./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcat_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcat_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8 --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 49ee62d4582077ea40eccd3b6a167211b0327741ab3db574b13fc7447950d902 --- 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-2329fc7 [2022-12-13 14:20:44,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:20:44,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:20:44,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:20:44,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:20:44,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:20:44,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:20:44,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:20:44,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:20:44,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:20:44,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:20:44,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:20:44,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:20:44,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:20:44,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:20:44,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:20:44,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:20:44,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:20:44,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:20:44,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:20:44,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:20:44,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:20:44,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:20:44,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:20:44,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:20:44,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:20:44,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:20:44,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:20:44,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:20:44,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:20:44,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:20:44,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:20:44,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:20:44,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:20:44,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:20:44,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:20:44,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:20:44,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:20:44,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:20:44,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:20:44,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:20:44,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 14:20:44,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:20:44,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:20:44,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:20:44,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:20:44,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:20:44,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:20:44,475 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:20:44,475 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 14:20:44,475 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 14:20:44,475 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 14:20:44,475 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 14:20:44,476 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 14:20:44,476 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 14:20:44,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:20:44,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:20:44,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:20:44,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:20:44,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 14:20:44,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 14:20:44,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 14:20:44,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:20:44,477 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 14:20:44,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:20:44,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 14:20:44,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:20:44,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:20:44,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:20:44,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:20:44,478 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 14:20:44,478 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_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49ee62d4582077ea40eccd3b6a167211b0327741ab3db574b13fc7447950d902 [2022-12-13 14:20:44,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:20:44,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:20:44,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:20:44,673 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:20:44,673 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:20:44,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-15/cstrcat_malloc.i [2022-12-13 14:20:47,307 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:20:47,492 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:20:47,493 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/sv-benchmarks/c/termination-15/cstrcat_malloc.i [2022-12-13 14:20:47,499 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/data/11b69682a/25fe52c699ba4da8848c6f879b72af29/FLAG188bf5dff [2022-12-13 14:20:47,510 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/data/11b69682a/25fe52c699ba4da8848c6f879b72af29 [2022-12-13 14:20:47,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:20:47,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:20:47,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:20:47,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:20:47,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:20:47,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c659b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47, skipping insertion in model container [2022-12-13 14:20:47,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:20:47,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:20:47,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:20:47,786 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:20:47,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:20:47,828 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:20:47,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47 WrapperNode [2022-12-13 14:20:47,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:20:47,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:20:47,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:20:47,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:20:47,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,856 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-12-13 14:20:47,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:20:47,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:20:47,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:20:47,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:20:47,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:20:47,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:20:47,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:20:47,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:20:47,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (1/1) ... [2022-12-13 14:20:47,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:47,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:47,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 14:20:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:20:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:20:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:20:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:20:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:20:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:20:47,986 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:20:47,988 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:20:48,110 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:20:48,115 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:20:48,115 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:20:48,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:20:48 BoogieIcfgContainer [2022-12-13 14:20:48,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:20:48,117 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 14:20:48,117 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 14:20:48,120 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 14:20:48,121 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:20:48,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 02:20:47" (1/3) ... [2022-12-13 14:20:48,122 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@291f585d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:20:48, skipping insertion in model container [2022-12-13 14:20:48,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:20:48,122 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:20:47" (2/3) ... [2022-12-13 14:20:48,122 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@291f585d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:20:48, skipping insertion in model container [2022-12-13 14:20:48,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:20:48,122 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:20:48" (3/3) ... [2022-12-13 14:20:48,123 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcat_malloc.i [2022-12-13 14:20:48,164 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 