./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.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_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/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_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/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_74a2aeab-1056-4767-b587-21bc366111ab/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 3607a2efd08edc90448739913473b3ff26ff3cc3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:50:27,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:50:27,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:50:27,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:50:27,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:50:27,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:50:27,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:50:27,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:50:27,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:50:27,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:50:27,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:50:27,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:50:27,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:50:27,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:50:27,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:50:27,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:50:27,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:50:27,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:50:27,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:50:27,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:50:27,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:50:27,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:50:27,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:50:27,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:50:27,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:50:27,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:50:27,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:50:27,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:50:27,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:50:27,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:50:27,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:50:27,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:50:27,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:50:27,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:50:27,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:50:27,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:50:27,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:50:27,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:50:27,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:50:27,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:50:27,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:50:27,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:50:28,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:50:28,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:50:28,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:50:28,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:50:28,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:50:28,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:50:28,023 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:50:28,023 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:50:28,023 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:50:28,023 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:50:28,024 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:50:28,024 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:50:28,024 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:50:28,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:50:28,025 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:50:28,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:50:28,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:50:28,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:50:28,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:50:28,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:50:28,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:50:28,026 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:50:28,026 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:50:28,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:50:28,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:50:28,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:50:28,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:50:28,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:50:28,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:50:28,029 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:50:28,029 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_74a2aeab-1056-4767-b587-21bc366111ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3607a2efd08edc90448739913473b3ff26ff3cc3 [2021-10-13 00:50:28,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:50:28,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:50:28,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:50:28,342 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:50:28,343 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:50:28,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2021-10-13 00:50:28,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/data/1cf7af857/b78b788dcb8649f2961a88e587fd5a74/FLAG7adcc3355 [2021-10-13 00:50:29,071 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:50:29,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2021-10-13 00:50:29,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/data/1cf7af857/b78b788dcb8649f2961a88e587fd5a74/FLAG7adcc3355 [2021-10-13 00:50:29,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/data/1cf7af857/b78b788dcb8649f2961a88e587fd5a74 [2021-10-13 00:50:29,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:50:29,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:50:29,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:29,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:50:29,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:50:29,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c99bd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29, skipping insertion in model container [2021-10-13 00:50:29,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:50:29,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:50:29,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:29,719 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:50:29,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:29,810 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:50:29,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29 WrapperNode [2021-10-13 00:50:29,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:29,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:29,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:50:29,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:50:29,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:29,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:50:29,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:50:29,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:50:29,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:50:29,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:50:29,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:50:29,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:50:29,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (1/1) ... [2021-10-13 00:50:29,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:29,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:29,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:29,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:50:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:50:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:50:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:50:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:50:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:50:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:50:30,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:50:30,317 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:50:30,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:30 BoogieIcfgContainer [2021-10-13 00:50:30,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:50:30,320 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:50:30,320 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:50:30,323 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:50:30,324 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:50:30,324 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:50:29" (1/3) ... [2021-10-13 00:50:30,329 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1aa474c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:50:30, skipping insertion in model container [2021-10-13 00:50:30,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:50:30,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:29" (2/3) ... [2021-10-13 00:50:30,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1aa474c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:50:30, skipping insertion in model container [2021-10-13 00:50:30,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:50:30,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:30" (3/3) ... [2021-10-13 00:50:30,331 INFO L389 chiAutomizerObserver]: Analyzing ICFG aviad_true-alloca.i [2021-10-13 00:50:30,389 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:50:30,389 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:50:30,390 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:50:30,390 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:50:30,390 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:50:30,390 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:50:30,390 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:50:30,390 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:50:30,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:50:30,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:50:30,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:50:30,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:50:30,428 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:50:30,428 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:50:30,429 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:50:30,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:50:30,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:50:30,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:50:30,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:50:30,431 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:50:30,431 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:50:30,437 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~x~0, main_~count~1;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13;f_#in~a := main_~x~0;havoc f_#res;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~mem6, f_#t~mem7, f_#t~mem8, f_#t~mem9, f_#t~mem10, f_#t~post11, f_#t~mem5, f_#t~mem12, f_~a, f_~a_ref~0.base, f_~a_ref~0.offset, f_~tmp~0.base, f_~tmp~0.offset, f_~count~0.base, f_~count~0.offset;f_~a := f_#in~a;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~a_ref~0.base, f_~a_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~tmp~0.base, f_~tmp~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~count~0.base, f_~count~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call write~int(f_~a, f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int(0, f_~tmp~0.base, f_~tmp~0.offset, 4);call write~int(0, f_~count~0.base, f_~count~0.offset, 4); 8#L554-3true [2021-10-13 00:50:30,438 INFO L793 eck$LassoCheckResult]: Loop: 8#L554-3true call f_#t~mem5 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4); 10#L554-1true assume !!(f_#t~mem5 > 1);havoc f_#t~mem5;call f_#t~mem6 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int((if f_#t~mem6 < 0 && 0 != f_#t~mem6 % 2 then f_#t~mem6 % 2 - 2 else f_#t~mem6 % 2), f_~tmp~0.base, f_~tmp~0.offset, 4);havoc f_#t~mem6;call f_#t~mem7 := read~int(f_~tmp~0.base, f_~tmp~0.offset, 4); 6#L556true assume !(0 == f_#t~mem7);havoc f_#t~mem7;call f_#t~mem9 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int(f_#t~mem9 - 1, f_~a_ref~0.base, f_~a_ref~0.offset, 4);havoc f_#t~mem9; 9#L556-2true call f_#t~mem10 := read~int(f_~count~0.base, f_~count~0.offset, 4);f_#t~post11 := f_#t~mem10;call write~int(1 + f_#t~post11, f_~count~0.base, f_~count~0.offset, 4);havoc f_#t~mem10;havoc f_#t~post11; 8#L554-3true [2021-10-13 00:50:30,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:50:30,444 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 00:50:30,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:50:30,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70094301] [2021-10-13 00:50:30,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:50:30,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:50:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:30,646 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:50:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:30,731 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:50:30,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:50:30,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1144136, now seen corresponding path program 1 times [2021-10-13 00:50:30,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:50:30,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612066990] [2021-10-13 00:50:30,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:50:30,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:50:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:30,794 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:50:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:30,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:50:30,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:50:30,856 INFO L82 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2021-10-13 00:50:30,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:50:30,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389099755] [2021-10-13 00:50:30,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:50:30,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:50:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:30,909 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:50:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:30,978 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:50:31,985 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:50:31,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:50:31,986 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:50:31,986 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:50:31,986 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:50:31,986 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:31,987 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:50:31,987 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:50:31,987 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad_true-alloca.i_Iteration1_Lasso [2021-10-13 00:50:31,987 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:50:31,987 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:50:32,016 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 00:50:32,025 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 00:50:32,027 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 00:50:32,516 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 00:50:32,520 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 00:50:32,522 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 00:50:32,526 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 00:50:32,528 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 00:50:32,531 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 00:50:32,535 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 00:50:32,537 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 00:50:32,540 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 00:50:32,542 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 00:50:32,544 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 00:50:32,546 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 00:50:32,550 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 00:50:32,553 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 00:50:32,555 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 00:50:32,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:50:33,068 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:50:33,072 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:50:33,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,089 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 00:50:33,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:50:33,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:50:33,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:50:33,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:50:33,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:50:33,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:50:33,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,164 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 00:50:33,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:50:33,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:50:33,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:50:33,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:50:33,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:50:33,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:50:33,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:50:33,217 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 00:50:33,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:50:33,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:50:33,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:50:33,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-13 00:50:33,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,265 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:50:33,267 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 00:50:33,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:50:33,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:50:33,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:50:33,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-13 00:50:33,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,306 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:50:33,307 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 00:50:33,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:50:33,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:50:33,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:50:33,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:50:33,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,366 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,385 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 00:50:33,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:50:33,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:50:33,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:50:33,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:50:33,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:50:33,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,442 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:50:33,447 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 00:50:33,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:50:33,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:50:33,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:50:33,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-13 00:50:33,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,537 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:50:33,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:50:33,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:50:33,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:50:33,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:50:33,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:50:33,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,621 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,626 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 00:50:33,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:50:33,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:50:33,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:50:33,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:50:33,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:50:33,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,688 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:50:33,690 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 00:50:33,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:50:33,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:50:33,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:50:33,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:50:33,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:50:33,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:50:33,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:50:33,767 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 00:50:33,767 INFO L444 ModelExtractionUtils]: 12 out of 19 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-13 00:50:33,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:50:33,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:33,777 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:33,790 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:50:33,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:50:33,814 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:50:33,814 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:50:33,815 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0.base) ULTIMATE.start_f_~a_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0.base) ULTIMATE.start_f_~a_ref~0.offset)_1 Supporting invariants [] [2021-10-13 00:50:33,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:50:33,955 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 00:50:34,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:50:34,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:50:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:50:34,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:50:34,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:50:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:50:34,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:50:34,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:50:34,204 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-10-13 00:50:34,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2021-10-13 00:50:34,510 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-10-13 00:50:34,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 72 [2021-10-13 00:50:34,865 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 00:50:34,880 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-13 00:50:34,881 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:50:34,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 30 transitions. Complement of second has 9 states. [2021-10-13 00:50:34,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 00:50:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:50:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2021-10-13 00:50:35,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-13 00:50:35,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:50:35,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:50:35,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:50:35,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 2 letters. Loop has 8 letters. [2021-10-13 00:50:35,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:50:35,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2021-10-13 00:50:35,010 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:50:35,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2021-10-13 00:50:35,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:50:35,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:50:35,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:50:35,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:50:35,014 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:50:35,014 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:50:35,014 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:50:35,015 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:50:35,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:50:35,015 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:50:35,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:50:35,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:50:35 BoogieIcfgContainer [2021-10-13 00:50:35,021 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:50:35,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:50:35,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:50:35,022 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:50:35,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:30" (3/4) ... [2021-10-13 00:50:35,025 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:50:35,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:50:35,027 INFO L168 Benchmark]: Toolchain (without parser) took 5655.92 ms. Allocated memory was 109.1 MB in the beginning and 182.5 MB in the end (delta: 73.4 MB). Free memory was 71.2 MB in the beginning and 85.4 MB in the end (delta: -14.3 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:35,028 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory was 77.8 MB in the beginning and 77.7 MB in the end (delta: 66.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:50:35,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.02 ms. Allocated memory is still 109.1 MB. Free memory was 71.0 MB in the beginning and 56.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:35,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.25 ms. Allocated memory is still 109.1 MB. Free memory was 56.1 MB in the beginning and 54.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:35,035 INFO L168 Benchmark]: Boogie Preprocessor took 21.61 ms. Allocated memory is still 109.1 MB. Free memory was 54.2 MB in the beginning and 53.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:50:35,036 INFO L168 Benchmark]: RCFGBuilder took 422.52 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 53.0 MB in the beginning and 121.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:35,037 INFO L168 Benchmark]: BuchiAutomizer took 4701.35 ms. Allocated memory was 148.9 MB in the beginning and 182.5 MB in the end (delta: 33.6 MB). Free memory was 121.6 MB in the beginning and 85.4 MB in the end (delta: 36.2 MB). Peak memory consumption was 68.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:35,038 INFO L168 Benchmark]: Witness Printer took 3.49 ms. Allocated memory is still 182.5 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:50:35,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory was 77.8 MB in the beginning and 77.7 MB in the end (delta: 66.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.02 ms. Allocated memory is still 109.1 MB. Free memory was 71.0 MB in the beginning and 56.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.25 ms. Allocated memory is still 109.1 MB. Free memory was 56.1 MB in the beginning and 54.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.61 ms. Allocated memory is still 109.1 MB. Free memory was 54.2 MB in the beginning and 53.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 422.52 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 53.0 MB in the beginning and 121.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4701.35 ms. Allocated memory was 148.9 MB in the beginning and 182.5 MB in the end (delta: 33.6 MB). Free memory was 121.6 MB in the beginning and 85.4 MB in the end (delta: 36.2 MB). Peak memory consumption was 68.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.49 ms. Allocated memory is still 182.5 MB. Free memory is still 85.4 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-#memory_int-unknown[a_ref][a_ref] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. 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: 5 SDtfs, 5 SDslu, 9 SDs, 0 SdLazy, 20 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital426 mio100 ax104 hnf100 lsp94 ukn43 mio100 lsp39 div100 bol100 ite100 ukn100 eq182 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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 00:50:35,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74a2aeab-1056-4767-b587-21bc366111ab/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...