./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX --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 8dd5f6931770ddb4b9cf8eb898fe5864af65999ea8d319a841184b1f7adb29d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:46:13,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:46:13,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:46:14,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:46:14,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:46:14,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:46:14,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:46:14,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:46:14,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:46:14,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:46:14,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:46:14,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:46:14,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:46:14,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:46:14,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:46:14,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:46:14,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:46:14,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:46:14,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:46:14,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:46:14,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:46:14,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:46:14,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:46:14,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:46:14,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:46:14,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:46:14,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:46:14,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:46:14,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:46:14,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:46:14,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:46:14,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:46:14,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:46:14,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:46:14,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:46:14,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:46:14,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:46:14,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:46:14,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:46:14,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:46:14,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:46:14,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-09 08:46:14,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:46:14,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:46:14,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:46:14,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:46:14,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:46:14,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:46:14,136 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:46:14,136 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 08:46:14,137 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 08:46:14,137 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 08:46:14,137 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 08:46:14,137 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 08:46:14,138 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 08:46:14,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:46:14,138 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:46:14,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:46:14,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:46:14,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 08:46:14,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 08:46:14,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 08:46:14,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:46:14,140 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 08:46:14,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:46:14,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 08:46:14,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:46:14,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:46:14,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:46:14,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:46:14,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:46:14,144 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 08:46:14,144 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_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dd5f6931770ddb4b9cf8eb898fe5864af65999ea8d319a841184b1f7adb29d2 [2021-11-09 08:46:14,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:46:14,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:46:14,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:46:14,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:46:14,586 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:46:14,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i [2021-11-09 08:46:14,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/data/e87171a71/400350525f1b4ec0bb7d1c6023961ab6/FLAGa661f18bf [2021-11-09 08:46:15,403 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:46:15,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i [2021-11-09 08:46:15,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/data/e87171a71/400350525f1b4ec0bb7d1c6023961ab6/FLAGa661f18bf [2021-11-09 08:46:15,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/data/e87171a71/400350525f1b4ec0bb7d1c6023961ab6 [2021-11-09 08:46:15,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:46:15,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:46:15,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:46:15,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:46:15,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:46:15,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492968e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15, skipping insertion in model container [2021-11-09 08:46:15,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:46:15,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:46:16,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:46:16,238 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:46:16,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:46:16,347 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:46:16,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16 WrapperNode [2021-11-09 08:46:16,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:46:16,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:46:16,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:46:16,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:46:16,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:46:16,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:46:16,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:46:16,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:46:16,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:46:16,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:46:16,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:46:16,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:46:16,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (1/1) ... [2021-11-09 08:46:16,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:16,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:16,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:16,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 08:46:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:46:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:46:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:46:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:46:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:46:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:46:16,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:46:16,983 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-09 08:46:16,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:46:16 BoogieIcfgContainer [2021-11-09 08:46:16,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:46:16,987 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 08:46:16,987 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 08:46:16,991 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 08:46:16,992 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:46:16,992 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 08:46:15" (1/3) ... [2021-11-09 08:46:16,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1919e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:46:16, skipping insertion in model container [2021-11-09 08:46:16,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:46:16,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:16" (2/3) ... [2021-11-09 08:46:16,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1919e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:46:16, skipping insertion in model container [2021-11-09 08:46:16,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:46:16,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:46:16" (3/3) ... [2021-11-09 08:46:16,997 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrspn_mixed_alloca.i [2021-11-09 08:46:17,097 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 08:46:17,099 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 08:46:17,100 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 08:46:17,100 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 08:46:17,100 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 08:46:17,101 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 08:46:17,101 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 08:46:17,101 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 08:46:17,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-11-09 08:46:17,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-09 08:46:17,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:46:17,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:46:17,170 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 08:46:17,170 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:46:17,171 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 08:46:17,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-11-09 08:46:17,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-09 08:46:17,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:46:17,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:46:17,177 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 08:46:17,177 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:46:17,186 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 17#L382true assume !(main_~length1~0 < 1); 15#L382-2true assume !(main_~length2~0 < 1); 6#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 10#L369-4true [2021-11-09 08:46:17,187 INFO L793 eck$LassoCheckResult]: Loop: 10#L369-4true call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 16#L369-1true assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 8#L372-5true assume !true; 7#L372-6true call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 18#L374true assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 11#L369-3true cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 10#L369-4true [2021-11-09 08:46:17,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:17,202 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-11-09 08:46:17,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:17,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944588430] [2021-11-09 08:46:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:17,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:17,417 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:17,523 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:17,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:17,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-11-09 08:46:17,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:17,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795846849] [2021-11-09 08:46:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:17,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:17,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:46:17,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795846849] [2021-11-09 08:46:17,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795846849] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:46:17,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:46:17,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:46:17,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612697714] [2021-11-09 08:46:17,627 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:46:17,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:46:17,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:46:17,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:46:17,653 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2021-11-09 08:46:17,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:46:17,662 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-09 08:46:17,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:46:17,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-11-09 08:46:17,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-09 08:46:17,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-11-09 08:46:17,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-09 08:46:17,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-09 08:46:17,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-11-09 08:46:17,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:46:17,678 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-11-09 08:46:17,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-11-09 08:46:17,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-09 08:46:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-11-09 08:46:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-11-09 08:46:17,712 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-11-09 08:46:17,712 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-11-09 08:46:17,713 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 08:46:17,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-11-09 08:46:17,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-09 08:46:17,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:46:17,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:46:17,717 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 08:46:17,717 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:46:17,718 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 45#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 52#L382 assume !(main_~length1~0 < 1); 56#L382-2 assume !(main_~length2~0 < 1); 46#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 47#L369-4 [2021-11-09 08:46:17,718 INFO L793 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 53#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 50#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 51#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 55#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 48#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 49#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 54#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 47#L369-4 [2021-11-09 08:46:17,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:17,720 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-11-09 08:46:17,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:17,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848297615] [2021-11-09 08:46:17,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:17,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:17,772 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:17,799 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:17,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:17,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-11-09 08:46:17,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:17,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162872896] [2021-11-09 08:46:17,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:17,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:17,820 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:17,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:17,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:17,852 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-11-09 08:46:17,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:17,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144022082] [2021-11-09 08:46:17,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:17,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:17,942 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:18,027 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:19,370 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:46:19,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:46:19,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:46:19,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:46:19,371 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:46:19,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:19,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:46:19,372 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:46:19,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration2_Lasso [2021-11-09 08:46:19,373 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:46:19,373 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:46:19,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:19,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:20,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:20,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:20,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:20,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:20,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:20,803 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:46:20,809 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:46:20,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:20,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:20,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:20,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:20,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:20,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:20,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:20,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:20,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:20,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:20,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:20,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 08:46:20,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:20,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:20,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:20,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:20,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:20,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:20,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 08:46:20,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:20,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:20,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:20,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:20,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:20,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:20,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:20,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:20,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:20,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:20,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:20,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 08:46:20,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:20,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:20,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:20,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:20,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:20,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:20,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:20,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:20,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-09 08:46:21,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 08:46:21,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:21,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:21,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:21,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:21,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,104 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:21,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 08:46:21,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:21,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:21,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,211 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:21,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:21,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:21,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:21,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 08:46:21,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,300 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 08:46:21,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:21,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:21,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:21,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:21,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,349 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 08:46:21,356 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 [2021-11-09 08:46:21,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:21,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:21,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:21,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,399 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 08:46:21,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:21,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:21,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:21,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:21,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,464 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 08:46:21,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:21,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:21,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:21,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:21,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,527 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 08:46:21,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:21,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:21,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:21,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:21,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,567 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 08:46:21,572 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 [2021-11-09 08:46:21,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:21,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:21,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:21,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,626 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 08:46:21,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:21,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:21,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:21,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,703 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 08:46:21,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:21,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:21,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:21,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:21,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:21,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,796 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,805 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 [2021-11-09 08:46:21,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:21,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:21,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:21,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:21,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 08:46:21,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:21,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:21,863 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:46:21,903 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-09 08:46:21,904 INFO L444 ModelExtractionUtils]: 18 out of 49 variables were initially zero. Simplification set additionally 28 variables to zero. [2021-11-09 08:46:21,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:21,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,907 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 08:46:21,936 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:46:21,970 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:46:21,970 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:46:21,971 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1, ULTIMATE.start_cstrspn_~sc1~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1 - 1*ULTIMATE.start_cstrspn_~sc1~0.offset Supporting invariants [] [2021-11-09 08:46:22,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:22,071 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-11-09 08:46:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:22,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 08:46:22,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:22,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 08:46:22,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:22,394 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-09 08:46:22,395 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:22,477 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2021-11-09 08:46:22,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 08:46:22,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-11-09 08:46:22,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-11-09 08:46:22,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:22,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-11-09 08:46:22,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:22,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-11-09 08:46:22,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:22,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-11-09 08:46:22,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 08:46:22,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-11-09 08:46:22,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-09 08:46:22,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-09 08:46:22,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-11-09 08:46:22,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:46:22,495 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-09 08:46:22,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-11-09 08:46:22,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-09 08:46:22,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-11-09 08:46:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-11-09 08:46:22,499 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-09 08:46:22,499 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-09 08:46:22,499 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 08:46:22,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-11-09 08:46:22,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 08:46:22,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:46:22,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:46:22,506 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:46:22,507 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 08:46:22,507 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 179#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 188#L382 assume !(main_~length1~0 < 1); 195#L382-2 assume !(main_~length2~0 < 1); 180#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 181#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 190#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 184#L372-5 [2021-11-09 08:46:22,507 INFO L793 eck$LassoCheckResult]: Loop: 184#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 185#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 193#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, cstrspn_#t~post211.offset - 1;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 184#L372-5 [2021-11-09 08:46:22,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:22,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-11-09 08:46:22,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:22,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018788305] [2021-11-09 08:46:22,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:22,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:22,555 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:22,605 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:22,606 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-11-09 08:46:22,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:22,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141355298] [2021-11-09 08:46:22,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:22,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:22,622 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:22,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-11-09 08:46:22,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:22,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517983269] [2021-11-09 08:46:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:22,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:22,715 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:22,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:22,783 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:23,909 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:46:23,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:46:23,910 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:46:23,910 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:46:23,910 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:46:23,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:23,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:46:23,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:46:23,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration3_Lasso [2021-11-09 08:46:23,910 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:46:23,910 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:46:23,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:23,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:24,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:24,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:25,446 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:46:25,446 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:46:25,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,453 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 08:46:25,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:25,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:25,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:25,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:25,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:25,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,506 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 08:46:25,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:25,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:25,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:25,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:25,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:25,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,551 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-09 08:46:25,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:25,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:25,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:25,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:25,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:25,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,594 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-09 08:46:25,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:25,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:25,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:25,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:25,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,679 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:25,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:25,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:25,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-09 08:46:25,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:25,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-09 08:46:25,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,752 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-09 08:46:25,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:25,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:25,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:25,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:25,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-09 08:46:25,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,790 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-09 08:46:25,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:25,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:25,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:25,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-09 08:46:25,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,864 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-09 08:46:25,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:25,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:25,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:25,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-09 08:46:25,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,923 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-09 08:46:25,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:25,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:25,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:25,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:25,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-09 08:46:25,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:25,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:25,964 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:25,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-09 08:46:25,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:25,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:25,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:25,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:25,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:25,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:25,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:25,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:25,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-09 08:46:26,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,001 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-09 08:46:26,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:26,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:26,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:26,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:26,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,041 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-09 08:46:26,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:26,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:26,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:26,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:26,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,081 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-09 08:46:26,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:26,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:26,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:26,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-09 08:46:26,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,120 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-09 08:46:26,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:26,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:26,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:26,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:26,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,178 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-09 08:46:26,181 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 [2021-11-09 08:46:26,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:26,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:26,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:26,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-09 08:46:26,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,222 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-09 08:46:26,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:26,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:26,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:26,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:26,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,260 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-09 08:46:26,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:26,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:26,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-09 08:46:26,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,322 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-09 08:46:26,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:26,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:26,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-09 08:46:26,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,364 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:26,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:26,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-09 08:46:26,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:26,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,444 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-09 08:46:26,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:26,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:26,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:26,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,546 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-09 08:46:26,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,564 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-09 08:46:26,564 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-11-09 08:46:26,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,648 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2021-11-09 08:46:26,648 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-09 08:46:26,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-09 08:46:26,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,835 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-09 08:46:26,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:26,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:26,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:26,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:26,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:26,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:26,922 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:26,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:26,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:26,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:26,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:26,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:26,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-09 08:46:26,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:26,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:27,007 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:46:27,080 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-11-09 08:46:27,080 INFO L444 ModelExtractionUtils]: 28 out of 55 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-11-09 08:46:27,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:27,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:27,088 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:27,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-09 08:46:27,089 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:46:27,099 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:46:27,099 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:46:27,100 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1, ULTIMATE.start_cstrspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1 + 2*ULTIMATE.start_cstrspn_~s~0.offset Supporting invariants [] [2021-11-09 08:46:27,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:27,224 INFO L297 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2021-11-09 08:46:27,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:27,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 08:46:27,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:27,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-09 08:46:27,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:27,407 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-09 08:46:27,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:27,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2021-11-09 08:46:27,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 08:46:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-09 08:46:27,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-09 08:46:27,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:27,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-11-09 08:46:27,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:27,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-11-09 08:46:27,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:27,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-11-09 08:46:27,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 08:46:27,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-11-09 08:46:27,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-09 08:46:27,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-09 08:46:27,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-11-09 08:46:27,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:46:27,489 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-11-09 08:46:27,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-11-09 08:46:27,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-11-09 08:46:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-11-09 08:46:27,496 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-11-09 08:46:27,496 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-11-09 08:46:27,496 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 08:46:27,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-11-09 08:46:27,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 08:46:27,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:46:27,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:46:27,499 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:46:27,499 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 08:46:27,501 INFO L791 eck$LassoCheckResult]: Stem: 382#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 383#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 392#L382 assume !(main_~length1~0 < 1); 401#L382-2 assume !(main_~length2~0 < 1); 384#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 385#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 393#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 402#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 405#L372-1 assume !cstrspn_#t~short210; 403#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 386#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 387#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 397#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 394#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 396#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 388#L372-5 [2021-11-09 08:46:27,501 INFO L793 eck$LassoCheckResult]: Loop: 388#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 389#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 398#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, cstrspn_#t~post211.offset - 1;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 388#L372-5 [2021-11-09 08:46:27,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:27,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-11-09 08:46:27,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:27,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335038680] [2021-11-09 08:46:27,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:27,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:27,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:27,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:46:27,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335038680] [2021-11-09 08:46:27,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335038680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:46:27,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:46:27,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:46:27,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977351080] [2021-11-09 08:46:27,616 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 08:46:27,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:27,617 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-11-09 08:46:27,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:27,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41822431] [2021-11-09 08:46:27,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:27,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:27,627 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:27,640 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:27,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:46:27,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:46:27,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:46:27,787 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2021-11-09 08:46:27,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:46:27,888 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-11-09 08:46:27,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 08:46:27,889 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-11-09 08:46:27,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-09 08:46:27,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2021-11-09 08:46:27,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-09 08:46:27,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-09 08:46:27,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-11-09 08:46:27,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:46:27,897 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-09 08:46:27,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-11-09 08:46:27,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-11-09 08:46:27,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-11-09 08:46:27,907 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-11-09 08:46:27,907 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-11-09 08:46:27,907 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-09 08:46:27,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-11-09 08:46:27,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 08:46:27,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:46:27,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:46:27,911 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:46:27,911 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 08:46:27,911 INFO L791 eck$LassoCheckResult]: Stem: 454#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 455#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 464#L382 assume !(main_~length1~0 < 1); 473#L382-2 assume !(main_~length2~0 < 1); 456#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 457#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 465#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 478#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 477#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 475#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 458#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 459#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 469#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 466#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 468#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 460#L372-5 [2021-11-09 08:46:27,911 INFO L793 eck$LassoCheckResult]: Loop: 460#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 461#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 470#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, cstrspn_#t~post211.offset - 1;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 460#L372-5 [2021-11-09 08:46:27,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-11-09 08:46:27,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:27,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146395919] [2021-11-09 08:46:27,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:27,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:27,957 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:27,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:27,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:27,997 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-11-09 08:46:27,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:27,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806309852] [2021-11-09 08:46:27,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:27,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:28,003 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:28,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:28,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:28,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-11-09 08:46:28,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:28,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591118825] [2021-11-09 08:46:28,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:28,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:28,030 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:28,057 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:28,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:29,914 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:46:29,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:46:29,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:46:29,915 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:46:29,915 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:46:29,915 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:29,915 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:46:29,915 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:46:29,915 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration5_Lasso [2021-11-09 08:46:29,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:46:29,915 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:46:29,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:29,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:31,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:46:32,532 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:46:32,532 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:46:32,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,541 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:32,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-09 08:46:32,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:32,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:32,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:32,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:32,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,605 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-09 08:46:32,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:32,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:32,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:32,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:32,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-09 08:46:32,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,645 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-09 08:46:32,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:32,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:32,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:32,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-09 08:46:32,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,688 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-09 08:46:32,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:32,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:32,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:32,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:32,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-09 08:46:32,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,728 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-09 08:46:32,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:32,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:32,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:32,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:32,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,768 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-09 08:46:32,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:32,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:32,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:32,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:32,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:32,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,806 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-09 08:46:32,807 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 [2021-11-09 08:46:32,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:32,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:32,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:32,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:32,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,843 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-09 08:46:32,844 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 [2021-11-09 08:46:32,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:32,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:32,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:32,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-09 08:46:32,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,896 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-09 08:46:32,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:32,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:32,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:32,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:32,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-09 08:46:32,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,936 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-09 08:46:32,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:32,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:32,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:32,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:32,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:32,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:32,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:32,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:32,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:32,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-09 08:46:32,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:32,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:32,992 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:32,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-09 08:46:32,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:33,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:33,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-09 08:46:33,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,038 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-09 08:46:33,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:33,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:33,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:33,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-09 08:46:33,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,075 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-09 08:46:33,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:33,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:33,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:33,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-09 08:46:33,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,114 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-09 08:46:33,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:33,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:33,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:33,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:33,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,151 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-09 08:46:33,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:33,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:33,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:33,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:33,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,186 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-09 08:46:33,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:33,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:33,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:33,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-09 08:46:33,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,222 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-09 08:46:33,223 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 [2021-11-09 08:46:33,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:46:33,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:46:33,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:46:33,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:33,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,259 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-09 08:46:33,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:33,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:33,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-09 08:46:33,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,299 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-09 08:46:33,300 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 [2021-11-09 08:46:33,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:33,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:33,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-09 08:46:33,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,346 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-09 08:46:33,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:33,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:33,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-09 08:46:33,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,384 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-09 08:46:33,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:33,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:33,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:33,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,438 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-09 08:46:33,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:33,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:33,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-09 08:46:33,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,475 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-09 08:46:33,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,485 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-11-09 08:46:33,485 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-11-09 08:46:33,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,592 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2021-11-09 08:46:33,592 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-09 08:46:33,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:33,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,902 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:33,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:33,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:33,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-09 08:46:33,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:46:33,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:33,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:33,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:33,980 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:33,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:46:33,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:46:33,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:46:33,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:46:33,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:46:34,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-09 08:46:34,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:46:34,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:46:34,047 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:46:34,131 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-11-09 08:46:34,131 INFO L444 ModelExtractionUtils]: 20 out of 58 variables were initially zero. Simplification set additionally 35 variables to zero. [2021-11-09 08:46:34,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:46:34,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:34,136 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:34,141 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:46:34,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-09 08:46:34,172 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:46:34,172 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:46:34,172 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_3, ULTIMATE.start_cstrspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_3 + 2*ULTIMATE.start_cstrspn_~s~0.offset Supporting invariants [] [2021-11-09 08:46:34,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:34,385 INFO L297 tatePredicateManager]: 30 out of 32 supporting invariants were superfluous and have been removed [2021-11-09 08:46:34,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:34,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 08:46:34,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:34,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-09 08:46:34,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:34,692 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-09 08:46:34,693 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-11-09 08:46:34,757 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 6 states. [2021-11-09 08:46:34,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 08:46:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-11-09 08:46:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-09 08:46:34,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-11-09 08:46:34,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:34,759 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-09 08:46:34,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:34,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 08:46:34,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:34,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-09 08:46:34,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:35,022 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-09 08:46:35,022 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-11-09 08:46:35,079 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 6 states. [2021-11-09 08:46:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 08:46:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-11-09 08:46:35,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-09 08:46:35,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-11-09 08:46:35,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:35,082 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-09 08:46:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:35,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 08:46:35,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:35,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:35,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-09 08:46:35,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:35,392 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-09 08:46:35,392 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-11-09 08:46:35,447 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 41 states and 53 transitions. Complement of second has 5 states. [2021-11-09 08:46:35,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 08:46:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-11-09 08:46:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-11-09 08:46:35,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-11-09 08:46:35,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:35,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-11-09 08:46:35,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:35,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-11-09 08:46:35,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:46:35,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2021-11-09 08:46:35,453 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:46:35,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-11-09 08:46:35,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 08:46:35,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 08:46:35,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 08:46:35,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:46:35,454 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:46:35,454 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:46:35,455 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:46:35,455 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-09 08:46:35,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 08:46:35,455 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:46:35,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 08:46:35,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 08:46:35 BoogieIcfgContainer [2021-11-09 08:46:35,463 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 08:46:35,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:46:35,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:46:35,464 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:46:35,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:46:16" (3/4) ... [2021-11-09 08:46:35,468 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:46:35,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:46:35,470 INFO L168 Benchmark]: Toolchain (without parser) took 19811.34 ms. Allocated memory was 121.6 MB in the beginning and 172.0 MB in the end (delta: 50.3 MB). Free memory was 84.6 MB in the beginning and 125.2 MB in the end (delta: -40.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:35,471 INFO L168 Benchmark]: CDTParser took 1.72 ms. Allocated memory is still 121.6 MB. Free memory was 101.9 MB in the beginning and 101.8 MB in the end (delta: 64.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:46:35,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.35 ms. Allocated memory is still 121.6 MB. Free memory was 84.4 MB in the beginning and 90.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:35,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.31 ms. Allocated memory is still 121.6 MB. Free memory was 90.5 MB in the beginning and 88.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:35,472 INFO L168 Benchmark]: Boogie Preprocessor took 63.18 ms. Allocated memory is still 121.6 MB. Free memory was 88.4 MB in the beginning and 87.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:46:35,472 INFO L168 Benchmark]: RCFGBuilder took 514.11 ms. Allocated memory is still 121.6 MB. Free memory was 87.0 MB in the beginning and 75.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:35,473 INFO L168 Benchmark]: BuchiAutomizer took 18476.20 ms. Allocated memory was 121.6 MB in the beginning and 172.0 MB in the end (delta: 50.3 MB). Free memory was 75.4 MB in the beginning and 125.2 MB in the end (delta: -49.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:35,473 INFO L168 Benchmark]: Witness Printer took 4.99 ms. Allocated memory is still 172.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:46:35,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72 ms. Allocated memory is still 121.6 MB. Free memory was 101.9 MB in the beginning and 101.8 MB in the end (delta: 64.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 688.35 ms. Allocated memory is still 121.6 MB. Free memory was 84.4 MB in the beginning and 90.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.31 ms. Allocated memory is still 121.6 MB. Free memory was 90.5 MB in the beginning and 88.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.18 ms. Allocated memory is still 121.6 MB. Free memory was 88.4 MB in the beginning and 87.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 514.11 ms. Allocated memory is still 121.6 MB. Free memory was 87.0 MB in the beginning and 75.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 18476.20 ms. Allocated memory was 121.6 MB in the beginning and 172.0 MB in the end (delta: 50.3 MB). Free memory was 75.4 MB in the beginning and 125.2 MB in the end (delta: -49.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.99 ms. Allocated memory is still 172.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString2] + 2 * s and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + 2 * s and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.4s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 16.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 105 SDtfs, 122 SDslu, 72 SDs, 0 SdLazy, 103 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital283 mio100 ax100 hnf100 lsp106 ukn85 mio100 lsp39 div114 bol100 ite100 ukn100 eq181 hnf84 smp96 dnf505 smp28 tf100 neg98 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 383ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-09 08:46:35,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1d7f5c3-3a2e-4a4a-b636-a2980769aada/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE