./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrchr_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrchr_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP --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 c0210ef89ad3c98ea9fece5cf50381a477e80228bc6d486133df1f853ef1ed9e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:42:55,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:42:55,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:42:55,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:42:55,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:42:55,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:42:55,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:42:55,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:42:55,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:42:55,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:42:55,318 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:42:55,318 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:42:55,319 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:42:55,319 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:42:55,320 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:42:55,320 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:42:55,321 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:42:55,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:42:55,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:42:55,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:42:55,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:42:55,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:42:55,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:42:55,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:42:55,328 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:42:55,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:42:55,328 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:42:55,329 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:42:55,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:42:55,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:42:55,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:42:55,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:42:55,331 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:42:55,333 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_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0210ef89ad3c98ea9fece5cf50381a477e80228bc6d486133df1f853ef1ed9e [2023-11-06 22:42:55,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:42:55,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:42:55,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:42:55,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:42:55,664 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:42:55,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-15/cstrchr_malloc.i [2023-11-06 22:42:58,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:42:59,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:42:59,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/sv-benchmarks/c/termination-15/cstrchr_malloc.i [2023-11-06 22:42:59,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/data/4e5d475fa/54e2d214436544f69b7909c3a04fd75b/FLAG2608c43da [2023-11-06 22:42:59,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/data/4e5d475fa/54e2d214436544f69b7909c3a04fd75b [2023-11-06 22:42:59,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:59,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:59,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:59,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:59,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:59,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7337d0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59, skipping insertion in model container [2023-11-06 22:42:59,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:59,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:59,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:59,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:59,685 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:59,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59 WrapperNode [2023-11-06 22:42:59,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:59,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:59,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:59,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:59,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,728 INFO L138 Inliner]: procedures = 152, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2023-11-06 22:42:59,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:59,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:59,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:59,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:59,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:59,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:59,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:59,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:59,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (1/1) ... [2023-11-06 22:42:59,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:42:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:59,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:59,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:42:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:42:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:42:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:42:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:59,974 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:59,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:43:00,119 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:43:00,125 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:43:00,125 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:43:00,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:00 BoogieIcfgContainer [2023-11-06 22:43:00,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:43:00,128 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:43:00,128 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:43:00,132 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:43:00,133 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:43:00,133 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:42:59" (1/3) ... [2023-11-06 22:43:00,134 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3451fbdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:43:00, skipping insertion in model container [2023-11-06 22:43:00,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:43:00,134 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:59" (2/3) ... [2023-11-06 22:43:00,135 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3451fbdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:43:00, skipping insertion in model container [2023-11-06 22:43:00,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:43:00,135 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:00" (3/3) ... [2023-11-06 22:43:00,136 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrchr_malloc.i [2023-11-06 22:43:00,186 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:43:00,186 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:43:00,187 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:43:00,187 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:43:00,187 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:43:00,187 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:43:00,187 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:43:00,188 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:43:00,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:00,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 22:43:00,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:43:00,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:43:00,217 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:43:00,218 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:43:00,218 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:43:00,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:00,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 22:43:00,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:43:00,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:43:00,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:43:00,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:43:00,232 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet210#1, main_#t~malloc211#1.base, main_#t~malloc211#1.offset, main_#t~nondet212#1, main_#t~ret213#1.base, main_#t~ret213#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet210#1;main_~length~0#1 := main_#t~nondet210#1;havoc main_#t~nondet210#1; 8#L372true assume !(main_~length~0#1 < 1); 10#L372-2true call main_#t~malloc211#1.base, main_#t~malloc211#1.offset := #Ultimate.allocOnHeap(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc211#1.base, main_#t~malloc211#1.offset;havoc main_#t~malloc211#1.base, main_#t~malloc211#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);havoc main_#t~nondet212#1;assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet212#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset, cstrchr_#t~mem205#1, cstrchr_#t~mem206#1, cstrchr_#t~short207#1, cstrchr_#t~mem209#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 11#L366-5true [2023-11-06 22:43:00,233 INFO L750 eck$LassoCheckResult]: Loop: 11#L366-5true call cstrchr_#t~mem205#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := 0 != cstrchr_#t~mem205#1; 9#L366-1true assume cstrchr_#t~short207#1;call cstrchr_#t~mem206#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := cstrchr_#t~mem206#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 6#L366-3true assume !!cstrchr_#t~short207#1;havoc cstrchr_#t~mem205#1;havoc cstrchr_#t~mem206#1;havoc cstrchr_#t~short207#1;cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post208#1.base, 1 + cstrchr_#t~post208#1.offset;havoc cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset; 11#L366-5true [2023-11-06 22:43:00,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:00,245 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-06 22:43:00,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:00,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275335308] [2023-11-06 22:43:00,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:00,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:00,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:00,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:00,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:00,505 INFO L85 PathProgramCache]: Analyzing trace with hash 43797, now seen corresponding path program 1 times [2023-11-06 22:43:00,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:00,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976096520] [2023-11-06 22:43:00,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:00,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:00,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:00,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:00,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:00,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815409, now seen corresponding path program 1 times [2023-11-06 22:43:00,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:00,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892873076] [2023-11-06 22:43:00,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:00,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:00,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:00,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:01,265 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:43:01,266 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:43:01,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:43:01,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:43:01,266 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:43:01,267 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:01,267 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:43:01,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:43:01,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr_malloc.i_Iteration1_Lasso [2023-11-06 22:43:01,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:43:01,267 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:43:01,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:01,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:43:02,398 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:43:02,402 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:43:02,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,422 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 [2023-11-06 22:43:02,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:43:02,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:02,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:02,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:02,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:02,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:02,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:02,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:02,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:02,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:02,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:43:02,472 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 [2023-11-06 22:43:02,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:02,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:02,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:02,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:02,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:02,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:02,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:02,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:02,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:02,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,525 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 [2023-11-06 22:43:02,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:02,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:02,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:02,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:02,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:02,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:02,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:02,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:43:02,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:02,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:02,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:02,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,555 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,565 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 [2023-11-06 22:43:02,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:02,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:02,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:02,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:02,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:02,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:02,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:02,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:43:02,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:02,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:02,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:02,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,611 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 [2023-11-06 22:43:02,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:43:02,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:02,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:02,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:02,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:02,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:02,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:02,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:02,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:02,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:02,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:02,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,658 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:43:02,665 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 [2023-11-06 22:43:02,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:02,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:43:02,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:02,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:02,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:02,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:43:02,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:43:02,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:02,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:02,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:02,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,698 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,709 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 [2023-11-06 22:43:02,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:02,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:02,722 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2023-11-06 22:43:02,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:02,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:43:02,815 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2023-11-06 22:43:02,815 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-11-06 22:43:02,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:02,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:02,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:02,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,992 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:03,000 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 [2023-11-06 22:43:03,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:03,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:03,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:03,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:03,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:43:03,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:03,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:03,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:03,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:03,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:03,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:03,050 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:03,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:43:03,056 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 [2023-11-06 22:43:03,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:03,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:03,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:03,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:03,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:03,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:03,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:03,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:03,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:03,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:03,110 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:03,126 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 [2023-11-06 22:43:03,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:43:03,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:03,139 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-06 22:43:03,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:03,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:03,145 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-06 22:43:03,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:03,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:43:03,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:03,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:03,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:03,169 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:03,177 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 [2023-11-06 22:43:03,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:43:03,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:43:03,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:43:03,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:43:03,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:43:03,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:43:03,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:43:03,212 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:43:03,309 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-06 22:43:03,309 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-06 22:43:03,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:43:03,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:03,347 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:03,354 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:43:03,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:43:03,389 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 22:43:03,389 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:43:03,389 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s#1.offset, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_cstrchr_~s#1.offset + 18446744073709551615*ULTIMATE.start_main_~length~0#1 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrchr_~s#1.base)_1 + 18446744073709551615*ULTIMATE.start_main_~length~0#1 >= 0] [2023-11-06 22:43:03,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:03,417 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2023-11-06 22:43:03,427 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-06 22:43:03,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:03,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:43:03,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:03,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:43:03,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:03,640 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 [2023-11-06 22:43:03,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:03,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:03,760 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 7 states. [2023-11-06 22:43:03,762 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 [2023-11-06 22:43:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2023-11-06 22:43:03,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 4 letters. Loop has 3 letters. [2023-11-06 22:43:03,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:43:03,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-06 22:43:03,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:43:03,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-06 22:43:03,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:43:03,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2023-11-06 22:43:03,783 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:43:03,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2023-11-06 22:43:03,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:43:03,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:43:03,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:43:03,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:43:03,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:43:03,788 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:43:03,794 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:43:03,794 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:43:03,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:43:03,794 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:43:03,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:43:03,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:43:03 BoogieIcfgContainer [2023-11-06 22:43:03,803 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:43:03,804 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:43:03,804 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:43:03,804 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:43:03,805 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:00" (3/4) ... [2023-11-06 22:43:03,807 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:43:03,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:43:03,815 INFO L158 Benchmark]: Toolchain (without parser) took 4590.00ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 130.7MB in the beginning and 163.3MB in the end (delta: -32.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-06 22:43:03,815 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:43:03,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.85ms. Allocated memory is still 165.7MB. Free memory was 130.4MB in the beginning and 112.9MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:43:03,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.45ms. Allocated memory is still 165.7MB. Free memory was 112.9MB in the beginning and 110.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:43:03,817 INFO L158 Benchmark]: Boogie Preprocessor took 47.12ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 109.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:43:03,818 INFO L158 Benchmark]: RCFGBuilder took 349.71ms. Allocated memory is still 165.7MB. Free memory was 109.7MB in the beginning and 99.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:43:03,820 INFO L158 Benchmark]: BuchiAutomizer took 3675.34ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 99.0MB in the beginning and 163.3MB in the end (delta: -64.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:43:03,821 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 201.3MB. Free memory is still 163.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:43:03,830 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.85ms. Allocated memory is still 165.7MB. Free memory was 130.4MB in the beginning and 112.9MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.45ms. Allocated memory is still 165.7MB. Free memory was 112.9MB in the beginning and 110.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.12ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 109.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.71ms. Allocated memory is still 165.7MB. Free memory was 109.7MB in the beginning and 99.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3675.34ms. Allocated memory was 165.7MB in the beginning and 201.3MB in the end (delta: 35.7MB). Free memory was 99.0MB in the beginning and 163.3MB in the end (delta: -64.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 201.3MB. Free memory is still 163.3MB. 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: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * 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 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 7 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital145 mio100 ax100 hnf100 lsp95 ukn87 mio100 lsp31 div197 bol100 ite100 ukn100 eq155 hnf93 smp64 dnf825 smp28 tf100 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 289ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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! [2023-11-06 22:43:03,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9326b610-d9b5-46d8-802f-4957dea40e91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE