./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G --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 961e7f6fbd61acd9d4f1771460dcf26fd486b3de35e5e0e3ca8e6e03bda0fabc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:47:57,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:47:57,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:47:58,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:47:58,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:47:58,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:47:58,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:47:58,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:47:58,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:47:58,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:47:58,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:47:58,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:47:58,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:47:58,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:47:58,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:47:58,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:47:58,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:47:58,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:47:58,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:47:58,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:47:58,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:47:58,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:47:58,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:47:58,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:47:58,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:47:58,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:47:58,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:47:58,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:47:58,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:47:58,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:47:58,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:47:58,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:47:58,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:47:58,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:47:58,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:47:58,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:47:58,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:47:58,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:47:58,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:47:58,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:47:58,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:47:58,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 12:47:58,118 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:47:58,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:47:58,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:47:58,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:47:58,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:47:58,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:47:58,122 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:47:58,122 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 12:47:58,123 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 12:47:58,123 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 12:47:58,124 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 12:47:58,124 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 12:47:58,124 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 12:47:58,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:47:58,125 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:47:58,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:47:58,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:47:58,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:47:58,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:47:58,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 12:47:58,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 12:47:58,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 12:47:58,128 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:47:58,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:47:58,129 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 12:47:58,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:47:58,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 12:47:58,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:47:58,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:47:58,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:47:58,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:47:58,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:47:58,133 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 12:47:58,133 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_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961e7f6fbd61acd9d4f1771460dcf26fd486b3de35e5e0e3ca8e6e03bda0fabc [2021-11-23 12:47:58,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:47:58,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:47:58,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:47:58,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:47:58,534 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:47:58,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2021-11-23 12:47:58,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/data/0bf8669c8/c6e0cf0039374181b32cdd7328af93fa/FLAG8dcc961d7 [2021-11-23 12:47:59,309 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:47:59,311 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2021-11-23 12:47:59,338 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/data/0bf8669c8/c6e0cf0039374181b32cdd7328af93fa/FLAG8dcc961d7 [2021-11-23 12:47:59,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/data/0bf8669c8/c6e0cf0039374181b32cdd7328af93fa [2021-11-23 12:47:59,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:47:59,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:47:59,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:47:59,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:47:59,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:47:59,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:47:59" (1/1) ... [2021-11-23 12:47:59,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3584426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:59, skipping insertion in model container [2021-11-23 12:47:59,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:47:59" (1/1) ... [2021-11-23 12:47:59,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:47:59,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:48:00,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:48:00,114 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:48:00,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:48:00,218 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:48:00,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00 WrapperNode [2021-11-23 12:48:00,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:48:00,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:48:00,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:48:00,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:48:00,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,275 INFO L137 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2021-11-23 12:48:00,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:48:00,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:48:00,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:48:00,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:48:00,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:48:00,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:48:00,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:48:00,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:48:00,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (1/1) ... [2021-11-23 12:48:00,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:00,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:00,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 12:48:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 12:48:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 12:48:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:48:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:48:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:48:00,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:48:00,580 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:48:00,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:48:00,744 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:48:00,751 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:48:00,752 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 12:48:00,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:00 BoogieIcfgContainer [2021-11-23 12:48:00,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:48:00,756 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 12:48:00,756 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 12:48:00,760 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 12:48:00,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:48:00,762 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:47:59" (1/3) ... [2021-11-23 12:48:00,763 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ff33a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:48:00, skipping insertion in model container [2021-11-23 12:48:00,764 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:48:00,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:00" (2/3) ... [2021-11-23 12:48:00,765 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ff33a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:48:00, skipping insertion in model container [2021-11-23 12:48:00,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:48:00,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:00" (3/3) ... [2021-11-23 12:48:00,767 INFO L388 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-2.i [2021-11-23 12:48:00,825 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 12:48:00,826 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 12:48:00,826 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 12:48:00,826 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 12:48:00,827 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 12:48:00,827 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 12:48:00,827 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 12:48:00,827 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 12:48:00,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) 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) [2021-11-23 12:48:00,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-23 12:48:00,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:48:00,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:48:00,883 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-23 12:48:00,883 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:48:00,884 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 12:48:00,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) 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) [2021-11-23 12:48:00,888 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-23 12:48:00,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:48:00,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:48:00,889 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-23 12:48:00,889 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:48:00,899 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 13#L528true assume !(main_~length1~0#1 < 1); 7#L528-2true call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 11#L533-3true [2021-11-23 12:48:00,899 INFO L793 eck$LassoCheckResult]: Loop: 11#L533-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet9#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 3#L533-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 11#L533-3true [2021-11-23 12:48:00,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:00,908 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-11-23 12:48:00,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:48:00,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268671341] [2021-11-23 12:48:00,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:48:00,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:48:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:01,040 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:48:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:01,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:48:01,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:01,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-11-23 12:48:01,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:48:01,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456009113] [2021-11-23 12:48:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:48:01,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:48:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:01,106 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:48:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:01,122 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:48:01,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:01,125 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-11-23 12:48:01,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:48:01,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247770371] [2021-11-23 12:48:01,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:48:01,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:48:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:01,157 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:48:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:01,184 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:48:01,551 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:48:01,552 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:48:01,552 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:48:01,553 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:48:01,553 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:48:01,554 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:01,555 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:48:01,555 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:48:01,555 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration1_Lasso [2021-11-23 12:48:01,555 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:48:01,556 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:48:01,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:01,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:02,072 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:48:02,078 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:48:02,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:02,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 12:48:02,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:02,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:02,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:02,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:02,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:02,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:02,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:02,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:02,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:02,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:02,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,183 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:02,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 12:48:02,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:02,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:02,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:02,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:02,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:02,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:02,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:02,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:02,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:02,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,281 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:02,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:02,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:02,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:02,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:02,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:02,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:02,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:02,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:02,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 12:48:02,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:02,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:02,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:02,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 12:48:02,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:02,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:02,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:02,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:02,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:02,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:02,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:02,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:02,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:02,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:02,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,429 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:02,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 12:48:02,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:02,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:02,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:02,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:02,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:02,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:02,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:02,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:02,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-23 12:48:02,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,514 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:02,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 12:48:02,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:02,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:02,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:02,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:02,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:02,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:02,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:02,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:02,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:02,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,634 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:02,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 12:48:02,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:02,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:02,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:02,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:02,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:02,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:02,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:02,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:02,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:02,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:02,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,719 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:02,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:02,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:02,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:02,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:02,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:02,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:02,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:02,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 12:48:02,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:02,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:02,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,814 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:02,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:02,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:02,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:02,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:02,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:02,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 12:48:02,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:02,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:02,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 12:48:02,954 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-11-23 12:48:02,955 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-23 12:48:02,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:02,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:02,979 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:03,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 12:48:03,057 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 12:48:03,086 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-23 12:48:03,086 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 12:48:03,087 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_1 - 1*ULTIMATE.start_main_~length1~0#1 >= 0] [2021-11-23 12:48:03,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:03,238 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2021-11-23 12:48:03,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:03,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:48:03,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 12:48:03,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:48:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:48:03,369 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 12:48:03,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:48:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:48:03,501 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-23 12:48:03,503 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:48:03,639 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 8 states. [2021-11-23 12:48:03,643 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 [2021-11-23 12:48:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:48:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2021-11-23 12:48:03,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-23 12:48:03,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:48:03,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-23 12:48:03,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:48:03,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 4 letters. Loop has 4 letters. [2021-11-23 12:48:03,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:48:03,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 48 transitions. [2021-11-23 12:48:03,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-23 12:48:03,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 12 states and 16 transitions. [2021-11-23 12:48:03,667 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-23 12:48:03,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-23 12:48:03,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-11-23 12:48:03,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:48:03,669 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-11-23 12:48:03,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-11-23 12:48:03,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-23 12:48:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:48:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-11-23 12:48:03,702 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-11-23 12:48:03,703 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-11-23 12:48:03,703 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 12:48:03,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2021-11-23 12:48:03,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-23 12:48:03,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:48:03,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:48:03,705 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-23 12:48:03,705 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-23 12:48:03,705 INFO L791 eck$LassoCheckResult]: Stem: 124#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 125#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 122#L528 assume !(main_~length1~0#1 < 1); 123#L528-2 call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 120#L533-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 121#L533-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrreplace } true;cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset, cstrreplace_#in~old#1, cstrreplace_#in~new#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, (if main_#t~nondet10#1 % 256 <= 127 then main_#t~nondet10#1 % 256 else main_#t~nondet10#1 % 256 - 256), (if main_#t~nondet11#1 % 256 <= 127 then main_#t~nondet11#1 % 256 else main_#t~nondet11#1 % 256 - 256);havoc cstrreplace_#res#1;havoc cstrreplace_#t~mem3#1, cstrreplace_#t~post4#1, cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset, cstrreplace_#t~mem2#1, cstrreplace_~s#1.base, cstrreplace_~s#1.offset, cstrreplace_~old#1, cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, cstrreplace_~numReplaced~0#1;cstrreplace_~s#1.base, cstrreplace_~s#1.offset := cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset;cstrreplace_~old#1 := cstrreplace_#in~old#1;cstrreplace_~new#1 := cstrreplace_#in~new#1;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_~s#1.base, cstrreplace_~s#1.offset;cstrreplace_~numReplaced~0#1 := 0; 126#L517-3 [2021-11-23 12:48:03,705 INFO L793 eck$LassoCheckResult]: Loop: 126#L517-3 call cstrreplace_#t~mem2#1 := read~int(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 128#L517-1 assume !!(0 != cstrreplace_#t~mem2#1);havoc cstrreplace_#t~mem2#1;call cstrreplace_#t~mem3#1 := read~int(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 129#L518 assume cstrreplace_#t~mem3#1 == cstrreplace_~old#1;havoc cstrreplace_#t~mem3#1;call write~int(cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);cstrreplace_#t~post4#1 := cstrreplace_~numReplaced~0#1;cstrreplace_~numReplaced~0#1 := 1 + cstrreplace_#t~post4#1;havoc cstrreplace_#t~post4#1; 127#L518-2 cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset := cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_#t~post5#1.base, 1 + cstrreplace_#t~post5#1.offset;havoc cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset; 126#L517-3 [2021-11-23 12:48:03,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:03,706 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-11-23 12:48:03,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:48:03,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394321980] [2021-11-23 12:48:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:48:03,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:48:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:03,765 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:48:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:03,817 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:48:03,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:03,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 1 times [2021-11-23 12:48:03,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:48:03,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767965759] [2021-11-23 12:48:03,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:48:03,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:48:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:03,848 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:48:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:03,865 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:48:03,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:03,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1952978730, now seen corresponding path program 1 times [2021-11-23 12:48:03,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:48:03,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475420334] [2021-11-23 12:48:03,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:48:03,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:48:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:48:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:48:04,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:48:04,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475420334] [2021-11-23 12:48:04,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475420334] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:48:04,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:48:04,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 12:48:04,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791756247] [2021-11-23 12:48:04,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:48:04,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:48:04,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 12:48:04,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:48:04,224 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:48:04,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:48:04,332 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-11-23 12:48:04,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 12:48:04,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-11-23 12:48:04,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-23 12:48:04,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2021-11-23 12:48:04,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-23 12:48:04,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-23 12:48:04,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-11-23 12:48:04,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:48:04,337 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-23 12:48:04,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-11-23 12:48:04,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-11-23 12:48:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:48:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-11-23 12:48:04,340 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-23 12:48:04,340 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-23 12:48:04,340 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 12:48:04,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-11-23 12:48:04,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-23 12:48:04,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:48:04,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:48:04,342 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:48:04,342 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-23 12:48:04,343 INFO L791 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 171#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 168#L528 assume !(main_~length1~0#1 < 1); 169#L528-2 call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 164#L533-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet9#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 165#L533-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 166#L533-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 167#L533-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrreplace } true;cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset, cstrreplace_#in~old#1, cstrreplace_#in~new#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, (if main_#t~nondet10#1 % 256 <= 127 then main_#t~nondet10#1 % 256 else main_#t~nondet10#1 % 256 - 256), (if main_#t~nondet11#1 % 256 <= 127 then main_#t~nondet11#1 % 256 else main_#t~nondet11#1 % 256 - 256);havoc cstrreplace_#res#1;havoc cstrreplace_#t~mem3#1, cstrreplace_#t~post4#1, cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset, cstrreplace_#t~mem2#1, cstrreplace_~s#1.base, cstrreplace_~s#1.offset, cstrreplace_~old#1, cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, cstrreplace_~numReplaced~0#1;cstrreplace_~s#1.base, cstrreplace_~s#1.offset := cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset;cstrreplace_~old#1 := cstrreplace_#in~old#1;cstrreplace_~new#1 := cstrreplace_#in~new#1;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_~s#1.base, cstrreplace_~s#1.offset;cstrreplace_~numReplaced~0#1 := 0; 172#L517-3 [2021-11-23 12:48:04,343 INFO L793 eck$LassoCheckResult]: Loop: 172#L517-3 call cstrreplace_#t~mem2#1 := read~int(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 174#L517-1 assume !!(0 != cstrreplace_#t~mem2#1);havoc cstrreplace_#t~mem2#1;call cstrreplace_#t~mem3#1 := read~int(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 175#L518 assume cstrreplace_#t~mem3#1 == cstrreplace_~old#1;havoc cstrreplace_#t~mem3#1;call write~int(cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);cstrreplace_#t~post4#1 := cstrreplace_~numReplaced~0#1;cstrreplace_~numReplaced~0#1 := 1 + cstrreplace_#t~post4#1;havoc cstrreplace_#t~post4#1; 173#L518-2 cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset := cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_#t~post5#1.base, 1 + cstrreplace_#t~post5#1.offset;havoc cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset; 172#L517-3 [2021-11-23 12:48:04,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:04,344 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-11-23 12:48:04,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:48:04,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125466000] [2021-11-23 12:48:04,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:48:04,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:48:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:04,364 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:48:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:04,386 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:48:04,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:04,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 2 times [2021-11-23 12:48:04,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:48:04,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826320171] [2021-11-23 12:48:04,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:48:04,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:48:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:04,395 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:48:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:04,402 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:48:04,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:04,403 INFO L85 PathProgramCache]: Analyzing trace with hash -357903304, now seen corresponding path program 1 times [2021-11-23 12:48:04,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:48:04,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471196536] [2021-11-23 12:48:04,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:48:04,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:48:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:04,428 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:48:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:48:04,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:48:05,354 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:48:05,355 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:48:05,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:48:05,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:48:05,355 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:48:05,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:05,355 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:48:05,355 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:48:05,356 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration3_Lasso [2021-11-23 12:48:05,356 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:48:05,356 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:48:05,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:05,436 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-23 12:48:06,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:06,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:06,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:06,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:06,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:06,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:06,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:07,059 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:48:07,063 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:48:07,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,066 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:07,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:07,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:07,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 12:48:07,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,137 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:07,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:07,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:07,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 12:48:07,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,209 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:07,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:07,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:07,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 12:48:07,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,279 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 12:48:07,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:07,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:07,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,353 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:07,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:07,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 12:48:07,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,420 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 12:48:07,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:07,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:07,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:07,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,458 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 12:48:07,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:07,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:07,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:07,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,492 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 12:48:07,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:07,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:07,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:07,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,558 