./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4aab5dc49efb2008f48b80e5d09bedb13ca5cefa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:17:46,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:17:46,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:17:46,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:17:46,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:17:46,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:17:46,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:17:47,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:17:47,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:17:47,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:17:47,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:17:47,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:17:47,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:17:47,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:17:47,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:17:47,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:17:47,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:17:47,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:17:47,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:17:47,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:17:47,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:17:47,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:17:47,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:17:47,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:17:47,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:17:47,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:17:47,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:17:47,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:17:47,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:17:47,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:17:47,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:17:47,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:17:47,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:17:47,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:17:47,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:17:47,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:17:47,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:17:47,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:17:47,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:17:47,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:17:47,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:17:47,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:17:47,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:17:47,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:17:47,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:17:47,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:17:47,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:17:47,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:17:47,138 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:17:47,138 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:17:47,138 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:17:47,139 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:17:47,140 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:17:47,140 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:17:47,140 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:17:47,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:17:47,141 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:17:47,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:17:47,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:17:47,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:17:47,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:17:47,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:17:47,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:17:47,142 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:17:47,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:17:47,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:17:47,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:17:47,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:17:47,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:17:47,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:17:47,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:17:47,145 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:17:47,145 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_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aab5dc49efb2008f48b80e5d09bedb13ca5cefa [2021-10-13 00:17:47,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:17:47,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:17:47,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:17:47,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:17:47,517 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:17:47,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2021-10-13 00:17:47,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/data/564989694/42e8044fa1bc4364bd1856ff47af3b82/FLAG63de25771 [2021-10-13 00:17:48,188 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:17:48,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2021-10-13 00:17:48,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/data/564989694/42e8044fa1bc4364bd1856ff47af3b82/FLAG63de25771 [2021-10-13 00:17:48,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/data/564989694/42e8044fa1bc4364bd1856ff47af3b82 [2021-10-13 00:17:48,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:17:48,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:17:48,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:17:48,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:17:48,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:17:48,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:48,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3df73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48, skipping insertion in model container [2021-10-13 00:17:48,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:48,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:17:48,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:17:48,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:17:48,892 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:17:48,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:17:48,965 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:17:48,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48 WrapperNode [2021-10-13 00:17:48,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:17:48,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:17:48,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:17:48,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:17:48,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:48,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:49,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:17:49,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:17:49,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:17:49,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:17:49,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:49,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:49,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:49,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:49,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:49,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:49,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:49,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:17:49,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:17:49,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:17:49,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:17:49,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (1/1) ... [2021-10-13 00:17:49,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:49,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:49,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:49,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:17:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:17:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:17:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:17:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:17:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:17:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:17:49,459 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:17:49,459 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:17:49,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:17:49 BoogieIcfgContainer [2021-10-13 00:17:49,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:17:49,463 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:17:49,463 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:17:49,466 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:17:49,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:17:49,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:17:48" (1/3) ... [2021-10-13 00:17:49,469 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@374ccc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:17:49, skipping insertion in model container [2021-10-13 00:17:49,469 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:17:49,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:17:48" (2/3) ... [2021-10-13 00:17:49,470 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@374ccc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:17:49, skipping insertion in model container [2021-10-13 00:17:49,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:17:49,471 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:17:49" (3/3) ... [2021-10-13 00:17:49,478 INFO L389 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-1.i [2021-10-13 00:17:49,530 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:17:49,530 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:17:49,531 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:17:49,531 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:17:49,544 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:17:49,544 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:17:49,545 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:17:49,545 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:17:49,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:17:49,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:17:49,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:17:49,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:17:49,584 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:17:49,585 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:17:49,585 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:17:49,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:17:49,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:17:49,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:17:49,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:17:49,588 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:17:49,588 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:17:49,596 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~nondet9, main_#t~ret10, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 12#L562true assume !(main_~length1~0 < 1); 14#L562-2true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet8 % 256 <= 127 then main_#t~nondet8 % 256 else main_#t~nondet8 % 256 - 256), (if main_#t~nondet9 % 256 <= 127 then main_#t~nondet9 % 256 else main_#t~nondet9 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 5#L551-3true [2021-10-13 00:17:49,596 INFO L793 eck$LassoCheckResult]: Loop: 5#L551-3true call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 6#L551-1true assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 8#L552true assume cstrreplace_#t~mem3 == cstrreplace_~old;havoc cstrreplace_#t~mem3;call write~int(cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);cstrreplace_#t~post4 := cstrreplace_~numReplaced~0;cstrreplace_~numReplaced~0 := 1 + cstrreplace_#t~post4;havoc cstrreplace_#t~post4; 9#L552-2true cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset := cstrreplace_~p~0.base, cstrreplace_~p~0.offset;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_#t~post5.base, 1 + cstrreplace_#t~post5.offset;havoc cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset; 5#L551-3true [2021-10-13 00:17:49,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:17:49,604 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-13 00:17:49,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:17:49,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426918602] [2021-10-13 00:17:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:17:49,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:17:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:17:49,745 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:17:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:17:49,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:17:49,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:17:49,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1359562, now seen corresponding path program 1 times [2021-10-13 00:17:49,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:17:49,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213832224] [2021-10-13 00:17:49,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:17:49,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:17:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:17:49,881 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:17:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:17:49,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:17:49,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:17:49,913 INFO L82 PathProgramCache]: Analyzing trace with hash 176704686, now seen corresponding path program 1 times [2021-10-13 00:17:49,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:17:49,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3237817] [2021-10-13 00:17:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:17:49,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:17:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:17:49,967 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:17:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:17:50,034 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:17:50,951 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:17:50,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:17:50,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:17:50,953 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:17:50,953 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:17:50,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:50,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:17:50,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:17:50,954 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-1.i_Iteration1_Lasso [2021-10-13 00:17:50,954 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:17:50,954 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:17:50,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,080 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-10-13 00:17:51,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:51,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:17:52,640 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:17:52,646 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:17:52,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:52,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:52,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:52,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:17:52,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:52,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:52,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:17:52,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:52,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:52,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:52,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:17:52,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:17:52,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:52,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:52,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:52,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:52,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:52,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:17:52,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:52,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:52,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:52,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:52,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:52,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:17:52,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:17:52,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:52,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:52,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:52,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:52,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:52,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:17:52,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:52,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:52,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:17:52,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:52,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:52,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:52,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:17:52,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:17:52,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:52,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:52,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:52,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:52,818 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:52,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:17:52,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:52,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:52,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:17:52,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:52,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:52,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:52,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:17:52,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:17:52,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:52,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-13 00:17:52,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:52,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:52,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:52,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:52,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:17:52,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:52,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:17:52,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:52,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:52,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:52,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:17:52,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:17:52,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:52,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:52,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:52,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:52,922 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:52,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:17:52,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:52,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:52,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:17:52,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:52,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:52,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:52,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:17:52,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:17:52,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:52,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:52,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:52,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:52,984 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:52,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:53,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:53,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:53,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:53,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:53,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:17:53,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:17:53,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:17:53,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:53,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:53,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:53,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:53,064 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:53,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:17:53,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:53,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:53,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:17:53,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:53,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:53,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:53,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:17:53,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:17:53,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:53,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:53,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:53,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:53,107 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:53,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:17:53,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:53,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:53,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:53,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:53,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:53,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:17:53,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:17:53,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:53,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-13 00:17:53,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:53,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:53,177 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:53,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:17:53,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:53,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:53,188 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-13 00:17:53,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:53,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:53,197 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-13 00:17:53,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:17:53,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:17:53,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:53,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:53,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:53,236 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:53,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:17:53,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:17:53,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:17:53,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:17:53,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:17:53,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:17:53,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:17:53,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:17:53,301 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:17:53,369 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 00:17:53,369 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-13 00:17:53,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:17:53,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:17:53,373 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:17:53,379 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:17:53,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:17:53,418 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:17:53,418 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:17:53,418 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cstrreplace_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cstrreplace_~p~0.offset Supporting invariants [] [2021-10-13 00:17:53,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:53,502 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-10-13 00:17:53,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:17:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:17:53,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:17:53,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:17:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:17:53,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:17:53,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:17:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:17:53,737 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:17:53,739 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2021-10-13 00:17:53,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 24 states and 29 transitions. Complement of second has 6 states. [2021-10-13 00:17:53,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:17:53,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2021-10-13 00:17:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-13 00:17:53,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-13 00:17:53,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:17:53,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-13 00:17:53,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:17:53,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 8 letters. [2021-10-13 00:17:53,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:17:53,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-10-13 00:17:53,815 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:17:53,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-10-13 00:17:53,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:17:53,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:17:53,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:17:53,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:17:53,820 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:17:53,820 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:17:53,820 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:17:53,820 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:17:53,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:17:53,821 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:17:53,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:17:53,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:17:53 BoogieIcfgContainer [2021-10-13 00:17:53,827 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:17:53,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:17:53,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:17:53,828 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:17:53,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:17:49" (3/4) ... [2021-10-13 00:17:53,832 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:17:53,832 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:17:53,834 INFO L168 Benchmark]: Toolchain (without parser) took 5366.14 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 74.5 MB in the beginning and 37.1 MB in the end (delta: 37.4 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:17:53,834 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 113.2 MB. Free memory is still 91.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:17:53,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.04 ms. Allocated memory is still 113.2 MB. Free memory was 74.4 MB in the beginning and 82.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:17:53,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.23 ms. Allocated memory is still 113.2 MB. Free memory was 82.1 MB in the beginning and 80.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:17:53,836 INFO L168 Benchmark]: Boogie Preprocessor took 27.80 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 79.1 MB in the end (delta: 972.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:17:53,837 INFO L168 Benchmark]: RCFGBuilder took 418.16 ms. Allocated memory is still 113.2 MB. Free memory was 79.1 MB in the beginning and 69.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:17:53,838 INFO L168 Benchmark]: BuchiAutomizer took 4364.51 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 69.0 MB in the beginning and 37.1 MB in the end (delta: 31.9 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:17:53,838 INFO L168 Benchmark]: Witness Printer took 4.16 ms. Allocated memory is still 142.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:17:53,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 113.2 MB. Free memory is still 91.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.04 ms. Allocated memory is still 113.2 MB. Free memory was 74.4 MB in the beginning and 82.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.23 ms. Allocated memory is still 113.2 MB. Free memory was 82.1 MB in the beginning and 80.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.80 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 79.1 MB in the end (delta: 972.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 418.16 ms. Allocated memory is still 113.2 MB. Free memory was 79.1 MB in the beginning and 69.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4364.51 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 69.0 MB in the beginning and 37.1 MB in the end (delta: 31.9 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.16 ms. Allocated memory is still 142.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 15 SDslu, 3 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital196 mio100 ax109 hnf100 lsp106 ukn169 mio100 lsp15 div138 bol100 ite100 ukn100 eq157 hnf71 smp84 dnf222 smp53 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 5 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:17:53,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:17:54,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4189ee80-e19a-4ddb-98ae-b47b01b809ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...