./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx --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 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:53,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:53,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 22:22:53,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:53,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:53,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:53,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:53,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:53,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:53,973 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:53,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:53,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:53,975 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:53,977 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:22:53,978 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:22:53,978 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:22:53,979 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:22:53,979 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:22:53,980 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:22:53,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:53,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:22:53,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:22:53,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:53,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:22:53,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:22:53,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:22:53,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:22:53,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:53,984 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:22:53,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:53,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:53,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:53,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:53,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:22:53,987 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:22:53,988 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_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 [2023-11-21 22:22:54,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:54,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:54,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:54,372 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:54,372 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:54,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2023-11-21 22:22:57,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:57,694 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:57,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2023-11-21 22:22:57,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/data/23ebaee1d/a4d3a9568fe44ca2a06b71367e7b32e6/FLAGe4a79544a [2023-11-21 22:22:57,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/data/23ebaee1d/a4d3a9568fe44ca2a06b71367e7b32e6 [2023-11-21 22:22:57,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:57,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:57,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:57,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:57,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:57,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:57" (1/1) ... [2023-11-21 22:22:57,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f910045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:57, skipping insertion in model container [2023-11-21 22:22:57,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:57" (1/1) ... [2023-11-21 22:22:57,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:58,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:58,154 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:58,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:58,258 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:58,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58 WrapperNode [2023-11-21 22:22:58,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:58,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:58,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:58,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:58,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,316 INFO L138 Inliner]: procedures = 109, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-21 22:22:58,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:58,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:58,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:58,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:58,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,334 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,345 INFO L187 HeapSplitter]: Split 8 memory accesses to 2 slices as follows [4, 4] [2023-11-21 22:22:58,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:58,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:58,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:58,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:58,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (1/1) ... [2023-11-21 22:22:58,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:58,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:58,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:58,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:58,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:22:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:22:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:22:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:22:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:22:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:22:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:58,530 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:58,532 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:58,698 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:58,706 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:58,707 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:22:58,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:58 BoogieIcfgContainer [2023-11-21 22:22:58,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:58,709 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:22:58,709 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:22:58,713 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:22:58,714 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:22:58,714 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:22:57" (1/3) ... [2023-11-21 22:22:58,715 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ba419b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:22:58, skipping insertion in model container [2023-11-21 22:22:58,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:22:58,715 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:58" (2/3) ... [2023-11-21 22:22:58,716 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ba419b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:22:58, skipping insertion in model container [2023-11-21 22:22:58,716 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:22:58,716 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:58" (3/3) ... [2023-11-21 22:22:58,718 INFO L332 chiAutomizerObserver]: Analyzing ICFG genady-alloca.i [2023-11-21 22:22:58,776 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:22:58,776 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:22:58,776 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:22:58,776 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:22:58,776 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:22:58,777 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:22:58,777 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:22:58,777 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:22:58,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:58,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:22:58,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:58,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:58,803 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:22:58,803 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:22:58,803 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:22:58,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:58,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:22:58,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:58,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:58,805 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:22:58,805 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:22:58,813 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem8#1, main_#t~post9#1, main_#t~mem4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~mem7#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#0(1, main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#1(10000, main_~i~0#1.base, main_~i~0#1.offset, 4); 6#L550-4true [2023-11-21 22:22:58,814 INFO L750 eck$LassoCheckResult]: Loop: 6#L550-4true call main_#t~mem6#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4); 9#L550-1true assume !!(main_#t~mem6#1 - main_#t~mem7#1 >= 1);havoc main_#t~mem6#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int#0(1 + main_#t~post9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 7#L550-3true call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post5#1 := main_#t~mem4#1;call write~int#1(main_#t~post5#1 - 1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem4#1;havoc main_#t~post5#1; 6#L550-4true [2023-11-21 22:22:58,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:58,821 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-21 22:22:58,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:58,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560538587] [2023-11-21 22:22:58,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:58,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:59,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:59,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:59,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:59,094 INFO L85 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2023-11-21 22:22:59,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:59,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818069086] [2023-11-21 22:22:59,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:59,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:59,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:59,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:59,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:59,180 INFO L85 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2023-11-21 22:22:59,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:59,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701258094] [2023-11-21 22:22:59,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:59,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:59,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:59,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:59,929 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:59,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:59,931 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:59,931 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:59,931 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:22:59,931 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:59,932 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:59,932 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:59,932 INFO L133 ssoRankerPreferences]: Filename of dumped script: genady-alloca.i_Iteration1_Lasso [2023-11-21 22:22:59,932 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:59,933 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:59,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:00,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:00,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:00,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:00,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:00,758 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:23:00,766 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:23:00,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:00,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:00,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:00,786 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 [2023-11-21 22:23:00,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:23:00,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:00,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:00,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:00,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:00,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:00,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:00,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:00,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:00,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:00,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:00,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:00,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:00,847 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 [2023-11-21 22:23:00,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:23:00,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:00,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:00,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:00,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:00,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:23:00,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:23:00,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:00,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:00,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:00,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:00,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:00,926 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 [2023-11-21 22:23:00,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:23:00,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:00,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:00,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:00,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:00,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:00,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:00,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:00,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:00,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:00,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:00,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:00,970 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:00,978 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 [2023-11-21 22:23:00,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:00,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:00,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:00,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:00,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:23:00,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:23:00,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:23:01,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:01,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:01,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:01,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:01,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:01,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:23:01,040 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 [2023-11-21 22:23:01,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:01,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:01,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:01,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:01,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:01,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:01,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:01,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:01,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:01,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:01,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:01,082 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:01,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:23:01,090 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 [2023-11-21 22:23:01,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:01,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:01,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:01,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:01,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:23:01,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:23:01,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:01,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:01,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:01,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:01,143 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:01,153 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 [2023-11-21 22:23:01,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:01,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:01,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:01,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:01,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:01,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:01,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:01,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:23:01,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:01,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:01,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:01,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:01,205 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:01,214 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 [2023-11-21 22:23:01,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:01,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:01,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:01,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:01,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:01,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:01,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:01,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:23:01,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:01,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:01,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:01,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:01,273 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:01,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:23:01,277 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 [2023-11-21 22:23:01,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:01,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:01,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:01,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:01,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:23:01,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:23:01,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:01,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:01,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:01,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:01,338 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:01,346 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 [2023-11-21 22:23:01,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:01,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:01,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:01,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:01,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:23:01,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:23:01,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:23:01,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:01,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:01,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:01,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:01,410 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:01,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:23:01,413 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 [2023-11-21 22:23:01,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:01,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:01,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:01,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:01,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:23:01,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:23:01,457 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:23:01,484 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-21 22:23:01,484 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-21 22:23:01,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:01,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:01,532 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:01,535 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:23:01,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:23:01,573 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-21 22:23:01,573 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:23:01,574 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_1 >= 0] [2023-11-21 22:23:01,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:01,640 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2023-11-21 22:23:01,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~i~0!base][~i~0!offset] could not be translated [2023-11-21 22:23:01,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:01,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:23:01,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:01,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:23:01,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:01,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:01,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 22 [2023-11-21 22:23:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:01,925 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-21 22:23:01,928 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-21 22:23:02,025 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 18 states and 20 transitions. Complement of second has 10 states. [2023-11-21 22:23:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 22:23:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-21 22:23:02,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2023-11-21 22:23:02,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-21 22:23:02,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:02,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-21 22:23:02,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:02,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-21 22:23:02,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:02,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2023-11-21 22:23:02,037 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:23:02,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2023-11-21 22:23:02,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:23:02,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:23:02,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:23:02,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:02,042 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:23:02,042 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:23:02,042 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:23:02,043 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:23:02,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:23:02,043 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:23:02,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:23:02,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:23:02 BoogieIcfgContainer [2023-11-21 22:23:02,051 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:23:02,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:23:02,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:23:02,052 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:23:02,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:58" (3/4) ... [2023-11-21 22:23:02,054 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:23:02,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:23:02,056 INFO L158 Benchmark]: Toolchain (without parser) took 4313.96ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 90.9MB in the beginning and 122.6MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:02,057 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:02,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.50ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 74.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:23:02,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.70ms. Allocated memory is still 136.3MB. Free memory was 74.8MB in the beginning and 73.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:02,058 INFO L158 Benchmark]: Boogie Preprocessor took 40.52ms. Allocated memory is still 136.3MB. Free memory was 73.2MB in the beginning and 71.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:02,059 INFO L158 Benchmark]: RCFGBuilder took 349.22ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 71.1MB in the beginning and 135.5MB in the end (delta: -64.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-21 22:23:02,060 INFO L158 Benchmark]: BuchiAutomizer took 3341.47ms. Allocated memory is still 165.7MB. Free memory was 135.5MB in the beginning and 122.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-21 22:23:02,060 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 165.7MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:02,063 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.50ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 74.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.70ms. Allocated memory is still 136.3MB. Free memory was 74.8MB in the beginning and 73.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.52ms. Allocated memory is still 136.3MB. Free memory was 73.2MB in the beginning and 71.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.22ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 71.1MB in the beginning and 135.5MB in the end (delta: -64.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3341.47ms. Allocated memory is still 165.7MB. Free memory was 135.5MB in the beginning and 122.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 165.7MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~i~0!base][~i~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital175 mio100 ax110 hnf100 lsp87 ukn75 mio100 lsp25 div100 bol100 ite100 ukn100 eq200 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 22:23:02,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d35a42-af27-451c-814a-aeef319c6295/bin/uautomizer-verify-bycVGegfSx/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