./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ --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 cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:32:23,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:32:24,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-23 22:32:24,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:32:24,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:32:24,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:32:24,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:32:24,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:32:24,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:32:24,093 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:32:24,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:32:24,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:32:24,095 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:32:24,096 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-23 22:32:24,096 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-23 22:32:24,097 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-23 22:32:24,097 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-23 22:32:24,098 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-23 22:32:24,098 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-23 22:32:24,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:32:24,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-23 22:32:24,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:32:24,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:32:24,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-23 22:32:24,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-23 22:32:24,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-23 22:32:24,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:32:24,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:32:24,103 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-23 22:32:24,103 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:32:24,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:32:24,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:32:24,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:32:24,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:32:24,106 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-23 22:32:24,106 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_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 [2023-11-23 22:32:24,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:32:24,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:32:24,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:32:24,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:32:24,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:32:24,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2023-11-23 22:32:27,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:32:27,898 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:32:27,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2023-11-23 22:32:27,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/data/be5c3fbac/03cf2307fbb84d45820ba5766be9fb78/FLAGa439dd799 [2023-11-23 22:32:27,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/data/be5c3fbac/03cf2307fbb84d45820ba5766be9fb78 [2023-11-23 22:32:27,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:32:27,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:32:27,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:27,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:32:27,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:32:27,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:27" (1/1) ... [2023-11-23 22:32:27,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eeebba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:27, skipping insertion in model container [2023-11-23 22:32:27,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:27" (1/1) ... [2023-11-23 22:32:28,003 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:32:28,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:28,441 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:32:28,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:28,563 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:32:28,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28 WrapperNode [2023-11-23 22:32:28,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:28,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:28,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:32:28,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:32:28,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,622 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-11-23 22:32:28,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:28,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:32:28,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:32:28,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:32:28,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,639 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,657 INFO L189 HeapSplitter]: Split 3 memory accesses to 2 slices as follows [1, 2] [2023-11-23 22:32:28,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:32:28,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:32:28,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:32:28,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:32:28,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:28,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:28,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:28,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-23 22:32:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 22:32:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 22:32:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 22:32:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 22:32:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:32:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:32:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:32:28,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:32:28,842 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:32:28,844 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:32:29,041 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:32:29,051 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:32:29,051 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:32:29,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:29 BoogieIcfgContainer [2023-11-23 22:32:29,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:32:29,054 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-23 22:32:29,054 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-23 22:32:29,059 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-23 22:32:29,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:32:29,060 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 10:32:27" (1/3) ... [2023-11-23 22:32:29,061 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fb0e340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:32:29, skipping insertion in model container [2023-11-23 22:32:29,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:32:29,062 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (2/3) ... [2023-11-23 22:32:29,062 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fb0e340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:32:29, skipping insertion in model container [2023-11-23 22:32:29,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:32:29,063 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:29" (3/3) ... [2023-11-23 22:32:29,064 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcpy_reverse_alloca.i [2023-11-23 22:32:29,129 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-23 22:32:29,129 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-23 22:32:29,129 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-23 22:32:29,129 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-23 22:32:29,130 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-23 22:32:29,130 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-23 22:32:29,130 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-23 22:32:29,130 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-23 22:32:29,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2023-11-23 22:32:29,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-23 22:32:29,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:32:29,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:32:29,167 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-23 22:32:29,167 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-23 22:32:29,168 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-23 22:32:29,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2023-11-23 22:32:29,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-23 22:32:29,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:32:29,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:32:29,171 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-23 22:32:29,171 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-23 22:32:29,179 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet208#1, main_#t~nondet209#1, main_#t~malloc210#1.base, main_#t~malloc210#1.offset, main_#t~malloc211#1.base, main_#t~malloc211#1.offset, main_#t~ret212#1.base, main_#t~ret212#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet208#1;main_~length1~0#1 := main_#t~nondet208#1;havoc main_#t~nondet208#1;havoc main_#t~nondet209#1;main_~length2~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 7#L375true assume !(main_~length1~0#1 < 1); 12#L375-2true assume !(main_~length2~0#1 < 1); 6#L378-1true assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc210#1.base, main_#t~malloc210#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc210#1.base, main_#t~malloc210#1.offset;call main_#t~malloc211#1.base, main_#t~malloc211#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc211#1.base, main_#t~malloc211#1.offset;call write~int#1(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, 1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset, cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset, cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset, cstrcpy_#t~mem207#1, cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset, cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset, cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset, cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset := cstrcpy_#in~s1#1.base, cstrcpy_#in~s1#1.offset;cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset := cstrcpy_#in~s2#1.base, cstrcpy_#in~s2#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_~s1#1.base, cstrcpy_~s1#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_~s2#1.base, cstrcpy_~s2#1.offset; 11#L368-3true [2023-11-23 22:32:29,180 INFO L750 eck$LassoCheckResult]: Loop: 11#L368-3true cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset := cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset;cstrcpy_~dst~0#1.base, cstrcpy_~dst~0#1.offset := cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset - 1;cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset := cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset;cstrcpy_~src~0#1.base, cstrcpy_~src~0#1.offset := cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset - 1;call cstrcpy_#t~mem207#1 := read~int#1(cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset, 1);call write~int#0(cstrcpy_#t~mem207#1, cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset, 1); 8#L368-1true assume !!(0 != cstrcpy_#t~mem207#1);havoc cstrcpy_#t~post205#1.base, cstrcpy_#t~post205#1.offset;havoc cstrcpy_#t~post206#1.base, cstrcpy_#t~post206#1.offset;havoc cstrcpy_#t~mem207#1; 11#L368-3true [2023-11-23 22:32:29,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:29,185 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2023-11-23 22:32:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:29,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259094216] [2023-11-23 22:32:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:29,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:29,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:32:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:29,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:32:29,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:29,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2023-11-23 22:32:29,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:29,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482848450] [2023-11-23 22:32:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:29,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:29,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:32:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:29,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:32:29,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:29,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2023-11-23 22:32:29,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:29,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392153595] [2023-11-23 22:32:29,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:29,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:29,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:32:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:29,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:32:31,079 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 22:32:31,080 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 22:32:31,080 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 22:32:31,080 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 22:32:31,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 22:32:31,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:31,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 22:32:31,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 22:32:31,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_reverse_alloca.i_Iteration1_Lasso [2023-11-23 22:32:31,081 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 22:32:31,082 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 22:32:31,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:31,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:32,858 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 22:32:32,863 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 22:32:32,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:32,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:32,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:32,893 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 [2023-11-23 22:32:32,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-23 22:32:32,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:32:32,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:32:32,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:32:32,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:32:32,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:32:32,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:32:32,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:32:32,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:32:32,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:32,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:32,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:32,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:32,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-23 22:32:32,953 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 [2023-11-23 22:32:32,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:32:32,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:32:32,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:32:32,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:32:32,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:32:32,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:32:32,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:32:32,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:32:33,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-23 22:32:33,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:33,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:33,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:33,008 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 [2023-11-23 22:32:33,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-23 22:32:33,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:32:33,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:32:33,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:32:33,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:32:33,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:32:33,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:32:33,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:32:33,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-23 22:32:33,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:33,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:33,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:33,073 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 [2023-11-23 22:32:33,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-23 22:32:33,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:32:33,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:32:33,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:32:33,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:32:33,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:32:33,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:32:33,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:32:33,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:33,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:33,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:33,127 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:33,129 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 [2023-11-23 22:32:33,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-23 22:32:33,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:32:33,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:32:33,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:32:33,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:32:33,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:32:33,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:32:33,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:32:33,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:33,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:33,186 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:33,193 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 [2023-11-23 22:32:33,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:32:33,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:32:33,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:32:33,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:32:33,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-23 22:32:33,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:32:33,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:32:33,258 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 22:32:33,302 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-23 22:32:33,303 INFO L444 ModelExtractionUtils]: 9 out of 46 variables were initially zero. Simplification set additionally 34 variables to zero. [2023-11-23 22:32:33,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:33,333 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:33,335 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 22:32:33,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-23 22:32:33,350 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-23 22:32:33,350 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 22:32:33,350 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~src~0#1.offset) = 2*ULTIMATE.start_cstrcpy_~src~0#1.offset + 1 Supporting invariants [] [2023-11-23 22:32:33,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:33,425 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-23 22:32:33,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:33,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:32:33,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:33,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 22:32:33,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:33,617 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-23 22:32:33,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:32:33,662 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 27 transitions. Complement of second has 6 states. [2023-11-23 22:32:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-23 22:32:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:32:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-11-23 22:32:33,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-23 22:32:33,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:32:33,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-23 22:32:33,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:32:33,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-23 22:32:33,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:32:33,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2023-11-23 22:32:33,685 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 22:32:33,687 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2023-11-23 22:32:33,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-23 22:32:33,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-23 22:32:33,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-23 22:32:33,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:32:33,689 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:32:33,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:32:33,690 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:32:33,690 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-23 22:32:33,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-23 22:32:33,690 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 22:32:33,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-23 22:32:33,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 10:32:33 BoogieIcfgContainer [2023-11-23 22:32:33,699 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-23 22:32:33,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:32:33,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:32:33,701 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:32:33,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:29" (3/4) ... [2023-11-23 22:32:33,703 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:32:33,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:32:33,706 INFO L158 Benchmark]: Toolchain (without parser) took 5775.85ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 78.4MB in the beginning and 76.0MB in the end (delta: 2.4MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2023-11-23 22:32:33,707 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:32:33,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 633.46ms. Allocated memory is still 136.3MB. Free memory was 78.4MB in the beginning and 60.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 22:32:33,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.45ms. Allocated memory is still 136.3MB. Free memory was 60.1MB in the beginning and 58.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:32:33,714 INFO L158 Benchmark]: Boogie Preprocessor took 50.91ms. Allocated memory is still 136.3MB. Free memory was 58.5MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:32:33,715 INFO L158 Benchmark]: RCFGBuilder took 377.84ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 56.4MB in the beginning and 152.7MB in the end (delta: -96.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-23 22:32:33,715 INFO L158 Benchmark]: BuchiAutomizer took 4645.08ms. Allocated memory is still 184.5MB. Free memory was 152.7MB in the beginning and 76.0MB in the end (delta: 76.7MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2023-11-23 22:32:33,716 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 184.5MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:32:33,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 633.46ms. Allocated memory is still 136.3MB. Free memory was 78.4MB in the beginning and 60.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.45ms. Allocated memory is still 136.3MB. Free memory was 60.1MB in the beginning and 58.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.91ms. Allocated memory is still 136.3MB. Free memory was 58.5MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.84ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 56.4MB in the beginning and 152.7MB in the end (delta: -96.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4645.08ms. Allocated memory is still 184.5MB. Free memory was 152.7MB in the beginning and 76.0MB in the end (delta: 76.7MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 184.5MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. 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, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax100 hnf100 lsp97 ukn92 mio100 lsp51 div174 bol100 ite100 ukn100 eq166 hnf92 smp73 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-23 22:32:33,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:33,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17aae810-37e8-40f6-8a9b-f080c30a93d0/bin/uautomizer-verify-zZY32mL2XJ/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