14:20:48,164 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 14:20:48,164 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 14:20:48,164 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 14:20:48,164 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 14:20:48,165 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 14:20:48,165 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 14:20:48,165 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 14:20:48,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:20:48,181 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-12-13 14:20:48,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:20:48,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:20:48,185 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 14:20:48,185 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 14:20:48,186 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 14:20:48,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:20:48,187 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-12-13 14:20:48,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:20:48,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:20:48,187 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 14:20:48,187 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 14:20:48,193 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet210#1, main_#t~nondet211#1, main_#t~nondet212#1, main_#t~malloc213#1.base, main_#t~malloc213#1.offset, main_#t~malloc214#1.base, main_#t~malloc214#1.offset, main_#t~ret215#1.base, main_#t~ret215#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet210#1;havoc main_#t~nondet210#1;main_~length2~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1;main_~length3~0#1 := main_#t~nondet212#1;havoc main_#t~nondet212#1; 11#L377true assume !(main_~length1~0#1 < 1); 14#L377-2true assume !(main_~length2~0#1 < 2); 6#L380-1true assume !(main_~length3~0#1 < 1); 9#L383-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc213#1.base, main_#t~malloc213#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc213#1.base, main_#t~malloc213#1.offset;havoc main_#t~malloc213#1.base, main_#t~malloc213#1.offset;call main_#t~malloc214#1.base, main_#t~malloc214#1.offset := #Ultimate.allocOnHeap(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc214#1.base, main_#t~malloc214#1.offset;havoc main_#t~malloc214#1.base, main_#t~malloc214#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset, cstrcat_#t~mem205#1, cstrcat_#t~post207#1.base, cstrcat_#t~post207#1.offset, cstrcat_#t~post208#1.base, cstrcat_#t~post208#1.offset, cstrcat_#t~mem209#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 2#L367-3true [2022-12-13 14:20:48,193 INFO L750 eck$LassoCheckResult]: Loop: 2#L367-3true call cstrcat_#t~mem205#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 15#L367-1true assume !!(0 != cstrcat_#t~mem205#1);havoc cstrcat_#t~mem205#1;cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post206#1.base, 1 + cstrcat_#t~post206#1.offset;havoc cstrcat_#t~post206#1.base, cstrcat_#t~post206#1.offset; 2#L367-3true [2022-12-13 14:20:48,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:20:48,198 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2022-12-13 14:20:48,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:20:48,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270706480] [2022-12-13 14:20:48,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:20:48,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:20:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:20:48,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:20:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:20:48,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:20:48,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:20:48,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2022-12-13 14:20:48,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:20:48,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719309796] [2022-12-13 14:20:48,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:20:48,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:20:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:20:48,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:20:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:20:48,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:20:48,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:20:48,349 INFO L85 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2022-12-13 14:20:48,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:20:48,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273503605] [2022-12-13 14:20:48,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:20:48,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:20:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:20:48,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:20:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:20:48,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:20:49,025 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:20:49,026 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:20:49,026 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:20:49,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:20:49,026 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:20:49,026 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:49,026 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:20:49,027 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:20:49,027 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat_malloc.i_Iteration1_Lasso [2022-12-13 14:20:49,027 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:20:49,027 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:20:49,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,061 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,431 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,433 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,446 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:49,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:20:50,041 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:20:50,045 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:20:50,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:50,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:50,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:50,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 14:20:50,050 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 [2022-12-13 14:20:50,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:20:50,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:20:50,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:20:50,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:20:50,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:20:50,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:20:50,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:20:50,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:20:50,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:20:50,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:50,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:50,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:50,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 14:20:50,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 14:20:50,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:20:50,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:20:50,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:20:50,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:20:50,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:20:50,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:20:50,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:20:50,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:20:50,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-12-13 14:20:50,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:50,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:50,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:50,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 14:20:50,091 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 [2022-12-13 14:20:50,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:20:50,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:20:50,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:20:50,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:20:50,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:20:50,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:20:50,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:20:50,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:20:50,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 14:20:50,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:50,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:50,108 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:50,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 14:20:50,110 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 [2022-12-13 14:20:50,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:20:50,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:20:50,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:20:50,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:20:50,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:20:50,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:20:50,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:20:50,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 14:20:50,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:50,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:50,131 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:50,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 14:20:50,133 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 [2022-12-13 14:20:50,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:20:50,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:20:50,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:20:50,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:20:50,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:20:50,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:20:50,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:20:50,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:20:50,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 14:20:50,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:50,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:50,150 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:50,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 14:20:50,152 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 [2022-12-13 14:20:50,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:20:50,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:20:50,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:20:50,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:20:50,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:20:50,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:20:50,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:20:50,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:20:50,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 14:20:50,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:50,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:50,168 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:50,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 14:20:50,170 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 [2022-12-13 14:20:50,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:20:50,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:20:50,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:20:50,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:20:50,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:20:50,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:20:50,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:20:50,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 14:20:50,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:50,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:50,195 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:50,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 14:20:50,197 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 [2022-12-13 14:20:50,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:20:50,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:20:50,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:20:50,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:20:50,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:20:50,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:20:50,235 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:20:50,262 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-12-13 14:20:50,262 INFO L444 ModelExtractionUtils]: 12 out of 43 variables were initially zero. Simplification set additionally 28 variables to zero. [2022-12-13 14:20:50,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:20:50,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:20:50,301 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:20:50,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 14:20:50,303 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:20:50,314 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 14:20:50,314 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:20:50,315 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_cstrcat_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 - 1*ULTIMATE.start_cstrcat_~s~0#1.offset Supporting invariants [] [2022-12-13 14:20:50,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 14:20:50,335 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2022-12-13 14:20:50,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:20:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:20:50,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:20:50,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:20:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:20:50,406 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:20:50,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:20:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:20:50,461 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 14:20:50,463 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:20:50,519 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 45 transitions. Complement of second has 7 states. [2022-12-13 14:20:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 14:20:50,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:20:50,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-12-13 14:20:50,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 14:20:50,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:20:50,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 8 letters. Loop has 2 letters. [2022-12-13 14:20:50,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:20:50,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2022-12-13 14:20:50,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:20:50,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2022-12-13 14:20:50,531 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 14:20:50,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2022-12-13 14:20:50,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 14:20:50,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 14:20:50,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 14:20:50,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:20:50,536 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:20:50,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:20:50,536 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:20:50,536 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 14:20:50,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:20:50,536 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 14:20:50,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 14:20:50,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 02:20:50 BoogieIcfgContainer [2022-12-13 14:20:50,543 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 14:20:50,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:20:50,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:20:50,543 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:20:50,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:20:48" (3/4) ... [2022-12-13 14:20:50,546 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:20:50,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:20:50,547 INFO L158 Benchmark]: Toolchain (without parser) took 3034.19ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 107.0MB in the beginning and 51.9MB in the end (delta: 55.1MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2022-12-13 14:20:50,547 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:20:50,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.43ms. Allocated memory is still 138.4MB. Free memory was 107.0MB in the beginning and 89.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 14:20:50,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.31ms. Allocated memory is still 138.4MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:20:50,549 INFO L158 Benchmark]: Boogie Preprocessor took 15.89ms. Allocated memory is still 138.4MB. Free memory was 87.5MB in the beginning and 86.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:20:50,549 INFO L158 Benchmark]: RCFGBuilder took 243.06ms. Allocated memory is still 138.4MB. Free memory was 86.0MB in the beginning and 74.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 14:20:50,550 INFO L158 Benchmark]: BuchiAutomizer took 2425.57ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 74.0MB in the beginning and 51.9MB in the end (delta: 22.1MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2022-12-13 14:20:50,550 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 167.8MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:20:50,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.43ms. Allocated memory is still 138.4MB. Free memory was 107.0MB in the beginning and 89.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.31ms. Allocated memory is still 138.4MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.89ms. Allocated memory is still 138.4MB. Free memory was 87.5MB in the beginning and 86.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 243.06ms. Allocated memory is still 138.4MB. Free memory was 86.0MB in the beginning and 74.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2425.57ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 74.0MB in the beginning and 51.9MB in the end (delta: 22.1MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 167.8MB. Free memory is still 51.9MB. 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 * s + unknown-#length-unknown[nondetString2] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 18 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax100 hnf100 lsp96 ukn79 mio100 lsp52 div192 bol100 ite100 ukn100 eq155 hnf92 smp66 dnf139 smp89 tf100 neg95 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms 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! [2022-12-13 14:20:50,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 14:20:50,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99553e46-1661-4f88-a7ae-92836ce8ed5b/bin/uautomizer-uyxdKDjOR8/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