./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt --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 eec7850a55859668859d25c9503478e74955da1a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:04:42,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:04:42,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:04:42,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:04:42,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:04:42,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:04:42,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:04:42,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:04:42,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:04:42,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:04:42,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:04:42,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:04:42,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:04:42,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:04:42,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:04:42,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:04:42,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:04:42,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:04:42,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:04:42,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:04:42,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:04:42,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:04:42,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:04:42,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:04:42,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:04:42,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:04:42,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:04:42,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:04:42,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:04:42,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:04:42,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:04:42,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:04:42,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:04:42,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:04:42,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:04:42,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:04:42,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:04:42,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:04:42,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:04:42,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:04:42,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:04:42,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:04:42,598 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:04:42,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:04:42,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:04:42,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:04:42,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:04:42,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:04:42,601 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:04:42,601 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:04:42,601 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:04:42,601 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:04:42,602 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:04:42,602 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:04:42,602 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:04:42,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:04:42,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:04:42,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:04:42,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:04:42,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:04:42,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:04:42,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:04:42,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:04:42,604 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:04:42,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:04:42,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:04:42,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:04:42,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:04:42,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:04:42,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:04:42,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:04:42,606 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:04:42,607 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_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec7850a55859668859d25c9503478e74955da1a [2021-10-13 00:04:42,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:04:42,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:04:42,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:04:42,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:04:42,878 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:04:42,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2021-10-13 00:04:42,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/data/b96e2d07a/94985efc07514498a7532b82839449bf/FLAG4b413e6a0 [2021-10-13 00:04:43,391 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:04:43,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2021-10-13 00:04:43,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/data/b96e2d07a/94985efc07514498a7532b82839449bf/FLAG4b413e6a0 [2021-10-13 00:04:43,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/data/b96e2d07a/94985efc07514498a7532b82839449bf [2021-10-13 00:04:43,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:04:43,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:04:43,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:04:43,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:04:43,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:04:43,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:04:43" (1/1) ... [2021-10-13 00:04:43,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e8f131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:43, skipping insertion in model container [2021-10-13 00:04:43,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:04:43" (1/1) ... [2021-10-13 00:04:43,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:04:43,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:04:43,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:04:43,992 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:04:44,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:04:44,036 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:04:44,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44 WrapperNode [2021-10-13 00:04:44,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:04:44,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:04:44,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:04:44,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:04:44,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:04:44,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:04:44,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:04:44,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:04:44,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:04:44,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:04:44,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:04:44,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:04:44,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (1/1) ... [2021-10-13 00:04:44,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:44,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:44,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:44,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:04:44,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:04:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:04:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:04:44,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:04:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:04:44,523 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:04:44,524 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-13 00:04:44,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:04:44 BoogieIcfgContainer [2021-10-13 00:04:44,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:04:44,526 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:04:44,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:04:44,530 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:04:44,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:04:44,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:04:43" (1/3) ... [2021-10-13 00:04:44,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@518d1857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:04:44, skipping insertion in model container [2021-10-13 00:04:44,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:04:44,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:04:44" (2/3) ... [2021-10-13 00:04:44,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@518d1857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:04:44, skipping insertion in model container [2021-10-13 00:04:44,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:04:44,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:04:44" (3/3) ... [2021-10-13 00:04:44,535 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrpbrk.c [2021-10-13 00:04:44,595 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:04:44,595 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:04:44,595 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:04:44,595 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:04:44,595 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:04:44,595 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:04:44,596 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:04:44,596 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:04:44,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:44,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 00:04:44,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:04:44,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:04:44,643 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:04:44,643 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:04:44,643 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:04:44,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:44,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 00:04:44,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:04:44,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:04:44,647 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:04:44,648 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:04:44,655 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 10#L14true assume !(build_nondet_String_~length~0 < 1); 19#L14-2true call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 18#L19true main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 11#L14-3true assume build_nondet_String_~length~0 < 1;build_nondet_String_~length~0 := 1; 15#L14-5true call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 7#L19-1true main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 16#L31-4true [2021-10-13 00:04:44,655 INFO L793 eck$LassoCheckResult]: Loop: 16#L31-4true call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 17#L31-1true assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 13#L34-5true assume !true; 5#L34-6true call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 9#L36true assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 12#L31-3true cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 16#L31-4true [2021-10-13 00:04:44,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:44,660 INFO L82 PathProgramCache]: Analyzing trace with hash 176610378, now seen corresponding path program 1 times [2021-10-13 00:04:44,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:44,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226310292] [2021-10-13 00:04:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:44,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:44,775 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:44,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:44,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:44,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1602834410, now seen corresponding path program 1 times [2021-10-13 00:04:44,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:44,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334298517] [2021-10-13 00:04:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:44,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:04:44,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:04:44,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334298517] [2021-10-13 00:04:44,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334298517] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:04:44,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:04:44,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:04:44,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88331197] [2021-10-13 00:04:44,887 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:04:44,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:04:44,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:04:44,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:04:44,911 INFO L87 Difference]: Start difference. First operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-10-13 00:04:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:04:44,917 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2021-10-13 00:04:44,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:04:44,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2021-10-13 00:04:44,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 00:04:44,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 20 transitions. [2021-10-13 00:04:44,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-13 00:04:44,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-13 00:04:44,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2021-10-13 00:04:44,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:04:44,926 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-13 00:04:44,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2021-10-13 00:04:44,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-13 00:04:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-10-13 00:04:44,958 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-13 00:04:44,958 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-13 00:04:44,958 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:04:44,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-10-13 00:04:44,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 00:04:44,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:04:44,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:04:44,960 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:04:44,960 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:04:44,960 INFO L791 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 51#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 57#L14 assume !(build_nondet_String_~length~0 < 1); 58#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 65#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 59#L14-3 assume build_nondet_String_~length~0 < 1;build_nondet_String_~length~0 := 1; 60#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 54#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 55#L31-4 [2021-10-13 00:04:44,961 INFO L793 eck$LassoCheckResult]: Loop: 55#L31-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 64#L31-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 61#L34-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 62#L34-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 63#L34-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 52#L34-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 53#L36 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 56#L31-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 55#L31-4 [2021-10-13 00:04:44,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:44,962 INFO L82 PathProgramCache]: Analyzing trace with hash 176610378, now seen corresponding path program 2 times [2021-10-13 00:04:44,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:44,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568177458] [2021-10-13 00:04:44,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:44,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:44,999 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:45,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:45,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:45,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1952985167, now seen corresponding path program 1 times [2021-10-13 00:04:45,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:45,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413146606] [2021-10-13 00:04:45,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:45,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:45,048 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:45,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:45,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:45,066 INFO L82 PathProgramCache]: Analyzing trace with hash -955886854, now seen corresponding path program 1 times [2021-10-13 00:04:45,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:45,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668514913] [2021-10-13 00:04:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:45,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:04:45,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:04:45,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668514913] [2021-10-13 00:04:45,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668514913] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:04:45,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:04:45,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-13 00:04:45,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627679966] [2021-10-13 00:04:45,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:04:45,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 00:04:45,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:04:45,685 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 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) [2021-10-13 00:04:45,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:04:45,988 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2021-10-13 00:04:45,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:04:45,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2021-10-13 00:04:45,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2021-10-13 00:04:45,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 31 states and 38 transitions. [2021-10-13 00:04:45,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-10-13 00:04:45,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-10-13 00:04:45,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-10-13 00:04:45,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:04:45,999 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-13 00:04:45,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-10-13 00:04:46,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-10-13 00:04:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 28 states have internal predecessors, (36), 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) [2021-10-13 00:04:46,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-10-13 00:04:46,007 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-13 00:04:46,011 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-13 00:04:46,011 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:04:46,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2021-10-13 00:04:46,016 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2021-10-13 00:04:46,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:04:46,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:04:46,017 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:04:46,017 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:04:46,018 INFO L791 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 127#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 132#L14 assume !(build_nondet_String_~length~0 < 1); 134#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 145#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 135#L14-3 assume !(build_nondet_String_~length~0 < 1); 136#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 130#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 131#L31-4 [2021-10-13 00:04:46,018 INFO L793 eck$LassoCheckResult]: Loop: 131#L31-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 143#L31-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 149#L34-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 154#L34-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 153#L34-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 152#L34-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 151#L36 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 138#L31-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 131#L31-4 [2021-10-13 00:04:46,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:46,019 INFO L82 PathProgramCache]: Analyzing trace with hash 176612300, now seen corresponding path program 1 times [2021-10-13 00:04:46,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:46,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069927073] [2021-10-13 00:04:46,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:46,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:46,056 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:46,080 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:46,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:46,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1952985167, now seen corresponding path program 2 times [2021-10-13 00:04:46,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:46,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626707485] [2021-10-13 00:04:46,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:46,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:46,110 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:46,126 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:46,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:46,130 INFO L82 PathProgramCache]: Analyzing trace with hash -254822276, now seen corresponding path program 1 times [2021-10-13 00:04:46,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:46,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509646952] [2021-10-13 00:04:46,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:46,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:46,179 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:46,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:47,129 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:04:47,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:04:47,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:04:47,131 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:04:47,131 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:04:47,131 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:47,131 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:04:47,131 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:04:47,131 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk.c_Iteration3_Lasso [2021-10-13 00:04:47,132 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:04:47,132 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:04:47,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:47,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:48,333 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:04:48,338 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:04:48,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:04:48,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:04:48,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:04:48,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,513 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:04:48,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,554 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:04:48,558 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 [2021-10-13 00:04:48,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:48,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:48,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:04:48,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:04:48,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,711 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:04:48,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,746 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:04:48,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,782 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:04:48,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,824 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:04:48,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:48,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:48,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:48,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,886 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:04:48,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-13 00:04:48,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,927 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:04:48,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:48,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:48,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:48,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-13 00:04:48,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:48,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:48,966 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:48,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:04:48,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:48,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:48,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:48,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:48,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:48,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:48,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:48,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:48,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:49,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:49,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:49,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:49,007 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:49,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:04:49,009 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 [2021-10-13 00:04:49,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:49,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:49,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:49,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:49,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:49,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:49,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:49,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:49,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:49,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:49,091 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:49,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:49,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:04:49,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:49,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:49,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:49,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:49,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:49,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:49,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:49,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:49,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:49,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:49,174 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:49,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:49,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:49,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:49,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:49,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:49,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:49,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:49,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:04:49,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:49,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:49,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:49,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:49,251 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:49,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:49,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:49,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:49,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:49,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:49,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:49,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:49,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:04:49,298 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:04:49,328 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-13 00:04:49,328 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-10-13 00:04:49,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:49,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:49,331 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:49,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:04:49,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:04:49,412 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:04:49,412 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:04:49,412 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~ret10.base)_1, ULTIMATE.start_cstrpbrk_~sc1~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~ret10.base)_1 - 1*ULTIMATE.start_cstrpbrk_~sc1~0.offset Supporting invariants [] [2021-10-13 00:04:49,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:49,464 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2021-10-13 00:04:49,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:49,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:04:49,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:49,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:04:49,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:04:49,689 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 [2021-10-13 00:04:49,690 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-10-13 00:04:49,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 48 states and 62 transitions. Complement of second has 4 states. [2021-10-13 00:04:49,759 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 [2021-10-13 00:04:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-10-13 00:04:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2021-10-13 00:04:49,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 8 letters. Loop has 8 letters. [2021-10-13 00:04:49,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:49,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 16 letters. Loop has 8 letters. [2021-10-13 00:04:49,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:49,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 8 letters. Loop has 16 letters. [2021-10-13 00:04:49,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:49,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 62 transitions. [2021-10-13 00:04:49,769 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-13 00:04:49,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 42 states and 56 transitions. [2021-10-13 00:04:49,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-13 00:04:49,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-13 00:04:49,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 56 transitions. [2021-10-13 00:04:49,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:04:49,771 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 56 transitions. [2021-10-13 00:04:49,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 56 transitions. [2021-10-13 00:04:49,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2021-10-13 00:04:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 34 states have internal predecessors, (47), 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) [2021-10-13 00:04:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 47 transitions. [2021-10-13 00:04:49,781 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 47 transitions. [2021-10-13 00:04:49,782 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 47 transitions. [2021-10-13 00:04:49,782 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:04:49,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 47 transitions. [2021-10-13 00:04:49,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:04:49,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:04:49,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:04:49,785 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:04:49,785 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:04:49,786 INFO L791 eck$LassoCheckResult]: Stem: 300#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 301#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 308#L14 assume !(build_nondet_String_~length~0 < 1); 309#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 326#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 311#L14-3 assume !(build_nondet_String_~length~0 < 1); 312#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 321#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 333#L31-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 323#L31-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 314#L34-5 [2021-10-13 00:04:49,786 INFO L793 eck$LassoCheckResult]: Loop: 314#L34-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 315#L34-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 318#L34-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 314#L34-5 [2021-10-13 00:04:49,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:49,786 INFO L82 PathProgramCache]: Analyzing trace with hash -2074270767, now seen corresponding path program 1 times [2021-10-13 00:04:49,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:49,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109723631] [2021-10-13 00:04:49,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:49,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:49,820 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:49,852 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:49,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:49,853 INFO L82 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 1 times [2021-10-13 00:04:49,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:49,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121721830] [2021-10-13 00:04:49,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:49,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:49,858 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:49,874 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:49,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:49,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1389069017, now seen corresponding path program 1 times [2021-10-13 00:04:49,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:49,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757590415] [2021-10-13 00:04:49,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:49,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:49,906 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:50,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:50,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:50,856 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:04:50,856 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:04:50,856 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:04:50,856 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:04:50,856 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:04:50,856 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:50,856 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:04:50,856 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:04:50,856 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk.c_Iteration4_Lasso [2021-10-13 00:04:50,856 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:04:50,856 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:04:50,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:50,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:52,168 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:04:52,168 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:04:52,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,171 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:04:52,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,236 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:04:52,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,305 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:04:52,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,368 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:04:52,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,427 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:52,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:52,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:04:52,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-13 00:04:52,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,482 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:04:52,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-13 00:04:52,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,512 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:04:52,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,545 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:04:52,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,578 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:04:52,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-13 00:04:52,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,609 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:04:52,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,643 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:04:52,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 00:04:52,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,673 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:04:52,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,705 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:04:52,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-13 00:04:52,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,738 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:04:52,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:52,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:52,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,771 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:04:52,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,842 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:04:52,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:52,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,880 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:04:52,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 00:04:52,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,920 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:04:52,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-13 00:04:52,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,950 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:52,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 00:04:52,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:52,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:52,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:52,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:52,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:52,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:52,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:52,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:52,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:52,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 00:04:52,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:52,988 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:53,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:53,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:53,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:53,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:53,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:53,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:53,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:53,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:53,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 00:04:53,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:53,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:53,091 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:53,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:53,092 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:53,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 00:04:53,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:53,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:53,100 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-10-13 00:04:53,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:53,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:53,118 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:04:53,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:53,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:53,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:53,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:53,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:53,178 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:53,187 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 [2021-10-13 00:04:53,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:53,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:53,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:53,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:53,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:53,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:53,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 00:04:53,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:53,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:53,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:53,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:53,247 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:53,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:53,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:53,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:53,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:53,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:53,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:53,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:53,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 00:04:53,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:53,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:53,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:53,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:53,307 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:53,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:53,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:53,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:53,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:53,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:53,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:53,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:53,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 00:04:53,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:53,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:53,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:53,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:53,364 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:53,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:53,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:53,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:53,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:53,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:53,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:53,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:53,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 00:04:53,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:53,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:53,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:53,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:53,428 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:53,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:53,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:53,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:53,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:53,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:53,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:53,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:53,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 00:04:53,474 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:04:53,504 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-13 00:04:53,504 INFO L444 ModelExtractionUtils]: 39 out of 49 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-13 00:04:53,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:53,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:53,505 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:53,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 00:04:53,506 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:04:53,514 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:04:53,514 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:04:53,514 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0.offset, v_rep(select #length ULTIMATE.start_build_nondet_String_~nondetString~0.base)_2) = -1*ULTIMATE.start_cstrpbrk_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_build_nondet_String_~nondetString~0.base)_2 Supporting invariants [] [2021-10-13 00:04:53,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:53,553 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-10-13 00:04:53,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:53,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:04:53,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:53,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:04:53,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:04:53,720 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-13 00:04:53,720 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 47 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2021-10-13 00:04:53,781 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 47 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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 81 states and 107 transitions. Complement of second has 7 states. [2021-10-13 00:04:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:04:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2021-10-13 00:04:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-13 00:04:53,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 10 letters. Loop has 3 letters. [2021-10-13 00:04:53,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:53,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 3 letters. [2021-10-13 00:04:53,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:53,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-13 00:04:53,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:53,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 107 transitions. [2021-10-13 00:04:53,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:04:53,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 61 states and 80 transitions. [2021-10-13 00:04:53,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-13 00:04:53,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-13 00:04:53,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 80 transitions. [2021-10-13 00:04:53,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:04:53,787 INFO L681 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2021-10-13 00:04:53,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 80 transitions. [2021-10-13 00:04:53,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 48. [2021-10-13 00:04:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 47 states have internal predecessors, (64), 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) [2021-10-13 00:04:53,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2021-10-13 00:04:53,792 INFO L704 BuchiCegarLoop]: Abstraction has 48 states and 64 transitions. [2021-10-13 00:04:53,792 INFO L587 BuchiCegarLoop]: Abstraction has 48 states and 64 transitions. [2021-10-13 00:04:53,792 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:04:53,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 64 transitions. [2021-10-13 00:04:53,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:04:53,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:04:53,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:04:53,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:04:53,794 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:04:53,794 INFO L791 eck$LassoCheckResult]: Stem: 524#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 525#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 531#L14 assume !(build_nondet_String_~length~0 < 1); 532#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 549#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 534#L14-3 assume !(build_nondet_String_~length~0 < 1); 535#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 543#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 562#L31-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 560#L31-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 561#L34-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 554#L34-1 assume !cstrpbrk_#t~short7; 555#L34-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 568#L34-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 567#L36 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 566#L31-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 565#L31-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 546#L31-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 537#L34-5 [2021-10-13 00:04:53,794 INFO L793 eck$LassoCheckResult]: Loop: 537#L34-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 538#L34-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 541#L34-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 537#L34-5 [2021-10-13 00:04:53,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:53,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1703936771, now seen corresponding path program 1 times [2021-10-13 00:04:53,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:53,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714442169] [2021-10-13 00:04:53,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:53,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:04:53,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:04:53,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714442169] [2021-10-13 00:04:53,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714442169] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:04:53,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:04:53,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 00:04:53,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114033775] [2021-10-13 00:04:53,843 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:04:53,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:53,844 INFO L82 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 2 times [2021-10-13 00:04:53,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:53,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615726727] [2021-10-13 00:04:53,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:53,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:53,848 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:53,853 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:53,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:04:53,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:04:53,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:04:53,955 INFO L87 Difference]: Start difference. First operand 48 states and 64 transitions. cyclomatic complexity: 21 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:54,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:04:54,022 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2021-10-13 00:04:54,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:04:54,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2021-10-13 00:04:54,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:04:54,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 54 states and 68 transitions. [2021-10-13 00:04:54,024 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-13 00:04:54,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-13 00:04:54,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 68 transitions. [2021-10-13 00:04:54,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:04:54,025 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 68 transitions. [2021-10-13 00:04:54,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 68 transitions. [2021-10-13 00:04:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 49. [2021-10-13 00:04:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 48 states have internal predecessors, (63), 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) [2021-10-13 00:04:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2021-10-13 00:04:54,030 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 63 transitions. [2021-10-13 00:04:54,030 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 63 transitions. [2021-10-13 00:04:54,030 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:04:54,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 63 transitions. [2021-10-13 00:04:54,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:04:54,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:04:54,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:04:54,032 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:04:54,032 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:04:54,032 INFO L791 eck$LassoCheckResult]: Stem: 650#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 651#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12.base, main_#t~ret12.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 656#L14 assume !(build_nondet_String_~length~0 < 1); 658#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 677#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 659#L14-3 assume !(build_nondet_String_~length~0 < 1); 660#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;havoc build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 654#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 655#L31-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 686#L31-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 683#L34-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 685#L34-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 679#L34-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 652#L34-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 653#L36 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 657#L31-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 662#L31-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 674#L31-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 663#L34-5 [2021-10-13 00:04:54,033 INFO L793 eck$LassoCheckResult]: Loop: 663#L34-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 664#L34-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 667#L34-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 663#L34-5 [2021-10-13 00:04:54,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:54,033 INFO L82 PathProgramCache]: Analyzing trace with hash -71070591, now seen corresponding path program 2 times [2021-10-13 00:04:54,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:54,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912472177] [2021-10-13 00:04:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:54,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:54,048 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:54,067 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:54,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:54,067 INFO L82 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 3 times [2021-10-13 00:04:54,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:54,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424620259] [2021-10-13 00:04:54,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:54,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:54,072 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:54,076 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:54,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:54,077 INFO L82 PathProgramCache]: Analyzing trace with hash 154934313, now seen corresponding path program 1 times [2021-10-13 00:04:54,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:04:54,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619835628] [2021-10-13 00:04:54,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:04:54,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:04:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:54,094 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:04:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:04:54,114 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:04:54,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:55,322 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:04:55,322 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:04:55,322 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:04:55,322 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:04:55,322 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:04:55,322 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:55,322 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:04:55,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:04:55,322 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk.c_Iteration6_Lasso [2021-10-13 00:04:55,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:04:55,322 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:04:55,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:55,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:55,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:55,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:55,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:55,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:55,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:55,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:56,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:04:57,402 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:04:57,403 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:04:57,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,413 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 00:04:57,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:57,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:57,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:57,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:57,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,473 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:57,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:57,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:57,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 00:04:57,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:57,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,534 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:57,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:57,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:57,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 00:04:57,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:57,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,592 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 00:04:57,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:57,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:57,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:57,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:57,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,623 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 00:04:57,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:57,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:57,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:57,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,654 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 00:04:57,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:57,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:57,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:57,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:57,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,690 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 00:04:57,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:04:57,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:04:57,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:04:57,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:57,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,747 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 00:04:57,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:57,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:57,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:57,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,779 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 00:04:57,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:57,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:57,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-13 00:04:57,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,813 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 00:04:57,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:57,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:57,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:57,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,850 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 00:04:57,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:57,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:57,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:57,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:57,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:57,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-13 00:04:57,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:57,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:57,880 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:57,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 00:04:57,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:57,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:57,890 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-10-13 00:04:57,890 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-10-13 00:04:57,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:57,963 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2021-10-13 00:04:57,963 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-13 00:04:58,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:58,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:58,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:58,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:58,162 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:58,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 00:04:58,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:04:58,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:58,170 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-10-13 00:04:58,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:58,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:58,181 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:04:58,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:58,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:04:58,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-13 00:04:58,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:58,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:58,216 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:58,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 00:04:58,218 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 [2021-10-13 00:04:58,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:04:58,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:04:58,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:04:58,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:04:58,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:04:58,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:04:58,258 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:04:58,317 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-10-13 00:04:58,317 INFO L444 ModelExtractionUtils]: 25 out of 49 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-13 00:04:58,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:04:58,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:04:58,319 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:04:58,321 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:04:58,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 00:04:58,339 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:04:58,339 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:04:58,339 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_3, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_3 - 1*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [] [2021-10-13 00:04:58,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:58,433 INFO L297 tatePredicateManager]: 21 out of 21 supporting invariants were superfluous and have been removed [2021-10-13 00:04:58,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:58,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:04:58,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:58,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:04:58,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:04:58,545 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 [2021-10-13 00:04:58,545 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:58,566 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 79 states and 99 transitions. Complement of second has 5 states. [2021-10-13 00:04:58,567 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 [2021-10-13 00:04:58,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2021-10-13 00:04:58,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-13 00:04:58,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:58,568 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:04:58,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:58,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:04:58,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:58,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:04:58,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:04:58,685 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:04:58,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:58,705 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 79 states and 99 transitions. Complement of second has 5 states. [2021-10-13 00:04:58,707 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 [2021-10-13 00:04:58,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 21 transitions. [2021-10-13 00:04:58,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 21 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-13 00:04:58,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:58,709 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:04:58,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:04:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:58,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:04:58,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:04:58,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:04:58,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:04:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:04:58,823 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:04:58,824 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:58,847 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 78 states and 102 transitions. Complement of second has 4 states. [2021-10-13 00:04:58,850 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 [2021-10-13 00:04:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:04:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2021-10-13 00:04:58,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 30 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-13 00:04:58,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:58,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 30 transitions. Stem has 21 letters. Loop has 3 letters. [2021-10-13 00:04:58,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:58,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 30 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-13 00:04:58,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:04:58,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 102 transitions. [2021-10-13 00:04:58,857 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:04:58,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 0 states and 0 transitions. [2021-10-13 00:04:58,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:04:58,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:04:58,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:04:58,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:04:58,858 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:04:58,858 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:04:58,858 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:04:58,859 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 00:04:58,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:04:58,859 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:04:58,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:04:58,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:04:58 BoogieIcfgContainer [2021-10-13 00:04:58,867 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:04:58,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:04:58,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:04:58,868 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:04:58,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:04:44" (3/4) ... [2021-10-13 00:04:58,871 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:04:58,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:04:58,873 INFO L168 Benchmark]: Toolchain (without parser) took 15077.15 ms. Allocated memory was 111.1 MB in the beginning and 161.5 MB in the end (delta: 50.3 MB). Free memory was 81.7 MB in the beginning and 64.7 MB in the end (delta: 17.0 MB). Peak memory consumption was 66.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:04:58,873 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 111.1 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:04:58,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.63 ms. Allocated memory is still 111.1 MB. Free memory was 81.4 MB in the beginning and 86.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:04:58,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.91 ms. Allocated memory is still 111.1 MB. Free memory was 86.0 MB in the beginning and 84.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:04:58,874 INFO L168 Benchmark]: Boogie Preprocessor took 24.31 ms. Allocated memory is still 111.1 MB. Free memory was 84.4 MB in the beginning and 83.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:04:58,875 INFO L168 Benchmark]: RCFGBuilder took 412.89 ms. Allocated memory is still 111.1 MB. Free memory was 83.1 MB in the beginning and 72.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:04:58,875 INFO L168 Benchmark]: BuchiAutomizer took 14340.22 ms. Allocated memory was 111.1 MB in the beginning and 161.5 MB in the end (delta: 50.3 MB). Free memory was 72.6 MB in the beginning and 64.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:04:58,875 INFO L168 Benchmark]: Witness Printer took 4.06 ms. Allocated memory is still 161.5 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:04:58,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 111.1 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 239.63 ms. Allocated memory is still 111.1 MB. Free memory was 81.4 MB in the beginning and 86.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.91 ms. Allocated memory is still 111.1 MB. Free memory was 86.0 MB in the beginning and 84.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.31 ms. Allocated memory is still 111.1 MB. Free memory was 84.4 MB in the beginning and 83.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 412.89 ms. Allocated memory is still 111.1 MB. Free memory was 83.1 MB in the beginning and 72.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14340.22 ms. Allocated memory was 111.1 MB in the beginning and 161.5 MB in the end (delta: 50.3 MB). Free memory was 72.6 MB in the beginning and 64.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.06 ms. Allocated memory is still 161.5 MB. Free memory is still 64.7 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[build_nondet_String()] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[nondetString] and consists of 5 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.2s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 12.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 38.5ms AutomataMinimizationTime, 5 MinimizatonAttempts, 27 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 49 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 149 SDtfs, 186 SDslu, 134 SDs, 0 SdLazy, 187 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 197.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital273 mio100 ax100 hnf100 lsp106 ukn80 mio100 lsp33 div126 bol100 ite100 ukn100 eq170 hnf80 smp93 dnf648 smp42 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 255ms 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! [2021-10-13 00:04:58,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-13 00:04:59,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a240f08-fefd-48a0-b3d3-05d33e82c954/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...