:55,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,598 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-16 10:55:55,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:55,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:55,612 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:55,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,612 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:55,617 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:55,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,628 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-16 10:55:55,631 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 [2022-11-16 10:55:55,642 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:55,642 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:55,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,643 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:55,651 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-16 10:55:55,651 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-16 10:55:55,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-11-16 10:55:55,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,690 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-16 10:55:55,694 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 [2022-11-16 10:55:55,704 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:55,704 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:55,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,705 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 10:55:55,705 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 10:55:55,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,715 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-16 10:55:55,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,716 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-16 10:55:55,719 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 [2022-11-16 10:55:55,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:55,731 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 10:55:55,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,732 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:55,733 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:55,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,742 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-16 10:55:55,744 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 [2022-11-16 10:55:55,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:55,757 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 10:55:55,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,758 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:55,770 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-16 10:55:55,770 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 10:55:55,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,837 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,842 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 [2022-11-16 10:55:55,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-16 10:55:55,855 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:55,855 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 10:55:55,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,856 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:55,857 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:55,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,872 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-16 10:55:55,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,873 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-16 10:55:55,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:55,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:55,894 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:55,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:55,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,894 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:55,896 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:55,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:55,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:55,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:55,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:55,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:55,913 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:55,922 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 [2022-11-16 10:55:55,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-16 10:55:55,936 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:55,936 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:55,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:55,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:55,937 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:55,949 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-16 10:55:55,949 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-16 10:55:56,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:56,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-11-16 10:55:56,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:56,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:56,038 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:56,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-16 10:55:56,041 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 [2022-11-16 10:55:56,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:56,051 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:56,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:56,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:56,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:56,051 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 10:55:56,053 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 10:55:56,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:56,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:56,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:56,061 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-16 10:55:56,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:56,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:56,062 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:56,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-16 10:55:56,064 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 [2022-11-16 10:55:56,082 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:56,082 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:56,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:56,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:56,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:56,082 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:56,084 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:56,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:56,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:56,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2022-11-16 10:55:56,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:56,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:56,099 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:56,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-16 10:55:56,103 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 [2022-11-16 10:55:56,116 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:56,116 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:56,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:56,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:56,116 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:56,132 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-16 10:55:56,132 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 10:55:56,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:56,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:56,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:56,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:56,168 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:56,171 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 [2022-11-16 10:55:56,184 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:56,184 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 10:55:56,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:56,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:56,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:56,184 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 10:55:56,185 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 10:55:56,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:56,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-16 10:55:56,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:56,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:56,197 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-16 10:55:56,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:56,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:56,198 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:56,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:55:56,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-16 10:55:56,213 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:56,213 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:56,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:56,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:56,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:56,213 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 10:55:56,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:56,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:56,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:56,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:56,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:56,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:56,221 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:56,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-16 10:55:56,224 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 [2022-11-16 10:55:56,234 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:56,235 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:56,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:56,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:56,235 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 10:55:56,252 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-11-16 10:55:56,252 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-16 10:55:56,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:56,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-11-16 10:55:56,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:55:56,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:56,305 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:55:56,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-16 10:55:56,314 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 [2022-11-16 10:55:56,324 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 10:55:56,324 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 10:55:56,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:55:56,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:55:56,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:55:56,324 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 10:55:56,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:55:56,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:55:56,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:55:56,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:56,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 10:55:56 BoogieIcfgContainer [2022-11-16 10:55:56,337 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 10:55:56,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:55:56,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:55:56,338 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:55:56,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:55:41" (3/4) ... [2022-11-16 10:55:56,342 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 10:55:56,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:55:56,343 INFO L158 Benchmark]: Toolchain (without parser) took 15250.13ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 87.5MB in the beginning and 139.0MB in the end (delta: -51.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:55:56,343 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:55:56,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.86ms. Allocated memory is still 125.8MB. Free memory was 87.3MB in the beginning and 100.6MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 10:55:56,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.55ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 99.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:55:56,344 INFO L158 Benchmark]: Boogie Preprocessor took 19.73ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 98.5MB in the end (delta: 631.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:55:56,344 INFO L158 Benchmark]: RCFGBuilder took 295.55ms. Allocated memory is still 125.8MB. Free memory was 98.5MB in the beginning and 89.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 10:55:56,345 INFO L158 Benchmark]: BuchiAutomizer took 14491.72ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 89.4MB in the beginning and 140.1MB in the end (delta: -50.7MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2022-11-16 10:55:56,345 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 139.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:55:56,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.86ms. Allocated memory is still 125.8MB. Free memory was 87.3MB in the beginning and 100.6MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.55ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 99.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.73ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 98.5MB in the end (delta: 631.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.55ms. Allocated memory is still 125.8MB. Free memory was 98.5MB in the beginning and 89.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 14491.72ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 89.4MB in the beginning and 140.1MB in the end (delta: -50.7MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 139.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 13.6s. 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: 81ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 1.4s 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 [2022-11-16 10:55:56,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686af496-2b93-4559-a0c3-d0b881670067/bin/uautomizer-tPACEb0tL8/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