./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-06.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_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/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_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/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_df24ec51-c985-4a62-a5f9-d828ee889561/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 d5d25da990643b4b5025c4e511382360ecc906ce1073cabf600162c7aef9f4cd --- 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 11:54:33,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:54:33,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:54:33,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:54:33,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:54:33,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:54:33,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:54:33,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:54:33,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:54:33,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:54:33,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:54:33,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:54:33,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:54:33,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:54:33,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:54:33,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:54:33,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:54:33,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:54:33,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:54:33,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:54:33,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:54:33,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:54:33,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:54:33,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:54:33,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:54:33,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:54:33,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:54:33,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:54:33,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:54:33,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:54:33,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:54:34,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:54:34,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:54:34,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:54:34,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:54:34,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:54:34,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:54:34,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:54:34,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:54:34,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:54:34,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:54:34,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:54:34,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:54:34,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:54:34,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:54:34,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:54:34,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:54:34,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:54:34,033 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:54:34,033 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:54:34,033 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:54:34,033 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:54:34,034 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:54:34,034 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:54:34,034 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:54:34,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:54:34,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:54:34,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:54:34,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:54:34,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:54:34,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:54:34,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:54:34,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:54:34,036 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:54:34,037 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:54:34,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:54:34,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:54:34,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:54:34,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:54:34,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:54:34,039 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:54:34,039 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_df24ec51-c985-4a62-a5f9-d828ee889561/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5d25da990643b4b5025c4e511382360ecc906ce1073cabf600162c7aef9f4cd [2022-11-20 11:54:34,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:54:34,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:54:34,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:54:34,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:54:34,316 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:54:34,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-bwb/and-06.c [2022-11-20 11:54:37,436 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:54:37,707 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:54:37,708 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/sv-benchmarks/c/termination-bwb/and-06.c [2022-11-20 11:54:37,715 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/data/c04f0bc7b/0ab54d58150842b7a09989d982c0dfae/FLAG2f85da02d [2022-11-20 11:54:37,736 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/data/c04f0bc7b/0ab54d58150842b7a09989d982c0dfae [2022-11-20 11:54:37,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:54:37,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:54:37,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:54:37,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:54:37,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:54:37,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:54:37" (1/1) ... [2022-11-20 11:54:37,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393eef6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:37, skipping insertion in model container [2022-11-20 11:54:37,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:54:37" (1/1) ... [2022-11-20 11:54:37,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:54:37,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:54:37,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:54:37,970 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:54:37,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:54:38,005 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:54:38,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38 WrapperNode [2022-11-20 11:54:38,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:54:38,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:54:38,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:54:38,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:54:38,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,044 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-11-20 11:54:38,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:54:38,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:54:38,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:54:38,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:54:38,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:54:38,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:54:38,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:54:38,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:54:38,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (1/1) ... [2022-11-20 11:54:38,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:38,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:38,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:38,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:54:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:54:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:54:38,226 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:54:38,228 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:54:38,380 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:54:38,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:54:38,389 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:54:38,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:38 BoogieIcfgContainer [2022-11-20 11:54:38,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:54:38,395 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:54:38,395 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:54:38,399 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:54:38,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:54:38,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:54:37" (1/3) ... [2022-11-20 11:54:38,402 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56174e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:54:38, skipping insertion in model container [2022-11-20 11:54:38,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:54:38,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:38" (2/3) ... [2022-11-20 11:54:38,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56174e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:54:38, skipping insertion in model container [2022-11-20 11:54:38,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:54:38,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:38" (3/3) ... [2022-11-20 11:54:38,409 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-06.c [2022-11-20 11:54:38,483 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:54:38,483 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:54:38,483 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:54:38,483 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:54:38,483 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:54:38,484 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:54:38,484 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:54:38,484 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:54:38,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 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 11:54:38,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:54:38,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:38,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:38,516 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:54:38,517 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:54:38,518 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:54:38,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 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 11:54:38,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:54:38,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:38,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:38,522 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:54:38,522 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:54:38,531 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 5#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~post2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L18-2true [2022-11-20 11:54:38,531 INFO L750 eck$LassoCheckResult]: Loop: 8#L18-2true assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 7#L18true assume !(main_~a~0#1 > 0); 9#L21true assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet4#1 := 0; 12#L21-4true main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 8#L18-2true [2022-11-20 11:54:38,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:38,537 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 11:54:38,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:38,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430017599] [2022-11-20 11:54:38,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:38,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:38,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:38,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:38,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:38,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1279131, now seen corresponding path program 1 times [2022-11-20 11:54:38,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:38,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804180942] [2022-11-20 11:54:38,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:38,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:38,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:38,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:38,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:38,673 INFO L85 PathProgramCache]: Analyzing trace with hash 889706333, now seen corresponding path program 1 times [2022-11-20 11:54:38,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:38,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588326288] [2022-11-20 11:54:38,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:38,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:38,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:38,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:38,807 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:38,808 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:38,808 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:38,808 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:38,808 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:38,809 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:38,809 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:38,809 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:38,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration1_Loop [2022-11-20 11:54:38,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:38,809 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:38,839 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 11:54:38,853 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 11:54:38,880 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 11:54:38,902 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 11:54:39,002 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:39,003 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:39,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:39,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:39,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:39,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:39,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:39,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:54:39,052 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:54:39,052 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:54:39,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 11:54:39,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:39,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:39,059 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:39,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:39,075 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:39,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:54:39,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:39,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:39,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:39,104 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:39,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:54:39,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:39,118 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:39,175 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:39,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:39,180 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:39,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:39,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:39,180 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:39,180 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:39,180 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:39,181 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:39,181 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:39,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration1_Loop [2022-11-20 11:54:39,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:39,181 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:39,183 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 11:54:39,188 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 11:54:39,200 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 11:54:39,214 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 11:54:39,279 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:39,284 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:39,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:39,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:39,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:39,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:39,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:39,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:39,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:39,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:39,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:39,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:54:39,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:39,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:39,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:39,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-20 11:54:39,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:39,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:39,351 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:39,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:54:39,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:39,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:39,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:39,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:39,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:39,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:39,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:39,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:39,382 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:54:39,386 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 11:54:39,386 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 11:54:39,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:39,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:39,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:39,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:54:39,399 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:54:39,399 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:54:39,399 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:54:39,400 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 11:54:39,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-20 11:54:39,410 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:54:39,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:39,452 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:54:39,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:39,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:39,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:54:39,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:39,565 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 11:54:39,600 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 11:54:39,603 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 11:54:39,794 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 58 states and 90 transitions. Complement of second has 11 states. [2022-11-20 11:54:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-11-20 11:54:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 11:54:39,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 55 transitions. [2022-11-20 11:54:39,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 55 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 11:54:39,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:39,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 55 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-20 11:54:39,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:39,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 55 transitions. Stem has 2 letters. Loop has 8 letters. [2022-11-20 11:54:39,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:39,810 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 90 transitions. [2022-11-20 11:54:39,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:54:39,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 35 states and 51 transitions. [2022-11-20 11:54:39,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-20 11:54:39,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 11:54:39,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 51 transitions. [2022-11-20 11:54:39,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:39,824 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 51 transitions. [2022-11-20 11:54:39,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 51 transitions. [2022-11-20 11:54:39,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 21. [2022-11-20 11:54:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 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 11:54:39,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2022-11-20 11:54:39,852 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2022-11-20 11:54:39,852 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2022-11-20 11:54:39,852 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:54:39,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2022-11-20 11:54:39,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:54:39,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:39,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:39,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 11:54:39,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:54:39,854 INFO L748 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 136#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~post2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 145#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 129#L18 [2022-11-20 11:54:39,854 INFO L750 eck$LassoCheckResult]: Loop: 129#L18 assume main_~a~0#1 > 0; 131#L19 assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~nondet3#1 := 0; 126#L19-4 main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 137#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 129#L18 [2022-11-20 11:54:39,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:39,855 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-20 11:54:39,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:39,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96237623] [2022-11-20 11:54:39,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:39,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:39,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:39,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:39,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:39,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1357749, now seen corresponding path program 1 times [2022-11-20 11:54:39,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:39,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811449444] [2022-11-20 11:54:39,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:39,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:39,931 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 11:54:39,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:54:39,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811449444] [2022-11-20 11:54:39,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811449444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:54:39,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:54:39,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:54:39,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780553725] [2022-11-20 11:54:39,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:54:39,936 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:54:39,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:54:39,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:54:39,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:54:39,943 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. cyclomatic complexity: 11 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 11:54:39,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:54:39,971 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2022-11-20 11:54:39,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2022-11-20 11:54:39,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:54:39,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 28 transitions. [2022-11-20 11:54:39,979 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 11:54:39,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 11:54:39,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 28 transitions. [2022-11-20 11:54:39,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:39,982 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2022-11-20 11:54:39,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 28 transitions. [2022-11-20 11:54:39,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-20 11:54:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 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 11:54:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2022-11-20 11:54:39,995 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2022-11-20 11:54:39,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:54:39,997 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2022-11-20 11:54:39,997 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:54:39,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2022-11-20 11:54:39,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:54:39,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:39,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:39,998 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 11:54:39,999 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-20 11:54:39,999 INFO L748 eck$LassoCheckResult]: Stem: 188#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 189#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 197#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 182#L18 [2022-11-20 11:54:39,999 INFO L750 eck$LassoCheckResult]: Loop: 182#L18 assume !(main_~a~0#1 > 0); 183#L21 assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1); 192#L21-2 assume !(main_~x~0#1 == main_~x~0#1 - 1);main_#t~nondet4#1 := ~bitwiseAnd(main_~x~0#1, main_~x~0#1 - 1);assume (main_~x~0#1 < 0 || main_~x~0#1 - 1 < 0) || (main_#t~nondet4#1 <= main_~x~0#1 && main_#t~nondet4#1 <= main_~x~0#1 - 1);assume (main_~x~0#1 < 0 && main_~x~0#1 - 1 < 0) || main_#t~nondet4#1 >= 0;assume (main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0) || main_#t~nondet4#1 > main_~x~0#1 + (main_~x~0#1 - 1); 195#L21-4 main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 190#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 182#L18 [2022-11-20 11:54:40,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:40,000 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2022-11-20 11:54:40,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:40,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091781356] [2022-11-20 11:54:40,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:40,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:40,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:40,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:40,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:40,009 INFO L85 PathProgramCache]: Analyzing trace with hash 55508611, now seen corresponding path program 1 times [2022-11-20 11:54:40,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:40,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132835836] [2022-11-20 11:54:40,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:40,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:40,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:40,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:40,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:40,028 INFO L85 PathProgramCache]: Analyzing trace with hash 309353020, now seen corresponding path program 1 times [2022-11-20 11:54:40,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:40,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398621319] [2022-11-20 11:54:40,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:40,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:40,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:40,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:40,147 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:40,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:40,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:40,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:40,148 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:40,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:40,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:40,148 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration3_Loop [2022-11-20 11:54:40,148 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:40,148 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:40,150 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 11:54:40,161 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 11:54:40,168 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 11:54:40,170 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 11:54:40,245 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:40,245 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:40,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,247 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:54:40,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:40,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:40,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,284 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:40,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:40,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:54:40,374 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:40,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,383 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:40,384 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:40,384 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:40,384 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:40,384 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:40,384 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,385 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:40,385 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:40,385 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration3_Loop [2022-11-20 11:54:40,385 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:40,385 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:40,386 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 11:54:40,403 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 11:54:40,413 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 11:54:40,417 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 11:54:40,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:40,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:40,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,515 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:40,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,537 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:40,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:40,539 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:40,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:54:40,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:40,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,561 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:40,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:40,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:40,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:40,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:54:40,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:40,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,619 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:40,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:40,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:40,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:40,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:54:40,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:40,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,673 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:40,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:54:40,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:40,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:40,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:40,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:40,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,711 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-20 11:54:40,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,714 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:54:40,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:40,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,742 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:40,742 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:40,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:40,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:40,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,776 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,780 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 11:54:40,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:54:40,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:40,793 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:40,795 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:40,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:40,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,815 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:54:40,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:40,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:40,834 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:40,835 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:40,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:40,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,843 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:54:40,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:40,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:40,857 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:40,858 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:40,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:40,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,895 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-20 11:54:40,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,897 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:40,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,922 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:40,922 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:40,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 11:54:40,925 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:54:40,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:40,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:40,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:40,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:40,953 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:40,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:40,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:40,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:40,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:40,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:40,976 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:40,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 11:54:40,987 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:40,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:40,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,008 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 11:54:41,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:41,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,033 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:41,034 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:41,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,055 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 11:54:41,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:41,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,073 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:41,074 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:41,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,097 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-20 11:54:41,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,098 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:41,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 11:54:41,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:41,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,116 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:41,116 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:41,121 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-20 11:54:41,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,146 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:41,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,165 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:41,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 11:54:41,167 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:41,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,188 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:41,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,209 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:41,210 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:41,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 11:54:41,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,236 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:41,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,258 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:41,260 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:41,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 11:54:41,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,291 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-20 11:54:41,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,293 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,311 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,311 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:41,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 11:54:41,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,311 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:41,312 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:41,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:41,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,352 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,356 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 11:54:41,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,369 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:41,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 11:54:41,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,369 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:41,371 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:41,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,396 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 11:54:41,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,411 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:41,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,411 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:41,412 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:41,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,432 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:41,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,449 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:41,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,449 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:41,451 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:41,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 11:54:41,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,474 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-20 11:54:41,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,476 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:41,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 11:54:41,497 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,498 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:41,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,498 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:41,498 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:41,502 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:54:41,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,550 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,567 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,567 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:41,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,567 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:41,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 11:54:41,570 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:41,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,598 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,616 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,617 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:41,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,617 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:41,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 11:54:41,620 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:41,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,654 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,670 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,670 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:41,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,671 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:41,674 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:41,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 11:54:41,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,689 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-20 11:54:41,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,691 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 11:54:41,708 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,708 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:41,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,708 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:41,708 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:41,715 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-20 11:54:41,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,747 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,764 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,764 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:41,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,765 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:41,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 11:54:41,769 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:41,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,800 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,820 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,820 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:41,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,821 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:41,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 11:54:41,824 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:41,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,853 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 11:54:41,870 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,870 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:41,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,870 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:41,872 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:41,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,896 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-20 11:54:41,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,897 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:41,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 11:54:41,919 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,919 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:41,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,920 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:41,920 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:41,922 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:54:41,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,948 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:41,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:41,968 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:41,968 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:41,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:41,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:41,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:41,969 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:41,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 11:54:41,971 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:41,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:41,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:41,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:41,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:41,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:41,996 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,014 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:42,014 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:42,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,015 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:42,016 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:42,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 11:54:42,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,044 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,064 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:42,064 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:42,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,065 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:42,066 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:42,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 11:54:42,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,091 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-20 11:54:42,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,092 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,108 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:42,109 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:42,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,109 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:42,109 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:42,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 11:54:42,113 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 11:54:42,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,134 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,137 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 11:54:42,150 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:42,150 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:42,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,151 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:42,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 11:54:42,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:42,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-20 11:54:42,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,179 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 11:54:42,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:42,194 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:42,194 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:42,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,194 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:42,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:42,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,216 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:42,236 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:42,236 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:42,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,237 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:42,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 11:54:42,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:42,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,271 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:42,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:42,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:42,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:42,272 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:42,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:42,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:42,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration3_Lasso [2022-11-20 11:54:42,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:42,273 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:42,275 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 11:54:42,289 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 11:54:42,291 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 11:54:42,294 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 11:54:42,296 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 11:54:42,304 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 11:54:42,306 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 11:54:42,309 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 11:54:42,383 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:42,383 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:42,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,385 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 11:54:42,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:42,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:42,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-20 11:54:42,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,415 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 11:54:42,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:42,418 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:42,474 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:42,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-20 11:54:42,477 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:42,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:42,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:42,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:42,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:42,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:42,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:42,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration3_Lasso [2022-11-20 11:54:42,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:42,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:42,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:42,501 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 11:54:42,504 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 11:54:42,507 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 11:54:42,515 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 11:54:42,520 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 11:54:42,522 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 11:54:42,525 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 11:54:42,628 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:42,629 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:42,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,631 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 11:54:42,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,650 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:42,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:42,655 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-20 11:54:42,656 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 11:54:42,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,684 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:42,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:42,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:42,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 11:54:42,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,724 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:42,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:42,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 11:54:42,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,752 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:42,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:42,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 11:54:42,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,783 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:42,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:42,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 11:54:42,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,820 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 11:54:42,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:42,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:42,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-20 11:54:42,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,841 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 11:54:42,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:42,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:42,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,867 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 11:54:42,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:42,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:42,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-20 11:54:42,905 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-20 11:54:42,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,906 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 11:54:42,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,919 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:42,919 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:42,925 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-20 11:54:42,925 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-20 11:54:42,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:42,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:42,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:42,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:42,963 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:42,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 11:54:42,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:42,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:42,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:42,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:42,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:42,980 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:42,980 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:42,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:42,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,001 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:43,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,020 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:43,021 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:43,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 11:54:43,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-20 11:54:43,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,033 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-20 11:54:43,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,051 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:43,052 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:43,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,088 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,104 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:43,105 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:43,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-20 11:54:43,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,135 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-20 11:54:43,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,152 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:43,152 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:43,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-20 11:54:43,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,157 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-20 11:54:43,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,170 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:43,171 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:43,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-20 11:54:43,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,178 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-20 11:54:43,181 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 11:54:43,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,192 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:43,192 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:43,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-20 11:54:43,196 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-20 11:54:43,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,197 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-20 11:54:43,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:43,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,212 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:43,212 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:43,224 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2022-11-20 11:54:43,224 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-20 11:54:43,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,254 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:43,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,276 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:43,277 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:43,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-20 11:54:43,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,299 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,318 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:43,319 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:43,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-20 11:54:43,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,333 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,352 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:43,353 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:43,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-20 11:54:43,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,376 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-20 11:54:43,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,391 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:43,392 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:43,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-20 11:54:43,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,413 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-20 11:54:43,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,426 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:43,427 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:43,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,441 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,460 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:43,461 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:43,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-20 11:54:43,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,484 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-20 11:54:43,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,498 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:43,499 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:43,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-11-20 11:54:43,516 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-20 11:54:43,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,517 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-20 11:54:43,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,530 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:43,530 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:43,541 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2022-11-20 11:54:43,541 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2022-11-20 11:54:43,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,597 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:43,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,614 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:43,615 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:43,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-20 11:54:43,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-11-20 11:54:43,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,627 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-20 11:54:43,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:43,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,640 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:43,647 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:43,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,677 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-20 11:54:43,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,691 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:43,692 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:43,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,707 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-20 11:54:43,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,722 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:43,722 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:43,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-20 11:54:43,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,728 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-20 11:54:43,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:43,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,742 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:43,743 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:43,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,749 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-20 11:54:43,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:43,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,768 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:43,771 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:43,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,778 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-20 11:54:43,780 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 11:54:43,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:43,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:43,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:43,792 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:43,792 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:43,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:43,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:43,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,797 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-20 11:54:43,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,798 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,805 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 11:54:43,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-20 11:54:43,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:43,816 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:43,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:43,816 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:43,816 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:43,823 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-20 11:54:43,823 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-20 11:54:43,850 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:54:43,909 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-11-20 11:54:43,909 INFO L444 ModelExtractionUtils]: 2 out of 18 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-20 11:54:43,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:43,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:43,915 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:43,919 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:54:43,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-20 11:54:43,951 INFO L438 nArgumentSynthesizer]: Removed 5 redundant supporting invariants from a total of 6. [2022-11-20 11:54:43,952 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:54:43,952 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~x~0#1 f1 = -1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 >= 0] [2022-11-20 11:54:43,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:43,961 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 11:54:44,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:44,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:54:44,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:44,023 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:54:44,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:44,280 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 11:54:44,281 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-11-20 11:54:44,281 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:54:44,475 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 77 transitions. Complement of second has 10 states. [2022-11-20 11:54:44,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states [2022-11-20 11:54:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:54:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2022-11-20 11:54:44,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 3 letters. Loop has 5 letters. [2022-11-20 11:54:44,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:44,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 8 letters. Loop has 5 letters. [2022-11-20 11:54:44,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:44,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 3 letters. Loop has 10 letters. [2022-11-20 11:54:44,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:44,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 77 transitions. [2022-11-20 11:54:44,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:54:44,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 44 states and 59 transitions. [2022-11-20 11:54:44,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-20 11:54:44,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-20 11:54:44,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 59 transitions. [2022-11-20 11:54:44,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:44,483 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 59 transitions. [2022-11-20 11:54:44,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 59 transitions. [2022-11-20 11:54:44,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2022-11-20 11:54:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 35 states have internal predecessors, (49), 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 11:54:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2022-11-20 11:54:44,486 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions. [2022-11-20 11:54:44,486 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2022-11-20 11:54:44,487 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 11:54:44,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 49 transitions. [2022-11-20 11:54:44,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:54:44,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:44,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:44,488 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 11:54:44,488 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-20 11:54:44,488 INFO L748 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 335#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 336#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 337#L18 assume main_~a~0#1 > 0; 330#L19 [2022-11-20 11:54:44,489 INFO L750 eck$LassoCheckResult]: Loop: 330#L19 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 325#L19-2 assume main_~x~0#1 == main_~a~0#1;main_#t~nondet3#1 := main_~x~0#1; 326#L19-4 main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 347#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 350#L18 assume main_~a~0#1 > 0; 330#L19 [2022-11-20 11:54:44,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-11-20 11:54:44,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:44,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473433157] [2022-11-20 11:54:44,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:44,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:44,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:44,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:44,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:44,498 INFO L85 PathProgramCache]: Analyzing trace with hash 46856793, now seen corresponding path program 1 times [2022-11-20 11:54:44,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:44,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172142234] [2022-11-20 11:54:44,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:44,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:44,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:44,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:44,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:44,534 INFO L85 PathProgramCache]: Analyzing trace with hash 585781524, now seen corresponding path program 1 times [2022-11-20 11:54:44,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:44,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20202528] [2022-11-20 11:54:44,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:44,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:44,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:44,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:44,602 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:44,603 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:44,603 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:44,603 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:44,603 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:44,603 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:44,603 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:44,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:44,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration4_Loop [2022-11-20 11:54:44,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:44,604 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:44,605 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 11:54:44,609 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 11:54:44,611 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 11:54:44,660 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:44,660 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:44,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:44,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:44,663 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:44,671 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:44,671 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:44,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-20 11:54:44,699 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:54:44,699 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:54:44,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:44,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:44,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:44,704 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:44,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:44,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:44,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-20 11:54:44,734 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 11:54:44,734 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 11:54:44,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:44,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:44,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:44,739 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:44,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:44,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:44,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-20 11:54:44,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:44,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:44,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:44,775 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:44,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:44,781 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:44,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-20 11:54:44,893 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:44,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:44,896 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:44,897 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:44,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:44,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:44,897 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:44,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:44,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:44,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:44,897 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration4_Loop [2022-11-20 11:54:44,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:44,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:44,898 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 11:54:44,901 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 11:54:44,903 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 11:54:44,948 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:44,949 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:44,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:44,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:44,950 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:44,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-20 11:54:44,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:44,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:44,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:44,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:44,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:44,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:44,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:44,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:44,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:44,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:44,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:44,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:44,988 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:44,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:45,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-20 11:54:45,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:45,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:45,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:45,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:45,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:45,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:45,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:45,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:45,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:45,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:45,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:45,040 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:45,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:45,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-20 11:54:45,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:45,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:45,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:45,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:45,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:45,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:45,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:45,082 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:54:45,088 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 11:54:45,088 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-20 11:54:45,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:45,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:45,092 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:45,093 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:54:45,094 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:54:45,094 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:54:45,094 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = 1*ULTIMATE.start_main_~a~0#1 Supporting invariants [] [2022-11-20 11:54:45,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-20 11:54:45,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:45,099 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:54:45,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:45,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:54:45,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:45,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:54:45,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:45,147 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 11:54:45,148 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 11:54:45,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 17 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 11:54:45,178 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 49 transitions. cyclomatic complexity: 17. 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 70 states and 95 transitions. Complement of second has 6 states. [2022-11-20 11:54:45,179 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 11:54:45,180 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 11:54:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-20 11:54:45,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 5 letters. [2022-11-20 11:54:45,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:45,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 5 letters. [2022-11-20 11:54:45,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:45,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 10 letters. [2022-11-20 11:54:45,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:45,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 95 transitions. [2022-11-20 11:54:45,183 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-20 11:54:45,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 70 states and 95 transitions. [2022-11-20 11:54:45,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-20 11:54:45,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-20 11:54:45,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 95 transitions. [2022-11-20 11:54:45,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:45,185 INFO L218 hiAutomatonCegarLoop]: Abstraction has 70 states and 95 transitions. [2022-11-20 11:54:45,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 95 transitions. [2022-11-20 11:54:45,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2022-11-20 11:54:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.378787878787879) internal successors, (91), 65 states have internal predecessors, (91), 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 11:54:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 91 transitions. [2022-11-20 11:54:45,190 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 91 transitions. [2022-11-20 11:54:45,190 INFO L428 stractBuchiCegarLoop]: Abstraction has 66 states and 91 transitions. [2022-11-20 11:54:45,190 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 11:54:45,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 91 transitions. [2022-11-20 11:54:45,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-20 11:54:45,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:45,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:45,192 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:54:45,192 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-20 11:54:45,192 INFO L748 eck$LassoCheckResult]: Stem: 488#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 489#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 500#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 525#L18 assume main_~a~0#1 > 0; 501#L19 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 480#L19-2 assume !(main_~x~0#1 == main_~a~0#1);main_#t~nondet3#1 := ~bitwiseAnd(main_~x~0#1, main_~a~0#1);assume (main_~x~0#1 < 0 || main_~a~0#1 < 0) || (main_#t~nondet3#1 <= main_~x~0#1 && main_#t~nondet3#1 <= main_~a~0#1);assume (main_~x~0#1 < 0 && main_~a~0#1 < 0) || main_#t~nondet3#1 >= 0;assume (main_~x~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~nondet3#1 > main_~x~0#1 + main_~a~0#1; 481#L19-4 main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 490#L18-2 [2022-11-20 11:54:45,192 INFO L750 eck$LassoCheckResult]: Loop: 490#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 484#L18 assume !(main_~a~0#1 > 0); 485#L21 assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1); 493#L21-2 assume !(main_~x~0#1 == main_~x~0#1 - 1);main_#t~nondet4#1 := ~bitwiseAnd(main_~x~0#1, main_~x~0#1 - 1);assume (main_~x~0#1 < 0 || main_~x~0#1 - 1 < 0) || (main_#t~nondet4#1 <= main_~x~0#1 && main_#t~nondet4#1 <= main_~x~0#1 - 1);assume (main_~x~0#1 < 0 && main_~x~0#1 - 1 < 0) || main_#t~nondet4#1 >= 0;assume (main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0) || main_#t~nondet4#1 > main_~x~0#1 + (main_~x~0#1 - 1); 496#L21-4 main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 490#L18-2 [2022-11-20 11:54:45,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:45,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1810663471, now seen corresponding path program 1 times [2022-11-20 11:54:45,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:45,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407491262] [2022-11-20 11:54:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:45,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:45,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:45,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:45,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:45,207 INFO L85 PathProgramCache]: Analyzing trace with hash 39654961, now seen corresponding path program 2 times [2022-11-20 11:54:45,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:45,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635220029] [2022-11-20 11:54:45,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:45,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:45,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:45,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:45,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:45,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1954252093, now seen corresponding path program 1 times [2022-11-20 11:54:45,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:45,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631379214] [2022-11-20 11:54:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:45,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:54:45,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:54:45,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631379214] [2022-11-20 11:54:45,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631379214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:54:45,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:54:45,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:54:45,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442796014] [2022-11-20 11:54:45,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:54:45,437 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:45,437 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:45,437 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:45,438 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:45,438 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:45,438 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:45,438 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:45,438 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:45,438 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration5_Loop [2022-11-20 11:54:45,438 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:45,438 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:45,439 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 11:54:45,447 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 11:54:45,453 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 11:54:45,456 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 11:54:45,496 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:45,496 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:45,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:45,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:45,498 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:45,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:45,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:45,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-20 11:54:45,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:45,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:45,531 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:45,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:45,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:45,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-20 11:54:45,567 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:45,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:45,571 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:45,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:45,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:45,588 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:45,588 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:45,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:45,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:45,589 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:45,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration5_Loop [2022-11-20 11:54:45,589 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:45,589 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:45,590 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 11:54:45,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:45,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:45,605 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 11:54:45,607 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 11:54:45,616 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 11:54:45,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:45,662 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:45,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:45,664 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:45,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:45,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:45,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:45,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:45,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:45,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:45,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:45,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:45,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-20 11:54:45,706 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:54:45,710 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 11:54:45,710 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 11:54:45,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:45,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:45,711 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:45,715 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:54:45,715 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:54:45,715 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:54:45,715 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 11:54:45,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-20 11:54:45,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-11-20 11:54:45,719 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:54:45,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:45,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:54:45,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:45,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:54:45,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:45,823 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 11:54:45,824 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 11:54:45,824 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 91 transitions. cyclomatic complexity: 33 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:54:45,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 91 transitions. cyclomatic complexity: 33. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 152 states and 210 transitions. Complement of second has 7 states. [2022-11-20 11:54:45,882 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 11:54:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:54:45,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-11-20 11:54:45,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 5 letters. [2022-11-20 11:54:45,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:45,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 12 letters. Loop has 5 letters. [2022-11-20 11:54:45,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:45,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 10 letters. [2022-11-20 11:54:45,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:45,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 210 transitions. [2022-11-20 11:54:45,887 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-20 11:54:45,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 103 states and 142 transitions. [2022-11-20 11:54:45,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-20 11:54:45,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-20 11:54:45,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 142 transitions. [2022-11-20 11:54:45,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:45,889 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 142 transitions. [2022-11-20 11:54:45,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 142 transitions. [2022-11-20 11:54:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 87. [2022-11-20 11:54:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.367816091954023) internal successors, (119), 86 states have internal predecessors, (119), 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 11:54:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2022-11-20 11:54:45,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 119 transitions. [2022-11-20 11:54:45,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:54:45,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:54:45,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:54:45,898 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:54:46,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:54:46,029 INFO L93 Difference]: Finished difference Result 123 states and 162 transitions. [2022-11-20 11:54:46,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 123 states and 162 transitions. [2022-11-20 11:54:46,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-20 11:54:46,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 123 states to 76 states and 99 transitions. [2022-11-20 11:54:46,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-20 11:54:46,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-20 11:54:46,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 99 transitions. [2022-11-20 11:54:46,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:54:46,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 76 states and 99 transitions. [2022-11-20 11:54:46,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 99 transitions. [2022-11-20 11:54:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 58. [2022-11-20 11:54:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 57 states have internal predecessors, (77), 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 11:54:46,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2022-11-20 11:54:46,050 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 77 transitions. [2022-11-20 11:54:46,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 11:54:46,051 INFO L428 stractBuchiCegarLoop]: Abstraction has 58 states and 77 transitions. [2022-11-20 11:54:46,051 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 11:54:46,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 77 transitions. [2022-11-20 11:54:46,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 11:54:46,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:46,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:46,052 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2022-11-20 11:54:46,052 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-20 11:54:46,052 INFO L748 eck$LassoCheckResult]: Stem: 989#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 990#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 991#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 992#L18 assume !(main_~a~0#1 > 0); 1009#L21 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet4#1 := 0; 1010#L21-4 main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1005#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 985#L18 [2022-11-20 11:54:46,053 INFO L750 eck$LassoCheckResult]: Loop: 985#L18 assume !(main_~a~0#1 > 0); 986#L21 assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1); 995#L21-2 assume !(main_~x~0#1 == main_~x~0#1 - 1);main_#t~nondet4#1 := ~bitwiseAnd(main_~x~0#1, main_~x~0#1 - 1);assume (main_~x~0#1 < 0 || main_~x~0#1 - 1 < 0) || (main_#t~nondet4#1 <= main_~x~0#1 && main_#t~nondet4#1 <= main_~x~0#1 - 1);assume (main_~x~0#1 < 0 && main_~x~0#1 - 1 < 0) || main_#t~nondet4#1 >= 0;assume (main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0) || main_#t~nondet4#1 > main_~x~0#1 + (main_~x~0#1 - 1); 998#L21-4 main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1000#L18-2 assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 985#L18 [2022-11-20 11:54:46,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:46,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1811092558, now seen corresponding path program 2 times [2022-11-20 11:54:46,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:46,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662770615] [2022-11-20 11:54:46,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:46,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:54:46,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:54:46,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662770615] [2022-11-20 11:54:46,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662770615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:54:46,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:54:46,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:54:46,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446995500] [2022-11-20 11:54:46,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:54:46,097 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:54:46,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:46,097 INFO L85 PathProgramCache]: Analyzing trace with hash 55508611, now seen corresponding path program 3 times [2022-11-20 11:54:46,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:46,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508928334] [2022-11-20 11:54:46,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:46,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:46,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:46,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:46,187 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:46,187 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:46,188 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:46,188 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:46,188 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:46,188 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,188 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:46,188 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:46,188 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration6_Loop [2022-11-20 11:54:46,189 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:46,189 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:46,190 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 11:54:46,200 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 11:54:46,202 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 11:54:46,205 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 11:54:46,250 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:46,250 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:46,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,251 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:46,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:46,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-20 11:54:46,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,282 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:46,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:46,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-11-20 11:54:46,362 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:46,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,366 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:46,366 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:46,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:46,366 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:46,366 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:46,366 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,366 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:46,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:46,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration6_Loop [2022-11-20 11:54:46,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:46,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:46,368 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 11:54:46,370 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 11:54:46,379 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 11:54:46,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:46,425 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:46,425 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:46,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,427 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:46,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:46,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-20 11:54:46,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,465 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:46,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,484 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:46,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:46,485 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:46,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-20 11:54:46,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,507 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:46,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:46,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-20 11:54:46,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,538 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-20 11:54:46,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:46,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:46,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2022-11-20 11:54:46,568 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-20 11:54:46,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,569 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-20 11:54:46,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,583 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:46,583 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:46,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2022-11-20 11:54:46,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,592 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-20 11:54:46,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,605 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:46,605 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:46,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:46,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2022-11-20 11:54:46,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,623 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-11-20 11:54:46,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,638 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:46,638 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:46,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,644 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-11-20 11:54:46,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,657 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:46,657 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:46,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2022-11-20 11:54:46,663 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-20 11:54:46,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,664 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-11-20 11:54:46,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,680 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:46,681 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:46,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2022-11-20 11:54:46,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,699 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,703 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 11:54:46,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-11-20 11:54:46,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,717 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:46,717 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:46,718 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:54:46,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,741 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,760 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:46,761 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:46,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-11-20 11:54:46,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,785 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-11-20 11:54:46,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:46,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,799 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:46,800 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:46,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2022-11-20 11:54:46,806 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-20 11:54:46,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,807 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-11-20 11:54:46,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,820 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:46,820 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:46,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,826 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-11-20 11:54:46,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,840 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:46,840 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:46,842 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-20 11:54:46,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2022-11-20 11:54:46,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,851 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-11-20 11:54:46,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:46,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,865 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:46,865 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:46,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,884 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:46,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:46,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,905 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:46,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-11-20 11:54:46,907 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:46,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,913 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-20 11:54:46,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,914 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-11-20 11:54:46,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:46,935 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:46,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:46,936 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:46,936 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:46,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:46,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:46,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:46,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:46,960 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:46,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:46,976 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:46,976 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:46,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:46,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:46,977 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:46,977 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:46,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-11-20 11:54:46,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:46,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:46,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,004 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:47,020 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,021 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:47,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,021 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:47,022 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:47,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-11-20 11:54:47,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,048 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,064 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,064 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:47,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,064 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 11:54:47,065 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 11:54:47,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-11-20 11:54:47,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,086 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-20 11:54:47,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,088 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-11-20 11:54:47,104 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,104 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:47,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,105 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:47,105 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:47,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,113 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-11-20 11:54:47,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,126 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,126 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:47,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,127 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:47,127 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:47,128 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:54:47,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,143 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-11-20 11:54:47,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,156 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,156 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:47,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,156 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:47,157 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:47,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,169 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-11-20 11:54:47,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:47,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,182 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 11:54:47,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,183 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:47,184 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:47,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,212 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-20 11:54:47,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,213 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:47,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-11-20 11:54:47,231 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,231 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:47,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,231 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:47,232 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:47,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,241 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-11-20 11:54:47,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,254 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:47,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,255 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:47,255 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:47,261 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-20 11:54:47,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,294 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,310 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,310 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:47,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,311 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:47,312 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:47,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-11-20 11:54:47,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,341 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,360 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,360 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:47,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,361 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 11:54:47,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-11-20 11:54:47,363 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 11:54:47,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,386 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-20 11:54:47,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,388 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,408 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,408 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:47,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,408 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:47,409 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:47,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-11-20 11:54:47,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,424 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:47,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-11-20 11:54:47,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,441 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:47,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,441 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:47,441 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:47,443 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:54:47,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,468 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:54:47,484 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,484 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:47,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,485 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:47,486 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:47,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-11-20 11:54:47,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,520 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-11-20 11:54:47,535 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,535 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 11:54:47,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,535 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 11:54:47,537 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 11:54:47,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,543 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-20 11:54:47,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,545 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-11-20 11:54:47,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,561 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,561 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:47,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,561 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:47,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:47,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2022-11-20 11:54:47,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,570 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-11-20 11:54:47,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,583 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,584 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:47,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,584 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 11:54:47,584 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:47,586 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 11:54:47,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,603 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-11-20 11:54:47,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,616 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,616 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:47,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,617 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:47,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:47,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2022-11-20 11:54:47,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:47,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:47,630 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:47,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-11-20 11:54:47,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 11:54:47,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 11:54:47,643 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 11:54:47,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:47,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:47,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:47,644 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 11:54:47,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:54:47,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:47,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:47,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2022-11-20 11:54:47,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:54:47,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:54:47,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:54:47,669 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. cyclomatic complexity: 25 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:54:47,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:54:47,695 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-20 11:54:47,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 43 transitions. [2022-11-20 11:54:47,696 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:54:47,696 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2022-11-20 11:54:47,696 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 11:54:47,696 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 11:54:47,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 11:54:47,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:54:47,697 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:54:47,697 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:54:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:54:47,699 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:54:47,699 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 11:54:47,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:54:47,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:54:47,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 11:54:47,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:54:47 BoogieIcfgContainer [2022-11-20 11:54:47,709 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:54:47,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:54:47,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:54:47,710 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:54:47,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:38" (3/4) ... [2022-11-20 11:54:47,713 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:54:47,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:54:47,714 INFO L158 Benchmark]: Toolchain (without parser) took 9970.86ms. Allocated memory was 148.9MB in the beginning and 251.7MB in the end (delta: 102.8MB). Free memory was 116.9MB in the beginning and 80.6MB in the end (delta: 36.3MB). Peak memory consumption was 142.2MB. Max. memory is 16.1GB. [2022-11-20 11:54:47,714 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:54:47,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.03ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 108.0MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:54:47,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.73ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 106.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:54:47,715 INFO L158 Benchmark]: Boogie Preprocessor took 39.92ms. Allocated memory is still 148.9MB. Free memory was 106.4MB in the beginning and 105.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:54:47,716 INFO L158 Benchmark]: RCFGBuilder took 304.52ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 95.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:54:47,719 INFO L158 Benchmark]: BuchiAutomizer took 9313.93ms. Allocated memory was 148.9MB in the beginning and 251.7MB in the end (delta: 102.8MB). Free memory was 95.4MB in the beginning and 80.6MB in the end (delta: 14.8MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2022-11-20 11:54:47,719 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 251.7MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:54:47,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.03ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 108.0MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.73ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 106.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.92ms. Allocated memory is still 148.9MB. Free memory was 106.4MB in the beginning and 105.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.52ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 95.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 9313.93ms. Allocated memory was 148.9MB in the beginning and 251.7MB in the end (delta: 102.8MB). Free memory was 95.4MB in the beginning and 80.6MB in the end (delta: 14.8MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 251.7MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (3 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 7 locations. One deterministic module has 2-phase ranking function (if x > 0 then 1 else 0), (if x > 0 then x else -1 * x) and consists of 6 locations. One deterministic module has affine ranking function a and consists of 4 locations. One deterministic module has affine ranking function x and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.2s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 7.6s. Construction of modules took 0.2s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 60 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 203 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 78 mSDtfsCounter, 203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT1 SILN0 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp70 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf96 smp98 dnf142 smp79 tf109 neg96 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 74ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 11:54:47,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:47,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df24ec51-c985-4a62-a5f9-d828ee889561/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 Writing output log to file Ultimate.log Result: TRUE