./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN --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 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 --- 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-6b4ec56 [2022-11-20 11:53:57,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:53:57,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:53:57,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:53:57,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:53:57,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:53:57,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:53:57,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:53:57,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:53:57,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:53:57,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:53:57,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:53:57,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:53:57,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:53:57,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:53:57,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:53:57,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:53:57,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:53:57,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:53:57,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:53:57,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:53:57,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:53:57,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:53:57,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:53:57,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:53:57,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:53:57,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:53:57,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:53:57,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:53:57,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:53:57,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:53:57,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:53:57,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:53:57,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:53:57,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:53:57,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:53:57,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:53:57,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:53:57,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:53:57,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:53:57,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:53:57,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:53:57,736 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:53:57,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:53:57,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:53:57,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:53:57,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:53:57,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:53:57,739 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:53:57,740 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:53:57,740 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:53:57,740 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:53:57,740 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:53:57,741 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:53:57,741 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:53:57,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:53:57,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:53:57,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:53:57,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:53:57,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:53:57,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:53:57,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:53:57,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:53:57,744 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:53:57,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:53:57,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:53:57,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:53:57,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:53:57,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:53:57,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:53:57,747 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:53:57,747 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_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 [2022-11-20 11:53:58,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:53:58,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:53:58,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:53:58,130 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:53:58,132 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:53:58,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-bwb/and-05.c [2022-11-20 11:54:01,559 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:54:01,819 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:54:01,822 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/sv-benchmarks/c/termination-bwb/and-05.c [2022-11-20 11:54:01,830 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/data/817e2c46b/7601f1ce691b4d01b61c5af5f4214d4a/FLAGe5ea5ce4b [2022-11-20 11:54:01,849 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/data/817e2c46b/7601f1ce691b4d01b61c5af5f4214d4a [2022-11-20 11:54:01,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:54:01,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:54:01,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:54:01,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:54:01,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:54:01,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:54:01" (1/1) ... [2022-11-20 11:54:01,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b532912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:01, skipping insertion in model container [2022-11-20 11:54:01,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:54:01" (1/1) ... [2022-11-20 11:54:01,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:54:01,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:54:02,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:54:02,040 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:54:02,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:54:02,063 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:54:02,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02 WrapperNode [2022-11-20 11:54:02,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:54:02,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:54:02,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:54:02,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:54:02,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,097 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-20 11:54:02,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:54:02,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:54:02,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:54:02,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:54:02,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:54:02,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:54:02,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:54:02,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:54:02,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (1/1) ... [2022-11-20 11:54:02,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:02,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:02,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:02,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:54:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:54:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:54:02,264 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:54:02,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:54:02,370 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:54:02,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:54:02,377 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:54:02,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:02 BoogieIcfgContainer [2022-11-20 11:54:02,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:54:02,380 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:54:02,380 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:54:02,384 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:54:02,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:54:02,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:54:01" (1/3) ... [2022-11-20 11:54:02,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f73937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:54:02, skipping insertion in model container [2022-11-20 11:54:02,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:54:02,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:02" (2/3) ... [2022-11-20 11:54:02,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f73937b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:54:02, skipping insertion in model container [2022-11-20 11:54:02,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:54:02,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:02" (3/3) ... [2022-11-20 11:54:02,388 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-05.c [2022-11-20 11:54:02,450 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:54:02,450 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:54:02,450 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:54:02,451 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:54:02,451 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:54:02,453 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:54:02,453 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:54:02,454 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:54:02,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-20 11:54:02,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:54:02,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:02,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:02,486 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:54:02,486 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:54:02,487 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:54:02,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-20 11:54:02,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:54:02,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:02,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:02,489 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:54:02,489 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:54:02,500 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 7#L16-2true [2022-11-20 11:54:02,501 INFO L750 eck$LassoCheckResult]: Loop: 7#L16-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 3#L17true assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~nondet2#1 := 0; 10#L17-4true main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L16-2true [2022-11-20 11:54:02,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:02,509 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 11:54:02,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:02,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313455971] [2022-11-20 11:54:02,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:02,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:02,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:02,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:02,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:02,648 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2022-11-20 11:54:02,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:02,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732239411] [2022-11-20 11:54:02,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:02,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:02,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:02,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:02,684 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2022-11-20 11:54:02,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:02,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059390448] [2022-11-20 11:54:02,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:02,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:02,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:02,913 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:02,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:02,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:02,914 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:02,914 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:02,915 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:02,915 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:02,915 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:02,915 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2022-11-20 11:54:02,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:02,915 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:02,946 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:02,970 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:03,032 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:03,033 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:03,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:03,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:03,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:03,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:54:03,053 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:03,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:03,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:03,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:03,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:03,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:03,112 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:03,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:03,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:54:03,209 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:03,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-20 11:54:03,213 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:03,213 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:03,213 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:03,213 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:03,214 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:03,214 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:03,214 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:03,214 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:03,214 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2022-11-20 11:54:03,214 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:03,214 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:03,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:03,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:03,306 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:03,311 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:03,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:03,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:03,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:03,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:03,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:54:03,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:03,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:03,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:03,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:03,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:03,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:03,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:03,367 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:54:03,396 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 11:54:03,396 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-20 11:54:03,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:03,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:03,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:03,445 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:54:03,446 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:54:03,446 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:54:03,447 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-20 11:54:03,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:54:03,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:03,464 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:54:03,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:03,539 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:54:03,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:03,564 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:54:03,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:54:03,652 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:54:03,654 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2022-11-20 11:54:03,822 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 42 states and 54 transitions. Complement of second has 13 states. [2022-11-20 11:54:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-20 11:54:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2022-11-20 11:54:03,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 29 transitions. [2022-11-20 11:54:03,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-20 11:54:03,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:03,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-20 11:54:03,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:03,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-20 11:54:03,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:03,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 54 transitions. [2022-11-20 11:54:03,844 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:54:03,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 20 states and 28 transitions. [2022-11-20 11:54:03,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-20 11:54:03,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 11:54:03,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2022-11-20 11:54:03,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:03,853 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 28 transitions. [2022-11-20 11:54:03,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2022-11-20 11:54:03,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-11-20 11:54:03,887 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) [2022-11-20 11:54:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-20 11:54:03,889 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-20 11:54:03,889 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-20 11:54:03,889 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:54:03,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-20 11:54:03,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:54:03,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:03,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:03,892 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 11:54:03,892 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:54:03,892 INFO L748 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 116#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 109#L17 [2022-11-20 11:54:03,892 INFO L750 eck$LassoCheckResult]: Loop: 109#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 105#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~nondet2#1 := main_~x~0#1 - 1; 106#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 114#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 109#L17 [2022-11-20 11:54:03,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:03,899 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-20 11:54:03,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:03,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094019704] [2022-11-20 11:54:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:03,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:03,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:03,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:03,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:03,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1419160, now seen corresponding path program 1 times [2022-11-20 11:54:03,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:03,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215131475] [2022-11-20 11:54:03,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:03,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:03,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:03,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:03,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1810723007, now seen corresponding path program 1 times [2022-11-20 11:54:03,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:03,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079798448] [2022-11-20 11:54:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:03,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:03,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:03,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:03,993 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:03,993 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:03,993 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:03,994 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:03,994 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:03,994 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:03,994 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:03,994 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:03,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2022-11-20 11:54:03,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:03,995 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:04,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:04,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:04,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:04,088 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:04,089 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:04,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:04,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:04,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:04,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:04,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:04,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:54:04,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:04,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:04,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:04,180 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:04,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:54:04,185 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:04,185 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:04,284 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:04,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-20 11:54:04,288 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:04,288 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:04,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:04,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:04,288 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:04,288 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:04,288 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:04,289 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:04,289 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2022-11-20 11:54:04,289 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:04,289 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:04,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:04,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:04,343 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:04,344 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:04,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:04,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:04,347 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:04,356 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 [2022-11-20 11:54:04,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:04,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:04,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:04,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:04,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:04,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:54:04,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:04,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:04,395 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:54:04,401 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 11:54:04,402 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 11:54:04,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:04,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:04,403 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:04,418 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:54:04,418 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:54:04,419 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:54:04,419 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-20 11:54:04,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:54:04,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:04,430 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:54:04,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:04,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:54:04,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:04,474 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:54:04,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:54:04,538 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:54:04,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:54:04,616 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 9 states. [2022-11-20 11:54:04,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-20 11:54:04,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:54:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-11-20 11:54:04,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-20 11:54:04,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:04,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-20 11:54:04,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:04,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2022-11-20 11:54:04,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:04,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2022-11-20 11:54:04,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:54:04,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 27 states and 36 transitions. [2022-11-20 11:54:04,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-20 11:54:04,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 11:54:04,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2022-11-20 11:54:04,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:04,633 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2022-11-20 11:54:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2022-11-20 11:54:04,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2022-11-20 11:54:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2022-11-20 11:54:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-11-20 11:54:04,645 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-20 11:54:04,646 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-20 11:54:04,646 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:54:04,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-11-20 11:54:04,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:54:04,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:04,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:04,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 11:54:04,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:54:04,649 INFO L748 eck$LassoCheckResult]: Stem: 210#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 211#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 215#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 201#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 203#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1);main_#t~nondet2#1 := ~bitwiseAnd(main_~x~0#1 - 1, main_~y~0#1);assume (main_~x~0#1 - 1 < 0 || main_~y~0#1 < 0) || (main_#t~nondet2#1 <= main_~x~0#1 - 1 && main_#t~nondet2#1 <= main_~y~0#1);assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 >= 0;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 > main_~x~0#1 - 1 + main_~y~0#1; 207#L17-4 [2022-11-20 11:54:04,649 INFO L750 eck$LassoCheckResult]: Loop: 207#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 212#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 213#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 217#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~nondet2#1 := main_~x~0#1 - 1; 207#L17-4 [2022-11-20 11:54:04,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:04,650 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2022-11-20 11:54:04,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:04,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245097593] [2022-11-20 11:54:04,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:04,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:04,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:04,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:04,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1619800, now seen corresponding path program 2 times [2022-11-20 11:54:04,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:04,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860977972] [2022-11-20 11:54:04,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:04,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:04,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:04,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:04,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:04,710 INFO L85 PathProgramCache]: Analyzing trace with hash 644902404, now seen corresponding path program 1 times [2022-11-20 11:54:04,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:04,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106616275] [2022-11-20 11:54:04,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:04,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:54:04,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:54:04,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106616275] [2022-11-20 11:54:04,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106616275] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:54:04,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607443763] [2022-11-20 11:54:04,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:04,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:54:04,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:04,929 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:54:04,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 11:54:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:04,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:54:04,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:54:05,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:54:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:54:05,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607443763] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:54:05,266 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:54:05,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-20 11:54:05,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12946738] [2022-11-20 11:54:05,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:54:05,335 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:05,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:05,336 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:05,336 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:05,336 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:05,336 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:05,336 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:05,336 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:05,340 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2022-11-20 11:54:05,340 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:05,340 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:05,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:05,399 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:05,399 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:05,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:05,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:05,407 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:05,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:05,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:05,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:54:05,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:05,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:05,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:05,474 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:05,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:05,485 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:05,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:54:10,187 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:10,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:10,193 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:10,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:10,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:10,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:10,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:10,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:10,194 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:10,194 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:10,194 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2022-11-20 11:54:10,194 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:10,194 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:10,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:10,251 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:10,251 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:10,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:10,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:10,253 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:10,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:10,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:54:10,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:10,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:10,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:10,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:10,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:10,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:10,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:10,299 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:54:10,306 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 11:54:10,306 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-20 11:54:10,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:10,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:10,315 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:10,321 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:54:10,322 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:54:10,322 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:54:10,322 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet2#1) = 1*ULTIMATE.start_main_#t~nondet2#1 Supporting invariants [] [2022-11-20 11:54:10,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:54:10,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-20 11:54:10,331 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:54:10,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:10,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:54:10,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:10,367 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:54:10,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:10,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:54:10,399 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:54:10,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2022-11-20 11:54:10,426 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Result 57 states and 77 transitions. Complement of second has 7 states. [2022-11-20 11:54:10,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 11:54:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2022-11-20 11:54:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-20 11:54:10,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-20 11:54:10,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:10,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-20 11:54:10,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:10,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-20 11:54:10,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:10,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 77 transitions. [2022-11-20 11:54:10,430 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-20 11:54:10,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 55 states and 75 transitions. [2022-11-20 11:54:10,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-20 11:54:10,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-20 11:54:10,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 75 transitions. [2022-11-20 11:54:10,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:10,431 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 75 transitions. [2022-11-20 11:54:10,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 75 transitions. [2022-11-20 11:54:10,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2022-11-20 11:54:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 52 states have internal predecessors, (73), 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) [2022-11-20 11:54:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 73 transitions. [2022-11-20 11:54:10,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 73 transitions. [2022-11-20 11:54:10,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:54:10,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:54:10,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:54:10,441 INFO L87 Difference]: Start difference. First operand 53 states and 73 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 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) [2022-11-20 11:54:10,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:54:10,512 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-11-20 11:54:10,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 70 transitions. [2022-11-20 11:54:10,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:54:10,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 48 states and 61 transitions. [2022-11-20 11:54:10,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-20 11:54:10,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-11-20 11:54:10,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 61 transitions. [2022-11-20 11:54:10,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:10,515 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 61 transitions. [2022-11-20 11:54:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 61 transitions. [2022-11-20 11:54:10,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2022-11-20 11:54:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 29 states have internal predecessors, (41), 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) [2022-11-20 11:54:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2022-11-20 11:54:10,523 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-20 11:54:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:54:10,524 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-20 11:54:10,524 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 11:54:10,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2022-11-20 11:54:10,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:54:10,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:10,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:10,526 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 11:54:10,527 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:54:10,527 INFO L748 eck$LassoCheckResult]: Stem: 508#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 509#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 513#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 516#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 502#L17-2 [2022-11-20 11:54:10,527 INFO L750 eck$LassoCheckResult]: Loop: 502#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1);main_#t~nondet2#1 := ~bitwiseAnd(main_~x~0#1 - 1, main_~y~0#1);assume (main_~x~0#1 - 1 < 0 || main_~y~0#1 < 0) || (main_#t~nondet2#1 <= main_~x~0#1 - 1 && main_#t~nondet2#1 <= main_~y~0#1);assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 >= 0;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 > main_~x~0#1 - 1 + main_~y~0#1; 503#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 510#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 506#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 502#L17-2 [2022-11-20 11:54:10,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:10,527 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-20 11:54:10,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:10,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385867325] [2022-11-20 11:54:10,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:10,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:10,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:10,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:10,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:10,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1571592, now seen corresponding path program 1 times [2022-11-20 11:54:10,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:10,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255282650] [2022-11-20 11:54:10,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:10,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:10,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:10,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:10,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:10,546 INFO L85 PathProgramCache]: Analyzing trace with hash 297897967, now seen corresponding path program 1 times [2022-11-20 11:54:10,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:10,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423509474] [2022-11-20 11:54:10,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:10,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:10,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:10,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:10,647 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:10,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:10,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:10,648 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:10,648 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:10,648 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:10,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:10,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:10,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2022-11-20 11:54:10,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:10,649 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:10,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:10,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:10,776 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:10,776 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:10,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:10,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:10,778 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:10,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:54:10,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:10,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:10,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-11-20 11:54:10,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:10,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:10,827 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:10,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:54:10,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:10,831 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:11,052 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:11,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,056 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:11,056 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:11,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:11,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:11,057 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:11,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:11,072 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:11,072 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2022-11-20 11:54:11,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:11,072 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:11,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:11,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:11,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,225 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:11,225 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:11,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,227 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,236 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 [2022-11-20 11:54:11,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:11,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,250 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:11,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:11,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:54:11,256 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:11,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,279 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:11,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 11:54:11,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:11,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:11,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:11,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:11,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,325 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-20 11:54:11,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,327 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,340 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 [2022-11-20 11:54:11,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 11:54:11,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:11,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,355 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:11,355 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:11,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:11,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,391 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 11:54:11,408 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 [2022-11-20 11:54:11,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:11,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:11,422 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:11,426 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:11,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,447 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-20 11:54:11,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,449 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 11:54:11,458 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 [2022-11-20 11:54:11,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:11,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,473 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:11,473 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:11,477 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:54:11,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,516 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 11:54:11,528 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 [2022-11-20 11:54:11,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:11,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:11,541 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:11,542 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:11,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,561 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-20 11:54:11,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,562 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 11:54:11,566 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 [2022-11-20 11:54:11,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:11,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,580 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:11,580 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:11,585 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-20 11:54:11,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,610 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,615 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 [2022-11-20 11:54:11,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 11:54:11,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:11,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:11,631 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:11,632 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:11,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,658 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-20 11:54:11,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,659 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,663 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 [2022-11-20 11:54:11,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 11:54:11,677 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:11,678 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:11,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,678 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:11,678 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:11,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:11,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-20 11:54:11,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,708 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 11:54:11,710 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 [2022-11-20 11:54:11,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:11,721 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:11,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:11,722 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:11,723 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:11,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,758 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-20 11:54:11,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,760 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,767 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 [2022-11-20 11:54:11,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 11:54:11,783 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:11,783 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:11,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,784 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:11,784 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:11,791 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:54:11,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,827 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:11,851 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:11,851 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:11,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:11,852 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:11,854 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:11,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 11:54:11,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,895 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-20 11:54:11,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,897 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,901 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 [2022-11-20 11:54:11,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 11:54:11,918 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:11,919 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:11,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:11,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:11,919 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:11,920 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:11,930 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-20 11:54:11,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:11,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:11,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:11,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:11,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:11,987 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:11,991 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 [2022-11-20 11:54:12,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 11:54:12,008 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:12,009 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:12,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:12,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:12,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:12,009 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:12,012 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:12,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:12,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:12,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,037 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-20 11:54:12,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,039 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,048 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 [2022-11-20 11:54:12,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 11:54:12,064 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:12,064 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:12,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:12,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:12,065 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:12,065 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:12,070 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:54:12,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:12,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:12,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,106 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,110 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 [2022-11-20 11:54:12,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 11:54:12,126 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:12,126 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:12,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:12,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:12,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:12,127 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:12,128 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:12,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:12,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:12,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,161 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-20 11:54:12,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,163 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,171 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 [2022-11-20 11:54:12,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 11:54:12,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:12,189 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:12,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:12,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:12,189 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:12,189 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:12,197 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 11:54:12,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:12,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:12,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,230 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 11:54:12,236 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 [2022-11-20 11:54:12,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:12,252 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:12,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:12,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:12,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:12,252 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:12,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:12,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:12,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:12,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,304 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:12,304 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:12,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:12,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:12,305 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:12,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,305 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:12,305 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:12,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Lasso [2022-11-20 11:54:12,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:12,306 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:12,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:12,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:12,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:12,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:12,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:12,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:12,498 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:12,498 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:12,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,503 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:12,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:12,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 11:54:12,540 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:54:12,540 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:54:12,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,552 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:12,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:12,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 11:54:12,581 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:54:12,581 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:54:12,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,605 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 11:54:12,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:12,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:12,698 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:54:12,699 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:54:12,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,727 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,731 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:12,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:12,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 11:54:12,759 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:54:12,760 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: [] [2022-11-20 11:54:12,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,771 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,777 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:12,777 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:12,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 11:54:12,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:12,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:12,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:12,831 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:12,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:12,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:12,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 11:54:13,101 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:13,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:13,113 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:13,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:13,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:13,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:13,113 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:13,113 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:13,113 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:13,113 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Lasso [2022-11-20 11:54:13,113 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:13,113 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:13,115 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:13,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:13,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:13,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:13,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:13,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:13,398 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:13,399 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:13,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,415 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 11:54:13,468 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 [2022-11-20 11:54:13,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:13,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:13,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:13,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:13,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:13,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:13,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,518 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,522 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 [2022-11-20 11:54:13,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 11:54:13,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:13,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:13,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:13,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:13,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:13,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-20 11:54:13,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,571 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,580 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 [2022-11-20 11:54:13,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 11:54:13,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:13,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:13,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:13,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:13,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:13,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:13,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,617 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:13,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 11:54:13,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,641 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:13,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:13,664 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-20 11:54:13,664 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 11:54:13,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:13,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,698 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,703 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 [2022-11-20 11:54:13,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 11:54:13,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:13,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:13,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:13,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:13,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:13,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:13,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,736 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,743 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 [2022-11-20 11:54:13,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 11:54:13,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:13,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:13,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:13,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:13,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:13,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-20 11:54:13,776 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-20 11:54:13,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,777 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 11:54:13,780 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 [2022-11-20 11:54:13,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:13,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:13,792 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:13,792 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:13,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:13,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-20 11:54:13,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,798 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 11:54:13,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:13,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:13,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:13,817 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:13,817 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:13,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:13,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:13,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,832 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 11:54:13,840 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 [2022-11-20 11:54:13,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:13,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:13,853 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:13,854 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:13,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:13,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-20 11:54:13,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,861 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,873 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 [2022-11-20 11:54:13,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 11:54:13,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,890 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:13,890 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:13,903 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-20 11:54:13,903 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-20 11:54:13,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:13,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,939 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 11:54:13,956 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 [2022-11-20 11:54:13,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:13,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:13,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:13,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:13,972 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:13,973 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:13,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:13,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:13,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:13,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:13,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:13,989 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:13,993 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 [2022-11-20 11:54:14,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 11:54:14,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,010 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:14,011 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:14,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,039 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-20 11:54:14,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,042 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,047 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 [2022-11-20 11:54:14,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 11:54:14,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,064 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:14,065 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:14,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,085 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,090 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 [2022-11-20 11:54:14,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 11:54:14,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,108 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:14,110 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:14,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,133 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,137 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 [2022-11-20 11:54:14,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 11:54:14,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,154 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:14,154 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:14,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,177 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,181 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 [2022-11-20 11:54:14,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 11:54:14,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,198 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:14,198 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:14,216 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2022-11-20 11:54:14,216 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-20 11:54:14,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,263 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:14,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 11:54:14,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,288 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:14,289 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:14,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,316 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,321 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 [2022-11-20 11:54:14,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 11:54:14,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,336 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:14,337 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:14,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,351 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-20 11:54:14,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,353 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,357 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 [2022-11-20 11:54:14,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-20 11:54:14,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,374 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:14,375 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:14,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,401 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:14,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-20 11:54:14,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,422 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:14,423 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:14,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,445 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,449 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 [2022-11-20 11:54:14,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-20 11:54:14,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,466 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:14,467 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:14,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,489 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,493 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 [2022-11-20 11:54:14,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-20 11:54:14,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,510 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:14,510 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:14,532 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2022-11-20 11:54:14,532 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2022-11-20 11:54:14,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,617 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,622 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 [2022-11-20 11:54:14,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-20 11:54:14,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,639 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:14,640 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:14,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,666 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,671 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 [2022-11-20 11:54:14,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-20 11:54:14,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:14,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,688 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:14,689 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:14,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,711 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-20 11:54:14,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,713 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:14,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-20 11:54:14,736 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:14,736 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:14,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,737 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:14,738 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:14,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,755 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,760 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 [2022-11-20 11:54:14,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-20 11:54:14,775 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:14,776 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:14,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,776 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:14,778 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:14,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,801 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,805 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 [2022-11-20 11:54:14,820 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:14,821 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:14,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:14,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:14,821 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:14,822 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:14,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:14,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-20 11:54:14,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:14,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:14,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:14,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:14,847 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:14,851 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 [2022-11-20 11:54:14,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-20 11:54:14,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:14,867 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:14,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:14,868 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:14,868 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:14,882 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-20 11:54:14,882 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-20 11:54:14,931 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:54:15,109 INFO L443 ModelExtractionUtils]: Simplification made 31 calls to the SMT solver. [2022-11-20 11:54:15,109 INFO L444 ModelExtractionUtils]: 0 out of 26 variables were initially zero. Simplification set additionally 18 variables to zero. [2022-11-20 11:54:15,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:15,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:15,112 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:15,119 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:54:15,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-20 11:54:15,149 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2022-11-20 11:54:15,149 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:54:15,150 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 3*ULTIMATE.start_main_~x~0#1 + 2 f1 = 0 Supporting invariants [3*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~y~0#1 >= 0, 1*ULTIMATE.start_main_~x~0#1 >= 0] [2022-11-20 11:54:15,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:15,158 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: Inconsistent sorts at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.(PolynomialRelation.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.of(PolynomialRelation.java:608) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.comparison(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1457) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1372) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.convertApplicationTerm(SmtUtils.java:1361) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.convertApplicationTerm(Substitution.java:53) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:389) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:319) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUtils.computeClosedFormula(PredicateUtils.java:94) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:130) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:89) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BinaryStatePredicateManager.getRankInEquality(BinaryStatePredicateManager.java:354) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BinaryStatePredicateManager.decodeLex(BinaryStatePredicateManager.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BinaryStatePredicateManager.computePredicates(BinaryStatePredicateManager.java:121) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:667) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:908) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:819) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:54:15,162 INFO L158 Benchmark]: Toolchain (without parser) took 13304.73ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 147.4MB in the beginning and 169.1MB in the end (delta: -21.7MB). Peak memory consumption was 141.7MB. Max. memory is 16.1GB. [2022-11-20 11:54:15,162 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:54:15,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.65ms. Allocated memory is still 178.3MB. Free memory was 147.4MB in the beginning and 138.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:54:15,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.90ms. Allocated memory is still 178.3MB. Free memory was 138.4MB in the beginning and 136.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:54:15,163 INFO L158 Benchmark]: Boogie Preprocessor took 21.67ms. Allocated memory is still 178.3MB. Free memory was 136.9MB in the beginning and 136.3MB in the end (delta: 630.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:54:15,163 INFO L158 Benchmark]: RCFGBuilder took 258.69ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 127.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:54:15,164 INFO L158 Benchmark]: BuchiAutomizer took 12780.57ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 127.0MB in the beginning and 169.1MB in the end (delta: -42.1MB). Peak memory consumption was 122.8MB. Max. memory is 16.1GB. [2022-11-20 11:54:15,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.65ms. Allocated memory is still 178.3MB. Free memory was 147.4MB in the beginning and 138.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.90ms. Allocated memory is still 178.3MB. Free memory was 138.4MB in the beginning and 136.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.67ms. Allocated memory is still 178.3MB. Free memory was 136.9MB in the beginning and 136.3MB in the end (delta: 630.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 258.69ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 127.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 12780.57ms. Allocated memory was 178.3MB in the beginning and 230.7MB in the end (delta: 52.4MB). Free memory was 127.0MB in the beginning and 169.1MB in the end (delta: -42.1MB). Peak memory consumption was 122.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: Inconsistent sorts de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: Inconsistent sorts: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.(PolynomialRelation.java:135) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 11:54:15,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:15,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:15,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/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_3a25da05-0000-4e93-adc3-d95742e52d22/bin/uautomizer-ug76WZFUDN/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: ERROR: ExceptionOrErrorResult: AssertionError: Inconsistent sorts