./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 ddb0eb207fb72f46b2f9a0f11e334a77be9b4b455314fd1b26a90347e4178746 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:24:39,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:24:39,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 05:24:39,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:24:39,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:24:39,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:24:39,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:24:39,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:24:39,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:24:39,859 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:24:39,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:24:39,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:24:39,861 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:24:39,861 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 05:24:39,862 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 05:24:39,862 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 05:24:39,863 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 05:24:39,863 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 05:24:39,864 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 05:24:39,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:24:39,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 05:24:39,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:24:39,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:24:39,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 05:24:39,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 05:24:39,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 05:24:39,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:24:39,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:24:39,869 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 05:24:39,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:24:39,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:24:39,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:24:39,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:24:39,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:24:39,878 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 05:24:39,879 INFO L153 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_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb0eb207fb72f46b2f9a0f11e334a77be9b4b455314fd1b26a90347e4178746 [2023-11-29 05:24:40,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:24:40,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:24:40,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:24:40,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:24:40,132 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:24:40,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2023-11-29 05:24:42,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:24:43,114 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:24:43,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2023-11-29 05:24:43,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/data/b826878da/531a7127ee094e868a13657656efc96d/FLAG971cc7504 [2023-11-29 05:24:43,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/data/b826878da/531a7127ee094e868a13657656efc96d [2023-11-29 05:24:43,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:24:43,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:24:43,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:24:43,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:24:43,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:24:43,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac8319e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43, skipping insertion in model container [2023-11-29 05:24:43,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:24:43,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:24:43,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:24:43,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:24:43,553 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:24:43,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43 WrapperNode [2023-11-29 05:24:43,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:24:43,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:24:43,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:24:43,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:24:43,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,596 INFO L138 Inliner]: procedures = 113, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2023-11-29 05:24:43,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:24:43,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:24:43,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:24:43,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:24:43,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,629 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 2, 6]. 60 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 6 writes are split as follows [1, 2, 3]. [2023-11-29 05:24:43,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:24:43,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:24:43,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:24:43,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:24:43,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (1/1) ... [2023-11-29 05:24:43,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:43,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:43,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:43,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 05:24:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:24:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:24:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:24:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:24:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:24:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:24:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 05:24:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 05:24:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 05:24:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:24:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 05:24:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 05:24:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 05:24:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:24:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:24:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:24:43,846 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:24:43,848 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:24:44,019 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:24:44,028 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:24:44,028 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:24:44,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:24:44 BoogieIcfgContainer [2023-11-29 05:24:44,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:24:44,031 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 05:24:44,031 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 05:24:44,034 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 05:24:44,034 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:24:44,035 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 05:24:43" (1/3) ... [2023-11-29 05:24:44,054 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1196c7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:24:44, skipping insertion in model container [2023-11-29 05:24:44,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:24:44,054 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:24:43" (2/3) ... [2023-11-29 05:24:44,055 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1196c7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:24:44, skipping insertion in model container [2023-11-29 05:24:44,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:24:44,055 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:24:44" (3/3) ... [2023-11-29 05:24:44,056 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpncpy-alloca-2.i [2023-11-29 05:24:44,119 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 05:24:44,120 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 05:24:44,120 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 05:24:44,120 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 05:24:44,120 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 05:24:44,120 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 05:24:44,120 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 05:24:44,121 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 05:24:44,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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) [2023-11-29 05:24:44,140 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-29 05:24:44,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:24:44,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:24:44,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 05:24:44,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 05:24:44,145 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 05:24:44,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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) [2023-11-29 05:24:44,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-29 05:24:44,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:24:44,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:24:44,148 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 05:24:44,148 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-29 05:24:44,156 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;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~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1.base, main_#t~ret15#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet11#1;main_~length~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 16#L568true assume !(main_~length~0#1 < 1); 12#L568-2true assume !(main_~n~0#1 < 1); 7#L571-1true call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstpncpy } true;cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset, cstpncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstpncpy_#res#1.base, cstpncpy_#res#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset, cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, cstpncpy_#t~mem7#1, cstpncpy_#t~post9#1.base, cstpncpy_#t~post9#1.offset, cstpncpy_#t~pre8#1, cstpncpy_#t~pre4#1, cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset, cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset, cstpncpy_#t~mem10#1.base, cstpncpy_#t~mem10#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, cstpncpy_~src#1.base, cstpncpy_~src#1.offset, cstpncpy_~n#1;call cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset := #Ultimate.allocOnStack(8);call write~$Pointer$#2(cstpncpy_#in~dst#1.base, cstpncpy_#in~dst#1.offset, cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 8);cstpncpy_~src#1.base, cstpncpy_~src#1.offset := cstpncpy_#in~src#1.base, cstpncpy_#in~src#1.offset;cstpncpy_~n#1 := cstpncpy_#in~n#1; 17#L550true assume 0 != cstpncpy_~n#1 % 18446744073709551616;call cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset := read~$Pointer$#2(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 8);cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;havoc cstpncpy_#t~mem2#1.base, cstpncpy_#t~mem2#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_~src#1.base, cstpncpy_~src#1.offset;call cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset := read~$Pointer$#2(cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 8);call write~$Pointer$#2(cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset + (if cstpncpy_~n#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then cstpncpy_~n#1 % 18446744073709551616 % 18446744073709551616 else cstpncpy_~n#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), cstpncpy_~#dst#1.base, cstpncpy_~#dst#1.offset, 8);havoc cstpncpy_#t~mem3#1.base, cstpncpy_#t~mem3#1.offset; 6#L554-4true [2023-11-29 05:24:44,156 INFO L750 eck$LassoCheckResult]: Loop: 6#L554-4true cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset := cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset;cstpncpy_~d~0#1.base, cstpncpy_~d~0#1.offset := cstpncpy_#t~post5#1.base, 1 + cstpncpy_#t~post5#1.offset;cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset := cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset;cstpncpy_~s~0#1.base, cstpncpy_~s~0#1.offset := cstpncpy_#t~post6#1.base, 1 + cstpncpy_#t~post6#1.offset;call cstpncpy_#t~mem7#1 := read~int#0(cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset, 1);call write~int#1(cstpncpy_#t~mem7#1, cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset, 1); 8#L555true assume !(0 == cstpncpy_#t~mem7#1);havoc cstpncpy_#t~post5#1.base, cstpncpy_#t~post5#1.offset;havoc cstpncpy_#t~post6#1.base, cstpncpy_#t~post6#1.offset;havoc cstpncpy_#t~mem7#1; 4#L554-1true cstpncpy_#t~pre4#1 := cstpncpy_~n#1 - 1;cstpncpy_~n#1 := cstpncpy_~n#1 - 1; 10#L554-2true assume !!(0 != cstpncpy_#t~pre4#1 % 18446744073709551616);havoc cstpncpy_#t~pre4#1; 6#L554-4true [2023-11-29 05:24:44,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:24:44,162 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2023-11-29 05:24:44,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:24:44,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120118808] [2023-11-29 05:24:44,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:44,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:24:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:24:44,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:24:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:24:44,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:24:44,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:24:44,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2023-11-29 05:24:44,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:24:44,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505796454] [2023-11-29 05:24:44,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:44,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:24:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:24:44,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:24:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:24:44,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:24:44,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:24:44,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2023-11-29 05:24:44,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:24:44,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242635811] [2023-11-29 05:24:44,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:24:44,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:24:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:24:44,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:24:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:24:44,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:24:47,027 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:24:47,028 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:24:47,028 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:24:47,028 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:24:47,028 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:24:47,028 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:47,028 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:24:47,028 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:24:47,029 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca-2.i_Iteration1_Lasso [2023-11-29 05:24:47,029 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:24:47,029 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:24:47,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:47,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:47,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:47,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:47,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:47,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:48,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 05:24:49,417 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:24:49,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:24:49,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 05:24:49,429 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 [2023-11-29 05:24:49,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:24:49,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:24:49,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:24:49,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 05:24:49,470 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 [2023-11-29 05:24:49,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:24:49,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:24:49,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 05:24:49,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 05:24:49,499 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 [2023-11-29 05:24:49,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:24:49,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:24:49,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:24:49,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 05:24:49,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,521 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 05:24:49,525 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 [2023-11-29 05:24:49,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:24:49,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:24:49,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:24:49,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-29 05:24:49,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,545 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 05:24:49,549 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 [2023-11-29 05:24:49,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:24:49,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:24:49,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:24:49,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-29 05:24:49,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,568 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 05:24:49,571 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 [2023-11-29 05:24:49,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:24:49,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:24:49,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:24:49,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 05:24:49,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,592 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 05:24:49,595 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 [2023-11-29 05:24:49,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:24:49,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:24:49,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 05:24:49,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,627 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 05:24:49,640 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 [2023-11-29 05:24:49,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:24:49,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:24:49,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 05:24:49,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,668 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 05:24:49,671 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 [2023-11-29 05:24:49,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:24:49,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:24:49,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 05:24:49,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,695 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 05:24:49,699 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 [2023-11-29 05:24:49,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:24:49,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:24:49,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-29 05:24:49,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,747 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 05:24:49,750 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 [2023-11-29 05:24:49,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:24:49,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:24:49,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:24:49,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:24:49,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 05:24:49,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,774 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 05:24:49,779 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 [2023-11-29 05:24:49,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:24:49,792 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-29 05:24:49,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:24:49,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:24:49,806 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 05:24:49,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:24:49,836 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:24:49,893 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-29 05:24:49,893 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 17 variables to zero. [2023-11-29 05:24:49,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:24:49,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:24:49,896 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:24:49,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 05:24:49,898 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:24:49,909 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 05:24:49,909 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:24:49,910 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1, ULTIMATE.start_cstpncpy_~d~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1 - 1*ULTIMATE.start_cstpncpy_~d~0#1.offset Supporting invariants [] [2023-11-29 05:24:49,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-29 05:24:50,019 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2023-11-29 05:24:50,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated [2023-11-29 05:24:50,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:24:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:24:50,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:24:50,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:24:50,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 05:24:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:24:50,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 05:24:50,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:24:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:24:50,223 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-29 05:24:50,224 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:24:50,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 47 transitions. Complement of second has 7 states. [2023-11-29 05:24:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 05:24:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:24:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2023-11-29 05:24:50,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-29 05:24:50,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:24:50,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-29 05:24:50,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:24:50,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 8 letters. [2023-11-29 05:24:50,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:24:50,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 47 transitions. [2023-11-29 05:24:50,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:24:50,305 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2023-11-29 05:24:50,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 05:24:50,306 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 05:24:50,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 05:24:50,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:24:50,307 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:24:50,307 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:24:50,307 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:24:50,307 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 05:24:50,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:24:50,307 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:24:50,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 05:24:50,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 05:24:50 BoogieIcfgContainer [2023-11-29 05:24:50,313 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 05:24:50,313 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:24:50,314 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:24:50,314 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:24:50,314 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:24:44" (3/4) ... [2023-11-29 05:24:50,316 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:24:50,317 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:24:50,317 INFO L158 Benchmark]: Toolchain (without parser) took 7176.34ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 88.7MB in the beginning and 78.2MB in the end (delta: 10.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-29 05:24:50,318 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:24:50,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.84ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 72.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:24:50,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.60ms. Allocated memory is still 127.9MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:24:50,319 INFO L158 Benchmark]: Boogie Preprocessor took 51.06ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 67.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:24:50,320 INFO L158 Benchmark]: RCFGBuilder took 380.39ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 53.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:24:50,320 INFO L158 Benchmark]: BuchiAutomizer took 6282.24ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 53.1MB in the beginning and 79.3MB in the end (delta: -26.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-29 05:24:50,321 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 167.8MB. Free memory was 79.3MB in the beginning and 78.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:24:50,324 INFO L338 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 127.9MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.84ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 72.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.60ms. Allocated memory is still 127.9MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.06ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 67.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.39ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 53.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 6282.24ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 53.1MB in the beginning and 79.3MB in the end (delta: -26.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 167.8MB. Free memory was 79.3MB in the beginning and 78.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated * 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 null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.8s. 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 18 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital391 mio100 ax104 hnf100 lsp99 ukn58 mio100 lsp36 div219 bol100 ite100 ukn100 eq158 hnf94 smp58 dnf246 smp56 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 135ms VariablesStem: 11 VariablesLoop: 9 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2023-11-29 05:24:50,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 05:24:50,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7685b3c-81b2-44a1-b33f-3c17a1e4c0e7/bin/uautomizer-verify-BQ2R08f2Ya/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