./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS --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 32bit --witnessprinter.graph.data.programhash 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 01:45:56,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:45:56,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:45:56,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:45:56,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:45:56,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:45:56,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:45:56,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:45:56,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:45:56,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:45:56,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:45:56,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:45:56,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:45:56,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:45:56,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:45:56,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:45:56,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:45:56,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:45:56,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:45:56,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:45:56,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:45:56,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:45:56,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:45:56,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:45:56,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:45:56,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:45:56,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:45:56,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:45:56,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:45:56,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:45:56,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:45:56,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:45:56,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:45:56,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:45:56,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:45:56,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:45:56,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:45:56,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:45:56,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:45:56,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:45:56,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:45:56,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 01:45:56,736 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:45:56,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:45:56,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:45:56,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:45:56,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:45:56,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:45:56,742 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:45:56,742 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 01:45:56,742 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 01:45:56,743 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 01:45:56,744 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 01:45:56,744 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 01:45:56,744 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 01:45:56,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:45:56,745 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:45:56,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:45:56,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:45:56,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:45:56,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:45:56,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 01:45:56,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 01:45:56,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 01:45:56,747 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:45:56,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:45:56,748 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 01:45:56,748 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:45:56,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 01:45:56,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:45:56,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:45:56,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:45:56,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:45:56,754 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 01:45:56,755 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_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 [2022-11-23 01:45:57,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:45:57,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:45:57,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:45:57,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:45:57,028 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:45:57,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2022-11-23 01:45:59,993 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:46:00,221 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:46:00,222 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2022-11-23 01:46:00,234 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/data/4343d7661/d7daf594d2a246e480b372cf414f648d/FLAGecd34269a [2022-11-23 01:46:00,247 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/data/4343d7661/d7daf594d2a246e480b372cf414f648d [2022-11-23 01:46:00,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:46:00,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:46:00,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:46:00,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:46:00,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:46:00,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2601e637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00, skipping insertion in model container [2022-11-23 01:46:00,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:46:00,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:46:00,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:46:00,634 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:46:00,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:46:00,726 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:46:00,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00 WrapperNode [2022-11-23 01:46:00,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:46:00,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:46:00,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:46:00,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:46:00,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,764 INFO L138 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2022-11-23 01:46:00,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:46:00,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:46:00,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:46:00,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:46:00,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:46:00,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:46:00,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:46:00,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:46:00,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (1/1) ... [2022-11-23 01:46:00,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:00,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:00,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:00,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 01:46:00,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 01:46:00,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:46:00,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:46:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:46:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:46:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:46:01,022 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:46:01,024 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:46:01,200 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:46:01,206 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:46:01,206 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 01:46:01,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:01 BoogieIcfgContainer [2022-11-23 01:46:01,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:46:01,209 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 01:46:01,209 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 01:46:01,213 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 01:46:01,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:46:01,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:46:00" (1/3) ... [2022-11-23 01:46:01,215 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e62acad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:46:01, skipping insertion in model container [2022-11-23 01:46:01,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:46:01,215 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:00" (2/3) ... [2022-11-23 01:46:01,215 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e62acad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:46:01, skipping insertion in model container [2022-11-23 01:46:01,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:46:01,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:01" (3/3) ... [2022-11-23 01:46:01,217 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrncpy-alloca-2.i [2022-11-23 01:46:01,285 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 01:46:01,285 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 01:46:01,285 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 01:46:01,285 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 01:46:01,286 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 01:46:01,290 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 01:46:01,290 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 01:46:01,291 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 01:46:01,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:01,313 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-23 01:46:01,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:46:01,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:46:01,317 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 01:46:01,318 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 01:46:01,318 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 01:46:01,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:01,320 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-23 01:46:01,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:46:01,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:46:01,320 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 01:46:01,320 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 01:46:01,327 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 6#L535true assume !(main_~length~0#1 < 1); 10#L535-2true assume !(main_~n~0#1 < 1); 15#L538-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 3#L544-3true [2022-11-23 01:46:01,327 INFO L750 eck$LassoCheckResult]: Loop: 3#L544-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 5#L544-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 3#L544-3true [2022-11-23 01:46:01,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:01,332 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-23 01:46:01,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:01,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674111017] [2022-11-23 01:46:01,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:01,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:01,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:01,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:01,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:01,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-11-23 01:46:01,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:01,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947732417] [2022-11-23 01:46:01,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:01,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:01,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:01,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:01,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:01,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-11-23 01:46:01,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:01,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771394166] [2022-11-23 01:46:01,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:01,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:01,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:01,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:02,053 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:46:02,053 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:46:02,054 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:46:02,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:46:02,054 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:46:02,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:02,054 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:46:02,055 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:46:02,055 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration1_Lasso [2022-11-23 01:46:02,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:46:02,055 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:46:02,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,085 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,115 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:02,770 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:46:02,774 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:46:02,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:02,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:02,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:02,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:02,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:02,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:02,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:02,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:02,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:02,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:02,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:02,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 01:46:02,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:02,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:02,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:02,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:02,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:02,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:02,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:02,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:02,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:02,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:02,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:02,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:02,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:02,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:02,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 01:46:02,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:02,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:02,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:02,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:02,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:02,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:02,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:02,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:02,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:02,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:02,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 01:46:02,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:02,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:02,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:02,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:02,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:02,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:02,904 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:02,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:02,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:02,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:02,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:02,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:02,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:02,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:02,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 01:46:02,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:02,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:02,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:02,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:02,961 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:02,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:02,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:02,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:02,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:02,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:02,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:02,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:02,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:02,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 01:46:02,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,007 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 01:46:03,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,060 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 01:46:03,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-23 01:46:03,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,104 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 01:46:03,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,176 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-23 01:46:03,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:03,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:03,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:03,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,216 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 01:46:03,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,256 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 01:46:03,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:03,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:03,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:03,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,289 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 01:46:03,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,335 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-23 01:46:03,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:03,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:03,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:03,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,373 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-23 01:46:03,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,428 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-23 01:46:03,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,485 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:03,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:03,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:03,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-23 01:46:03,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,524 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-23 01:46:03,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,571 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-23 01:46:03,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,614 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-23 01:46:03,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:03,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,668 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-23 01:46:03,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:03,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:03,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:03,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:03,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:03,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:03,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:03,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 01:46:03,776 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-23 01:46:03,777 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-23 01:46:03,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:03,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:03,782 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:03,792 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 01:46:03,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-23 01:46:03,820 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-23 01:46:03,820 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 01:46:03,821 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~nondetString~0#1.offset >= 0] [2022-11-23 01:46:03,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:03,865 INFO L156 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2022-11-23 01:46:03,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:03,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 01:46:03,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:46:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:03,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 01:46:03,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:46:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:04,079 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-23 01:46:04,081 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:04,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:04,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 55 transitions. Complement of second has 8 states. [2022-11-23 01:46:04,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 01:46:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2022-11-23 01:46:04,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-23 01:46:04,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:04,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-23 01:46:04,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:04,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-23 01:46:04,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:04,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 55 transitions. [2022-11-23 01:46:04,195 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-23 01:46:04,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 13 states and 18 transitions. [2022-11-23 01:46:04,199 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-23 01:46:04,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-23 01:46:04,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-23 01:46:04,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:46:04,200 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-23 01:46:04,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-23 01:46:04,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-23 01:46:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-23 01:46:04,223 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-23 01:46:04,224 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-23 01:46:04,224 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 01:46:04,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-23 01:46:04,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-23 01:46:04,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:46:04,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:46:04,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:46:04,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 01:46:04,225 INFO L748 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 143#L535 assume !(main_~length~0#1 < 1); 144#L535-2 assume !(main_~n~0#1 < 1); 142#L538-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 136#L544-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 137#L544-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post2#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~post6#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 145#L520-2 [2022-11-23 01:46:04,225 INFO L750 eck$LassoCheckResult]: Loop: 145#L520-2 assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post2#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post2#1 - 1;havoc cstrncpy_#t~post2#1;cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 146#L522 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 145#L520-2 [2022-11-23 01:46:04,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:04,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-11-23 01:46:04,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:04,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173523229] [2022-11-23 01:46:04,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:04,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:04,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:04,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:04,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2195, now seen corresponding path program 1 times [2022-11-23 01:46:04,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:04,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150075791] [2022-11-23 01:46:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:04,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:04,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:04,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:04,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:04,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384832, now seen corresponding path program 1 times [2022-11-23 01:46:04,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:04,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451896166] [2022-11-23 01:46:04,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:04,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:04,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:46:04,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451896166] [2022-11-23 01:46:04,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451896166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:46:04,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:46:04,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:46:04,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615044230] [2022-11-23 01:46:04,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:46:04,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:46:04,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 01:46:04,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:46:04,972 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:05,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:46:05,069 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2022-11-23 01:46:05,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2022-11-23 01:46:05,072 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-23 01:46:05,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 24 transitions. [2022-11-23 01:46:05,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-23 01:46:05,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-23 01:46:05,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2022-11-23 01:46:05,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:46:05,074 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-23 01:46:05,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2022-11-23 01:46:05,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2022-11-23 01:46:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-11-23 01:46:05,078 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-23 01:46:05,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 01:46:05,079 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-23 01:46:05,079 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 01:46:05,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-11-23 01:46:05,080 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-23 01:46:05,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:46:05,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:46:05,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:46:05,081 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 01:46:05,082 INFO L748 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 193#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 194#L535 assume !(main_~length~0#1 < 1); 195#L535-2 assume !(main_~n~0#1 < 1); 191#L538-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 184#L544-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 185#L544-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post2#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~post6#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 199#L520-2 assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post2#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post2#1 - 1;havoc cstrncpy_#t~post2#1;cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 198#L522 assume 0 == cstrncpy_#t~mem5#1;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~n2~0#1 := cstrncpy_~n#1; 190#L525-3 [2022-11-23 01:46:05,082 INFO L750 eck$LassoCheckResult]: Loop: 190#L525-3 cstrncpy_#t~post6#1 := cstrncpy_~n2~0#1;cstrncpy_~n2~0#1 := cstrncpy_#t~post6#1 - 1; 189#L525-1 assume !!(0 != cstrncpy_#t~post6#1);havoc cstrncpy_#t~post6#1;cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset := cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_#t~post7#1.base, 1 + cstrncpy_#t~post7#1.offset;call write~int(0, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, 1);havoc cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset; 190#L525-3 [2022-11-23 01:46:05,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:05,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384817, now seen corresponding path program 1 times [2022-11-23 01:46:05,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:05,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595960381] [2022-11-23 01:46:05,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:05,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:05,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:05,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:05,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:05,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2022-11-23 01:46:05,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:05,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378575985] [2022-11-23 01:46:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:05,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:05,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:05,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:05,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:05,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2087672522, now seen corresponding path program 1 times [2022-11-23 01:46:05,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:05,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086283342] [2022-11-23 01:46:05,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:05,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:05,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:05,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:06,503 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:46:06,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:46:06,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:46:06,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:46:06,503 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:46:06,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:06,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:46:06,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:46:06,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration3_Lasso [2022-11-23 01:46:06,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:46:06,504 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:46:06,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:06,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,436 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,444 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,447 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,487 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:07,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:08,568 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:46:08,569 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:46:08,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:08,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:08,571 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:08,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:08,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:08,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:08,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:08,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:08,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:08,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:08,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:08,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-23 01:46:08,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:08,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:08,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:08,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:08,615 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:08,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:08,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:08,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:08,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:08,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:08,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:08,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:08,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-23 01:46:08,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:08,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:08,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:08,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:08,654 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:08,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:08,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:08,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:08,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:08,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:08,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:08,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:08,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:08,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-23 01:46:08,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:08,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:08,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:08,694 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:08,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:08,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-23 01:46:08,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:08,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:08,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:08,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:08,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:08,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:08,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:08,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:08,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:08,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:08,765 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:08,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:08,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:08,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:08,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:08,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:08,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:08,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:08,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-23 01:46:08,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:08,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:08,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:08,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:08,816 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:08,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:08,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-23 01:46:08,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:08,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:08,838 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:46:08,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:08,883 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-23 01:46:08,883 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-23 01:46:09,013 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 01:46:09,231 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2022-11-23 01:46:09,231 INFO L444 ModelExtractionUtils]: 57 out of 111 variables were initially zero. Simplification set additionally 51 variables to zero. [2022-11-23 01:46:09,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:09,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:09,232 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:09,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-23 01:46:09,238 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 01:46:09,251 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-11-23 01:46:09,251 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 01:46:09,251 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n2~0#1) = 1*ULTIMATE.start_cstrncpy_~n2~0#1 Supporting invariants [1*ULTIMATE.start_cstrncpy_~n2~0#1 >= 0] [2022-11-23 01:46:09,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:09,338 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2022-11-23 01:46:09,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:09,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 01:46:09,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:46:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:09,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 01:46:09,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:46:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:09,451 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-23 01:46:09,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:09,489 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 20 states and 25 transitions. Complement of second has 5 states. [2022-11-23 01:46:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2022-11-23 01:46:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-23 01:46:09,491 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-23 01:46:09,491 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:09,491 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-23 01:46:09,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:09,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:09,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 01:46:09,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:46:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:09,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 01:46:09,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:46:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:09,634 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-23 01:46:09,634 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:09,671 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 19 states and 25 transitions. Complement of second has 5 states. [2022-11-23 01:46:09,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-23 01:46:09,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-23 01:46:09,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-23 01:46:09,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:09,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 2 letters. [2022-11-23 01:46:09,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:09,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-23 01:46:09,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:09,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2022-11-23 01:46:09,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-23 01:46:09,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 12 states and 15 transitions. [2022-11-23 01:46:09,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-23 01:46:09,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-23 01:46:09,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2022-11-23 01:46:09,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:46:09,675 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-11-23 01:46:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2022-11-23 01:46:09,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-23 01:46:09,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-23 01:46:09,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-23 01:46:09,676 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-23 01:46:09,676 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-23 01:46:09,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-11-23 01:46:09,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-23 01:46:09,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:46:09,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:46:09,677 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:46:09,677 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 01:46:09,677 INFO L748 eck$LassoCheckResult]: Stem: 427#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 428#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 430#L535 assume !(main_~length~0#1 < 1); 431#L535-2 assume !(main_~n~0#1 < 1); 429#L538-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 423#L544-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 424#L544-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 425#L544-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 426#L544-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post2#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~post6#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 432#L520-2 [2022-11-23 01:46:09,677 INFO L750 eck$LassoCheckResult]: Loop: 432#L520-2 assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post2#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post2#1 - 1;havoc cstrncpy_#t~post2#1;cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 433#L522 assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 432#L520-2 [2022-11-23 01:46:09,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:09,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2022-11-23 01:46:09,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:09,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202131715] [2022-11-23 01:46:09,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:09,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:09,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:09,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:09,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:09,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2195, now seen corresponding path program 2 times [2022-11-23 01:46:09,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:09,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135689515] [2022-11-23 01:46:09,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:09,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:09,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:09,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:09,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:09,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626526, now seen corresponding path program 1 times [2022-11-23 01:46:09,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:46:09,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990681245] [2022-11-23 01:46:09,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:46:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:46:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:09,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:46:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:46:09,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:46:10,735 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:46:10,736 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:46:10,736 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:46:10,736 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:46:10,736 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:46:10,736 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:10,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:46:10,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:46:10,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration4_Lasso [2022-11-23 01:46:10,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:46:10,736 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:46:10,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,754 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:10,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,603 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:11,611 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:46:12,332 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:46:12,332 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:46:12,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,333 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-23 01:46:12,351 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 [2022-11-23 01:46:12,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,368 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-23 01:46:12,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:12,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:12,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,396 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-23 01:46:12,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,414 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-23 01:46:12,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:12,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:12,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,448 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-23 01:46:12,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,488 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-23 01:46:12,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,528 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-23 01:46:12,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,558 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-23 01:46:12,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,591 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-23 01:46:12,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,628 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-23 01:46:12,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:12,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:12,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,679 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-23 01:46:12,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,736 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-23 01:46:12,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,754 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-23 01:46:12,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,771 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-23 01:46:12,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:46:12,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:46:12,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:46:12,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-23 01:46:12,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,789 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-23 01:46:12,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:12,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:12,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-23 01:46:12,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,818 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-23 01:46:12,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:12,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:12,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-23 01:46:12,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,843 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-23 01:46:12,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:12,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:12,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:12,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,868 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-23 01:46:12,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,880 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:46:12,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,889 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-23 01:46:12,889 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-23 01:46:12,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-23 01:46:12,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,909 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-23 01:46:12,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:12,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:12,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:46:12,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-23 01:46:12,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:12,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:12,945 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:12,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-23 01:46:12,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:46:12,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:46:12,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:46:12,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:46:12,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:46:12,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:46:12,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:46:12,994 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 01:46:13,033 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-23 01:46:13,033 INFO L444 ModelExtractionUtils]: 10 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-11-23 01:46:13,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:46:13,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:46:13,035 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:46:13,043 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 01:46:13,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-23 01:46:13,080 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 01:46:13,080 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 01:46:13,080 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n#1) = 1*ULTIMATE.start_cstrncpy_~n#1 Supporting invariants [] [2022-11-23 01:46:13,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:13,137 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2022-11-23 01:46:13,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:46:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:13,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:46:13,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:46:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:46:13,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 01:46:13,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:46:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:46:13,205 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-23 01:46:13,205 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:13,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 16 transitions. Complement of second has 4 states. [2022-11-23 01:46:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-23 01:46:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:46:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2022-11-23 01:46:13,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-23 01:46:13,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:13,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2022-11-23 01:46:13,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:13,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-23 01:46:13,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:46:13,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2022-11-23 01:46:13,216 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 01:46:13,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2022-11-23 01:46:13,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-23 01:46:13,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-23 01:46:13,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-23 01:46:13,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:46:13,217 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 01:46:13,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 01:46:13,217 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 01:46:13,217 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-23 01:46:13,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-23 01:46:13,218 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 01:46:13,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-23 01:46:13,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:46:13 BoogieIcfgContainer [2022-11-23 01:46:13,224 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 01:46:13,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:46:13,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:46:13,226 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:46:13,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:01" (3/4) ... [2022-11-23 01:46:13,229 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 01:46:13,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:46:13,229 INFO L158 Benchmark]: Toolchain (without parser) took 12978.11ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 94.8MB in the beginning and 121.7MB in the end (delta: -26.8MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-11-23 01:46:13,229 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:46:13,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.47ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 78.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 01:46:13,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.80ms. Allocated memory is still 140.5MB. Free memory was 78.6MB in the beginning and 76.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:46:13,230 INFO L158 Benchmark]: Boogie Preprocessor took 47.99ms. Allocated memory is still 140.5MB. Free memory was 76.5MB in the beginning and 75.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:46:13,231 INFO L158 Benchmark]: RCFGBuilder took 394.42ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 75.2MB in the beginning and 135.2MB in the end (delta: -60.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-23 01:46:13,231 INFO L158 Benchmark]: BuchiAutomizer took 12015.64ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 135.2MB in the beginning and 122.7MB in the end (delta: 12.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-11-23 01:46:13,231 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 205.5MB. Free memory was 122.7MB in the beginning and 121.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:46:13,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.47ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 78.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.80ms. Allocated memory is still 140.5MB. Free memory was 78.6MB in the beginning and 76.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.99ms. Allocated memory is still 140.5MB. Free memory was 76.5MB in the beginning and 75.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.42ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 75.2MB in the beginning and 135.2MB in the end (delta: -60.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 12015.64ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 135.2MB in the beginning and 122.7MB in the end (delta: 12.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 205.5MB. Free memory was 122.7MB in the beginning and 121.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function n2 and consists of 4 locations. One deterministic module has affine ranking function n and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.9s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 11.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 61 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax109 hnf100 lsp86 ukn92 mio100 lsp45 div160 bol100 ite100 ukn100 eq165 hnf91 smp76 dnf109 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 435ms VariablesStem: 25 VariablesLoop: 14 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-23 01:46:13,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-23 01:46:13,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea02165-b540-4c95-9d7b-f7b3803e4a50/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE