./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1ad2d5826e88851ec05294e79547a11a54665f4a2cf6f0e66f9eabed656148f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:46:53,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:46:53,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:46:53,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:46:53,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:46:53,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:46:53,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:46:53,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:46:53,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:46:53,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:46:53,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:46:53,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:46:53,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:46:53,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:46:53,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:46:53,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:46:53,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:46:53,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:46:53,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:46:53,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:46:53,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:46:53,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:46:53,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:46:53,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:46:53,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:46:53,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:46:53,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:46:53,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:46:53,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:46:53,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:46:53,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:46:53,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:46:53,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:46:53,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:46:53,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:46:53,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:46:53,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:46:53,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:46:53,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:46:53,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:46:53,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:46:53,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:46:53,124 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:46:53,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:46:53,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:46:53,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:46:53,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:46:53,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:46:53,127 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:46:53,127 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:46:53,128 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:46:53,128 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:46:53,128 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:46:53,129 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:46:53,129 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:46:53,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:46:53,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:46:53,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:46:53,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:46:53,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:46:53,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:46:53,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:46:53,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:46:53,132 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:46:53,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:46:53,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:46:53,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:46:53,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:46:53,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:46:53,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:46:53,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:46:53,136 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:46:53,136 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_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ad2d5826e88851ec05294e79547a11a54665f4a2cf6f0e66f9eabed656148f [2021-10-28 23:46:53,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:46:53,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:46:53,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:46:53,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:46:53,479 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:46:53,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2021-10-28 23:46:53,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/data/cd183f31d/0079fc99a186411f8b6b63539d67c218/FLAG2d18b95a3 [2021-10-28 23:46:54,214 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:46:54,215 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2021-10-28 23:46:54,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/data/cd183f31d/0079fc99a186411f8b6b63539d67c218/FLAG2d18b95a3 [2021-10-28 23:46:54,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/data/cd183f31d/0079fc99a186411f8b6b63539d67c218 [2021-10-28 23:46:54,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:46:54,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:46:54,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:46:54,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:46:54,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:46:54,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:54,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627df2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54, skipping insertion in model container [2021-10-28 23:46:54,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:54,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:46:54,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:46:54,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:46:54,871 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:46:54,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:46:54,984 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:46:54,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54 WrapperNode [2021-10-28 23:46:54,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:46:54,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:46:54,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:46:54,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:46:54,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:46:55,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:46:55,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:46:55,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:46:55,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:46:55,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:46:55,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:46:55,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:46:55,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (1/1) ... [2021-10-28 23:46:55,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:55,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:55,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:55,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:46:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:46:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:46:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:46:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:46:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:46:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:46:55,478 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:46:55,478 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 23:46:55,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:46:55 BoogieIcfgContainer [2021-10-28 23:46:55,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:46:55,493 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:46:55,493 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:46:55,508 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:46:55,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:46:55,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:46:54" (1/3) ... [2021-10-28 23:46:55,513 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@481f7ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:46:55, skipping insertion in model container [2021-10-28 23:46:55,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:46:55,513 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:46:54" (2/3) ... [2021-10-28 23:46:55,514 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@481f7ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:46:55, skipping insertion in model container [2021-10-28 23:46:55,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:46:55,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:46:55" (3/3) ... [2021-10-28 23:46:55,515 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-2.i [2021-10-28 23:46:55,563 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:46:55,564 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:46:55,564 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:46:55,564 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:46:55,564 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:46:55,564 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:46:55,564 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:46:55,564 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:46:55,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,601 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 23:46:55,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:46:55,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:46:55,607 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:46:55,607 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:46:55,608 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:46:55,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:55,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 23:46:55,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:46:55,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:46:55,611 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:46:55,611 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:46:55,618 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 8#L570true assume !(main_~length~0 < 1); 18#L570-2true assume !(main_~n~1 < 1); 7#L573-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 12#L553true assume 0 != cstrlcpy_~n~0; 15#L554-3true [2021-10-28 23:46:55,619 INFO L793 eck$LassoCheckResult]: Loop: 15#L554-3true cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 9#L554-1true assume !!(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 13#L555true assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset;havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5; 15#L554-3true [2021-10-28 23:46:55,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:55,625 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2021-10-28 23:46:55,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:55,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922131468] [2021-10-28 23:46:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:55,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:55,762 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:46:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:55,813 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:46:55,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:55,817 INFO L85 PathProgramCache]: Analyzing trace with hash 52795, now seen corresponding path program 1 times [2021-10-28 23:46:55,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:55,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697901818] [2021-10-28 23:46:55,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:55,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:55,856 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:46:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:55,889 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:46:55,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:55,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1298289360, now seen corresponding path program 1 times [2021-10-28 23:46:55,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:55,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827373961] [2021-10-28 23:46:55,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:55,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:56,002 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:46:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:56,077 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:46:57,139 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:46:57,140 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:46:57,140 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:46:57,140 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:46:57,140 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:46:57,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:57,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:46:57,141 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:46:57,141 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration1_Lasso [2021-10-28 23:46:57,141 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:46:57,141 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:46:57,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:57,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:46:58,616 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:46:58,621 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:46:58,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:58,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:58,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:58,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:46:58,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:46:58,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:46:58,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:46:58,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:46:58,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:46:58,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:46:58,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:46:58,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:46:58,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:46:58,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:58,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:58,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:58,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:58,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:46:58,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:46:58,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:46:58,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:46:58,725 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:46:58,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:46:58,810 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 23:46:58,817 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 23:46:58,920 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:46:59,199 INFO L443 ModelExtractionUtils]: Simplification made 31 calls to the SMT solver. [2021-10-28 23:46:59,199 INFO L444 ModelExtractionUtils]: 64 out of 101 variables were initially zero. Simplification set additionally 34 variables to zero. [2021-10-28 23:46:59,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:46:59,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:46:59,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:46:59,213 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:46:59,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:46:59,239 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-28 23:46:59,239 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:46:59,239 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1) = -1*ULTIMATE.start_cstrlcpy_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 Supporting invariants [] [2021-10-28 23:46:59,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:59,338 INFO L297 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2021-10-28 23:46:59,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:59,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-28 23:46:59,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:46:59,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:46:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:59,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-28 23:46:59,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:46:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:59,636 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 [2021-10-28 23:46:59,637 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:59,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 75 transitions. Complement of second has 7 states. [2021-10-28 23:46:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:46:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2021-10-28 23:46:59,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-28 23:46:59,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:46:59,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 9 letters. Loop has 3 letters. [2021-10-28 23:46:59,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:46:59,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 6 letters. [2021-10-28 23:46:59,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:46:59,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 75 transitions. [2021-10-28 23:46:59,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:46:59,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 24 states and 32 transitions. [2021-10-28 23:46:59,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-28 23:46:59,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-10-28 23:46:59,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2021-10-28 23:46:59,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:46:59,755 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2021-10-28 23:46:59,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2021-10-28 23:46:59,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 16. [2021-10-28 23:46:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.4375) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2021-10-28 23:46:59,780 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2021-10-28 23:46:59,780 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2021-10-28 23:46:59,780 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:46:59,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2021-10-28 23:46:59,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:46:59,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:46:59,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:46:59,782 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:59,782 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:46:59,783 INFO L791 eck$LassoCheckResult]: Stem: 195#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 196#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 201#L570 assume !(main_~length~0 < 1); 202#L570-2 assume !(main_~n~1 < 1); 199#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 200#L553 assume !(0 != cstrlcpy_~n~0); 204#L553-1 assume 0 == cstrlcpy_~n~0; 197#L560 assume !(0 != cstrlcpy_~siz); 198#L562-2 [2021-10-28 23:46:59,783 INFO L793 eck$LassoCheckResult]: Loop: 198#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 210#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 198#L562-2 [2021-10-28 23:46:59,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:59,783 INFO L85 PathProgramCache]: Analyzing trace with hash 180447461, now seen corresponding path program 1 times [2021-10-28 23:46:59,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:59,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139392404] [2021-10-28 23:46:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:59,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:46:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:46:59,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:46:59,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139392404] [2021-10-28 23:46:59,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139392404] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:46:59,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:46:59,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:46:59,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612209800] [2021-10-28 23:46:59,861 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:46:59,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:59,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 1 times [2021-10-28 23:46:59,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:59,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334498764] [2021-10-28 23:46:59,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:59,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:46:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:59,884 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:46:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:46:59,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:46:59,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:46:59,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:46:59,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:46:59,940 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:59,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:46:59,963 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2021-10-28 23:46:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:46:59,964 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 22 transitions. [2021-10-28 23:46:59,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:46:59,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 22 transitions. [2021-10-28 23:46:59,967 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 23:46:59,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 23:46:59,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-10-28 23:46:59,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:46:59,968 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-28 23:46:59,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-10-28 23:46:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 23:46:59,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:46:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2021-10-28 23:46:59,974 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-28 23:46:59,974 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-28 23:46:59,974 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:46:59,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2021-10-28 23:46:59,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:46:59,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:46:59,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:46:59,978 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:46:59,978 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:46:59,978 INFO L791 eck$LassoCheckResult]: Stem: 236#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 237#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 246#L570 assume !(main_~length~0 < 1); 247#L570-2 assume !(main_~n~1 < 1); 240#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 241#L553 assume 0 != cstrlcpy_~n~0; 248#L554-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 242#L554-1 assume !(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2; 243#L553-1 assume 0 == cstrlcpy_~n~0; 238#L560 assume !(0 != cstrlcpy_~siz); 239#L562-2 [2021-10-28 23:46:59,978 INFO L793 eck$LassoCheckResult]: Loop: 239#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 251#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 239#L562-2 [2021-10-28 23:46:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:46:59,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1592262900, now seen corresponding path program 1 times [2021-10-28 23:46:59,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:46:59,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880855250] [2021-10-28 23:46:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:46:59,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:47:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:47:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:47:00,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:47:00,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880855250] [2021-10-28 23:47:00,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880855250] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:47:00,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:47:00,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:47:00,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538335928] [2021-10-28 23:47:00,045 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:47:00,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:47:00,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 2 times [2021-10-28 23:47:00,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:47:00,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119567524] [2021-10-28 23:47:00,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:47:00,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:47:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:47:00,059 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:47:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:47:00,067 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:47:00,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:47:00,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:47:00,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:47:00,110 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:47:00,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:47:00,129 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2021-10-28 23:47:00,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:47:00,130 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2021-10-28 23:47:00,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:47:00,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2021-10-28 23:47:00,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 23:47:00,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 23:47:00,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-10-28 23:47:00,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:47:00,136 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-28 23:47:00,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-10-28 23:47:00,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 23:47:00,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:47:00,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-10-28 23:47:00,139 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-28 23:47:00,139 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-28 23:47:00,139 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:47:00,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-10-28 23:47:00,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:47:00,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:47:00,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:47:00,142 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:47:00,143 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:47:00,143 INFO L791 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 278#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 283#L570 assume !(main_~length~0 < 1); 284#L570-2 assume !(main_~n~1 < 1); 281#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 282#L553 assume 0 != cstrlcpy_~n~0; 289#L554-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 285#L554-1 assume !(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2; 286#L553-1 assume 0 == cstrlcpy_~n~0; 279#L560 assume 0 != cstrlcpy_~siz;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 280#L562-2 [2021-10-28 23:47:00,143 INFO L793 eck$LassoCheckResult]: Loop: 280#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 292#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 280#L562-2 [2021-10-28 23:47:00,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:47:00,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1592262898, now seen corresponding path program 1 times [2021-10-28 23:47:00,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:47:00,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871816088] [2021-10-28 23:47:00,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:47:00,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:47:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:47:00,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:47:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:47:00,211 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:47:00,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:47:00,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 3 times [2021-10-28 23:47:00,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:47:00,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65102209] [2021-10-28 23:47:00,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:47:00,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:47:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:47:00,224 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:47:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:47:00,231 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:47:00,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:47:00,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1156289271, now seen corresponding path program 1 times [2021-10-28 23:47:00,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:47:00,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480386257] [2021-10-28 23:47:00,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:47:00,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:47:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:47:00,276 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:47:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:47:00,313 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:47:01,366 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:47:01,366 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:47:01,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:47:01,366 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:47:01,366 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:47:01,367 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:01,367 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:47:01,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:47:01,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration4_Lasso [2021-10-28 23:47:01,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:47:01,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:47:01,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:01,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:47:02,271 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:47:02,271 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:47:02,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:47:02,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:47:02,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:47:02,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:47:02,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 23:47:02,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:47:02,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:47:02,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:47:02,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:47:02,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,416 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:47:02,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:47:02,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:47:02,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:47:02,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 23:47:02,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,452 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:47:02,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:47:02,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:47:02,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,515 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:47:02,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,538 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:47:02,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,539 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:47:02,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:47:02,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:47:02,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,591 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:47:02,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:47:02,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:47:02,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,649 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:47:02,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:47:02,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:47:02,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,706 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:47:02,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:47:02,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:47:02,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,782 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:47:02,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:47:02,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:47:02,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:47:02,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:47:02,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:47:02,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,906 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:47:02,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:47:02,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:47:02,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:02,940 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:02,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:02,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:47:02,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:02,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:02,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:02,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:02,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:47:02,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:47:02,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:47:02,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:02,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:02,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:03,000 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:03,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:47:03,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:47:03,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:47:03,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:47:03,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:47:03,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:47:03,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:47:03,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:47:03,045 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:47:03,083 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 23:47:03,083 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-10-28 23:47:03,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:03,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:03,085 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:03,093 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:47:03,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:47:03,116 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:47:03,117 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:47:03,117 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~s~0.offset, v_rep(select #length ULTIMATE.start_cstrlcpy_~s~0.base)_2) = -1*ULTIMATE.start_cstrlcpy_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrlcpy_~s~0.base)_2 Supporting invariants [] [2021-10-28 23:47:03,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:03,221 INFO L297 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2021-10-28 23:47:03,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:47:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:47:03,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:47:03,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:47:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:47:03,287 WARN L261 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:47:03,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:47:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:47:03,315 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:47:03,315 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2021-10-28 23:47:03,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 18 states and 23 transitions. Complement of second has 4 states. [2021-10-28 23:47:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:47:03,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2021-10-28 23:47:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2021-10-28 23:47:03,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-28 23:47:03,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:47:03,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-28 23:47:03,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:47:03,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-28 23:47:03,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:47:03,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-10-28 23:47:03,324 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:47:03,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-10-28 23:47:03,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:47:03,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:47:03,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:47:03,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:47:03,324 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:47:03,325 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:47:03,325 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:47:03,325 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:47:03,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:47:03,325 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:47:03,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:47:03,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:47:03 BoogieIcfgContainer [2021-10-28 23:47:03,330 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:47:03,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:47:03,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:47:03,330 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:47:03,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:46:55" (3/4) ... [2021-10-28 23:47:03,334 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:47:03,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:47:03,335 INFO L168 Benchmark]: Toolchain (without parser) took 8846.97 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 65.7 MB in the beginning and 76.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:03,336 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 88.1 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:47:03,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.77 ms. Allocated memory is still 88.1 MB. Free memory was 65.5 MB in the beginning and 58.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:03,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.43 ms. Allocated memory is still 88.1 MB. Free memory was 58.0 MB in the beginning and 56.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:03,337 INFO L168 Benchmark]: Boogie Preprocessor took 43.94 ms. Allocated memory is still 88.1 MB. Free memory was 56.1 MB in the beginning and 54.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:03,338 INFO L168 Benchmark]: RCFGBuilder took 416.49 ms. Allocated memory is still 88.1 MB. Free memory was 54.8 MB in the beginning and 43.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:03,338 INFO L168 Benchmark]: BuchiAutomizer took 7836.96 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 43.9 MB in the beginning and 77.6 MB in the end (delta: -33.7 MB). Peak memory consumption was 557.6 kB. Max. memory is 16.1 GB. [2021-10-28 23:47:03,339 INFO L168 Benchmark]: Witness Printer took 3.73 ms. Allocated memory is still 121.6 MB. Free memory was 77.6 MB in the beginning and 76.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:03,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 88.1 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 495.77 ms. Allocated memory is still 88.1 MB. Free memory was 65.5 MB in the beginning and 58.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.43 ms. Allocated memory is still 88.1 MB. Free memory was 58.0 MB in the beginning and 56.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.94 ms. Allocated memory is still 88.1 MB. Free memory was 56.1 MB in the beginning and 54.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 416.49 ms. Allocated memory is still 88.1 MB. Free memory was 54.8 MB in the beginning and 43.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7836.96 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 43.9 MB in the beginning and 77.6 MB in the end (delta: -33.7 MB). Peak memory consumption was 557.6 kB. Max. memory is 16.1 GB. * Witness Printer took 3.73 ms. Allocated memory is still 121.6 MB. Free memory was 77.6 MB in the beginning and 76.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 7.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 68 SDtfs, 64 SDslu, 52 SDs, 0 SdLazy, 32 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital245 mio100 ax107 hnf99 lsp90 ukn80 mio100 lsp40 div100 bol100 ite100 ukn100 eq202 hnf88 smp97 dnf118 smp100 tf100 neg99 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 534ms VariablesStem: 19 VariablesLoop: 12 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:47:03,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:47:03,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518904e6-f8a7-49e1-8a87-04465442df6a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...