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 12:48:07,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:48:07,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:48:07,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:48:07,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,621 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 12:48:07,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:07,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:07,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,671 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 12:48:07,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,682 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-23 12:48:07,682 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-23 12:48:07,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,700 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-11-23 12:48:07,700 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:48:07,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:07,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,790 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 12:48:07,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:07,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:07,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-23 12:48:07,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,879 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 12:48:07,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:07,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:07,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:07,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:07,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-23 12:48:07,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:07,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:07,955 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:07,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 12:48:07,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:07,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:07,970 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-23 12:48:07,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:07,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:07,979 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-23 12:48:07,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:08,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:48:08,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:08,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:08,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:08,056 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:08,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:48:08,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:48:08,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:48:08,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:48:08,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:48:08,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 12:48:08,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:48:08,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:48:08,095 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 12:48:08,116 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-23 12:48:08,116 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-11-23 12:48:08,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:48:08,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:48:08,117 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:48:08,119 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 12:48:08,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 12:48:08,137 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 12:48:08,137 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 12:48:08,137 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrreplace_~p~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2) = -1*ULTIMATE.start_cstrreplace_~p~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2 Supporting invariants [] [2021-11-23 12:48:08,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:08,181 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-11-23 12:48:08,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:48:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:48:08,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 12:48:08,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:48:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:48:08,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 12:48:08,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:48:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:48:08,354 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-23 12:48:08,355 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:48:08,405 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 5 states. [2021-11-23 12:48:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-23 12:48:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:48:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-11-23 12:48:08,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2021-11-23 12:48:08,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:48:08,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2021-11-23 12:48:08,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:48:08,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2021-11-23 12:48:08,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:48:08,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2021-11-23 12:48:08,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 12:48:08,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-11-23 12:48:08,414 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 12:48:08,414 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 12:48:08,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 12:48:08,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:48:08,414 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 12:48:08,414 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 12:48:08,415 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 12:48:08,415 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-23 12:48:08,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 12:48:08,415 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 12:48:08,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 12:48:08,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:48:08 BoogieIcfgContainer [2021-11-23 12:48:08,423 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 12:48:08,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:48:08,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:48:08,424 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:48:08,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:00" (3/4) ... [2021-11-23 12:48:08,427 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 12:48:08,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:48:08,428 INFO L158 Benchmark]: Toolchain (without parser) took 8836.99ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 50.0MB in the beginning and 40.7MB in the end (delta: 9.3MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2021-11-23 12:48:08,429 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:48:08,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.52ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.8MB in the beginning and 75.6MB in the end (delta: -25.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 12:48:08,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.82ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:48:08,431 INFO L158 Benchmark]: Boogie Preprocessor took 35.54ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 72.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:48:08,432 INFO L158 Benchmark]: RCFGBuilder took 441.13ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 62.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 12:48:08,432 INFO L158 Benchmark]: BuchiAutomizer took 7667.29ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 61.7MB in the beginning and 41.8MB in the end (delta: 20.0MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-23 12:48:08,433 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 130.0MB. Free memory was 41.8MB in the beginning and 40.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:48:08,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.52ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.8MB in the beginning and 75.6MB in the end (delta: -25.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.82ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.54ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 72.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.13ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 62.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7667.29ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 61.7MB in the beginning and 41.8MB in the end (delta: 20.0MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 130.0MB. Free memory was 41.8MB in the beginning and 40.7MB 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString1] and consists of 5 locations. One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 25 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital150 mio100 ax114 hnf99 lsp92 ukn128 mio100 lsp37 div119 bol100 ite100 ukn100 eq163 hnf81 smp96 dnf150 smp76 tf100 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-23 12:48:08,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-23 12:48:08,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4865e207-5945-445e-b86e-b089b4512ae1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE