./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R --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 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 16:46:37,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:46:37,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:46:37,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:46:37,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:46:37,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:46:37,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:46:37,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:46:37,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:46:37,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:46:37,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:46:37,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:46:37,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:46:37,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:46:37,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:46:37,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:46:37,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:46:37,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:46:37,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:46:37,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:46:37,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:46:37,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:46:37,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:46:37,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:46:37,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:46:37,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:46:37,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:46:37,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:46:37,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:46:37,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:46:37,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:46:37,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:46:37,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:46:37,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:46:37,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:46:37,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:46:37,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:46:37,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:46:37,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:46:37,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:46:37,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:46:37,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 16:46:37,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:46:37,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:46:37,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:46:37,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:46:37,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:46:37,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:46:37,770 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:46:37,770 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 16:46:37,771 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 16:46:37,771 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 16:46:37,772 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 16:46:37,772 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 16:46:37,773 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 16:46:37,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:46:37,773 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:46:37,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:46:37,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:46:37,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 16:46:37,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 16:46:37,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 16:46:37,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:46:37,775 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 16:46:37,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:46:37,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 16:46:37,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:46:37,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:46:37,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:46:37,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:46:37,780 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 16:46:37,780 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_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717baf941b5233bcdd3406dedb0f8a4ec61d7d81c585f16d362540f6a1da773f [2022-11-25 16:46:38,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:46:38,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:46:38,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:46:38,081 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:46:38,082 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:46:38,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2022-11-25 16:46:41,068 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:46:41,390 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:46:41,391 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/sv-benchmarks/c/termination-memory-alloca/openbsd_cbzero-alloca-1.i [2022-11-25 16:46:41,402 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/data/6a7af2ff7/a52f6949f6cf47c6863e6a3235ac3db7/FLAGa6751d588 [2022-11-25 16:46:41,417 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/data/6a7af2ff7/a52f6949f6cf47c6863e6a3235ac3db7 [2022-11-25 16:46:41,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:46:41,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:46:41,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:46:41,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:46:41,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:46:41,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37710eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41, skipping insertion in model container [2022-11-25 16:46:41,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:46:41,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:46:41,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:46:41,751 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:46:41,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:46:41,840 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:46:41,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41 WrapperNode [2022-11-25 16:46:41,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:46:41,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:46:41,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:46:41,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:46:41,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,886 INFO L138 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-11-25 16:46:41,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:46:41,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:46:41,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:46:41,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:46:41,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:46:41,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:46:41,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:46:41,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:46:41,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (1/1) ... [2022-11-25 16:46:41,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:41,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:41,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:41,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 16:46:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:46:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:46:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:46:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:46:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:46:42,116 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:46:42,119 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:46:42,280 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:46:42,285 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:46:42,286 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:46:42,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:46:42 BoogieIcfgContainer [2022-11-25 16:46:42,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:46:42,289 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 16:46:42,299 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 16:46:42,303 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 16:46:42,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:46:42,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 04:46:41" (1/3) ... [2022-11-25 16:46:42,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f5b2261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:46:42, skipping insertion in model container [2022-11-25 16:46:42,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:46:42,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:41" (2/3) ... [2022-11-25 16:46:42,306 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f5b2261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:46:42, skipping insertion in model container [2022-11-25 16:46:42,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:46:42,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:46:42" (3/3) ... [2022-11-25 16:46:42,308 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca-1.i [2022-11-25 16:46:42,422 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 16:46:42,423 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 16:46:42,423 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 16:46:42,423 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 16:46:42,423 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 16:46:42,423 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 16:46:42,424 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 16:46:42,424 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 16:46:42,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:46:42,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 16:46:42,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:46:42,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:46:42,464 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 16:46:42,464 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:46:42,465 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 16:46:42,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:46:42,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 16:46:42,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:46:42,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:46:42,468 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 16:46:42,469 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:46:42,478 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;main_~length~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7#L557true assume !(main_~length~0#1 < 1); 6#L557-2true assume !(main_~n~0#1 < 1); 5#L560-1true assume !(main_~n~0#1 > main_~length~0#1);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;assume { :begin_inline_cbzero } true;cbzero_#in~b#1.base, cbzero_#in~b#1.offset, cbzero_#in~length#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~n~0#1;havoc cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, cbzero_#t~post2#1, cbzero_~b#1.base, cbzero_~b#1.offset, cbzero_~length#1, cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~b#1.base, cbzero_~b#1.offset := cbzero_#in~b#1.base, cbzero_#in~b#1.offset;cbzero_~length#1 := cbzero_#in~length#1;havoc cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_~b#1.base, cbzero_~b#1.offset; 8#L551-3true [2022-11-25 16:46:42,478 INFO L750 eck$LassoCheckResult]: Loop: 8#L551-3true cbzero_#t~post2#1 := cbzero_~length#1;cbzero_~length#1 := cbzero_#t~post2#1 - 1; 9#L551-1true assume !!(0 != cbzero_#t~post2#1 % 18446744073709551616);havoc cbzero_#t~post2#1;cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset := cbzero_~p~0#1.base, cbzero_~p~0#1.offset;cbzero_~p~0#1.base, cbzero_~p~0#1.offset := cbzero_#t~post3#1.base, 1 + cbzero_#t~post3#1.offset;call write~int(0, cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset, 1);havoc cbzero_#t~post3#1.base, cbzero_#t~post3#1.offset; 8#L551-3true [2022-11-25 16:46:42,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:46:42,489 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2022-11-25 16:46:42,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:46:42,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619165604] [2022-11-25 16:46:42,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:46:42,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:46:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:46:42,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:46:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:46:42,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:46:42,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:46:42,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2022-11-25 16:46:42,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:46:42,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990829005] [2022-11-25 16:46:42,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:46:42,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:46:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:46:42,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:46:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:46:42,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:46:42,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:46:42,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939567, now seen corresponding path program 1 times [2022-11-25 16:46:42,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:46:42,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275336920] [2022-11-25 16:46:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:46:42,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:46:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:46:42,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:46:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:46:42,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:46:43,355 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:46:43,356 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:46:43,356 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:46:43,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:46:43,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:46:43,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:43,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:46:43,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:46:43,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca-1.i_Iteration1_Lasso [2022-11-25 16:46:43,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:46:43,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:46:43,384 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:43,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:46:44,302 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:46:44,307 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:46:44,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:44,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:44,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:44,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:46:44,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 16:46:44,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:46:44,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:46:44,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:46:44,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:46:44,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:46:44,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:46:44,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:46:44,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:46:44,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-25 16:46:44,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:44,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:44,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:44,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 16:46:44,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:46:44,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:46:44,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:46:44,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:46:44,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:46:44,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:46:44,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:46:44,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:46:44,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:46:44,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 16:46:44,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:44,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:44,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:44,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 16:46:44,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:46:44,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:46:44,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:46:44,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:46:44,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:46:44,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:46:44,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:46:44,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:46:44,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 16:46:44,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:44,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:44,449 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:44,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 16:46:44,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:46:44,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:46:44,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:46:44,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:46:44,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:46:44,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:46:44,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:46:44,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:46:44,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 16:46:44,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:44,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:44,543 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:44,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 16:46:44,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:46:44,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:46:44,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:46:44,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:46:44,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:46:44,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:46:44,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:46:44,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:46:44,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:46:44,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 16:46:44,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:44,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:44,641 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:44,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:46:44,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:46:44,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:46:44,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:46:44,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:46:44,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:46:44,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:46:44,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 16:46:44,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:46:44,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 16:46:44,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:44,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:44,683 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:44,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 16:46:44,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:46:44,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:46:44,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:46:44,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:46:44,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:46:44,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:46:44,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:46:44,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:46:44,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:46:44,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 16:46:44,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:44,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:44,737 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:44,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:46:44,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 16:46:44,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:46:44,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:46:44,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:46:44,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:46:44,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:46:44,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:46:44,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:46:44,901 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-25 16:46:44,901 INFO L444 ModelExtractionUtils]: 10 out of 37 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-11-25 16:46:44,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:46:44,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:44,943 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:44,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 16:46:44,945 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:46:44,967 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 16:46:44,967 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:46:44,968 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1, ULTIMATE.start_cbzero_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6#1.base)_1 - 1*ULTIMATE.start_cbzero_~p~0#1.offset Supporting invariants [] [2022-11-25 16:46:44,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-25 16:46:44,995 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2022-11-25 16:46:45,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:46:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:45,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 16:46:45,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:46:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:45,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 16:46:45,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:46:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:46:45,151 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-25 16:46:45,153 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:46:45,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 25 transitions. Complement of second has 6 states. [2022-11-25 16:46:45,210 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 [2022-11-25 16:46:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:46:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-25 16:46:45,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-25 16:46:45,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:46:45,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-25 16:46:45,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:46:45,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-25 16:46:45,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:46:45,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2022-11-25 16:46:45,225 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:46:45,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2022-11-25 16:46:45,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 16:46:45,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 16:46:45,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 16:46:45,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:46:45,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:46:45,230 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:46:45,233 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:46:45,233 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 16:46:45,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:46:45,235 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:46:45,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 16:46:45,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 04:46:45 BoogieIcfgContainer [2022-11-25 16:46:45,242 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 16:46:45,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:46:45,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:46:45,243 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:46:45,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:46:42" (3/4) ... [2022-11-25 16:46:45,246 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:46:45,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:46:45,247 INFO L158 Benchmark]: Toolchain (without parser) took 3826.51ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 112.3MB in the beginning and 130.1MB in the end (delta: -17.7MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2022-11-25 16:46:45,248 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:46:45,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.92ms. Allocated memory is still 144.7MB. Free memory was 111.9MB in the beginning and 96.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 16:46:45,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.16ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 94.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:46:45,249 INFO L158 Benchmark]: Boogie Preprocessor took 19.19ms. Allocated memory is still 144.7MB. Free memory was 94.6MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:46:45,250 INFO L158 Benchmark]: RCFGBuilder took 381.73ms. Allocated memory is still 144.7MB. Free memory was 93.5MB in the beginning and 83.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 16:46:45,251 INFO L158 Benchmark]: BuchiAutomizer took 2953.14ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 83.5MB in the beginning and 130.1MB in the end (delta: -46.5MB). Peak memory consumption was 559.5kB. Max. memory is 16.1GB. [2022-11-25 16:46:45,251 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 190.8MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:46:45,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 144.7MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.92ms. Allocated memory is still 144.7MB. Free memory was 111.9MB in the beginning and 96.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.16ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 94.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.19ms. Allocated memory is still 144.7MB. Free memory was 94.6MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 381.73ms. Allocated memory is still 144.7MB. Free memory was 93.5MB in the beginning and 83.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2953.14ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 83.5MB in the beginning and 130.1MB in the end (delta: -46.5MB). Peak memory consumption was 559.5kB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 190.8MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 12 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital124 mio100 ax114 hnf100 lsp83 ukn96 mio100 lsp60 div207 bol100 ite100 ukn100 eq164 hnf92 smp66 dnf100 smp100 tf100 neg97 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 16:46:45,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 16:46:45,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8ec429-dbf9-45a4-b292-fbc059d9b190/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE