./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/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_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/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 32bit --witnessprinter.graph.data.programhash 783ac259376d0d4b331b84c9ee3bd0ed2042af56d21e98db70a8bebb07aee3c2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:09:33,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:09:33,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:09:33,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:09:33,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:09:33,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:09:33,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:09:33,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:09:33,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:09:33,804 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:09:33,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:09:33,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:09:33,807 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:09:33,809 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:09:33,810 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:09:33,810 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:09:33,811 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:09:33,811 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:09:33,812 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:09:33,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:09:33,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:09:33,813 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:09:33,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:09:33,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:09:33,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:09:33,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:09:33,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:09:33,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:09:33,816 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:09:33,817 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:09:33,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:09:33,818 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:09:33,819 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:09:33,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:09:33,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:09:33,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:09:33,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:09:33,820 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:09:33,821 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_7f64a8a2-228e-44be-83b8-00e85c62092b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 783ac259376d0d4b331b84c9ee3bd0ed2042af56d21e98db70a8bebb07aee3c2 [2023-11-21 22:09:34,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:09:34,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:09:34,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:09:34,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:09:34,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:09:34,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2023-11-21 22:09:37,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:09:37,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:09:37,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2023-11-21 22:09:37,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/data/d2fbfdda4/6580155743d9489ea27949158d4858e4/FLAG562f07865 [2023-11-21 22:09:37,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/data/d2fbfdda4/6580155743d9489ea27949158d4858e4 [2023-11-21 22:09:37,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:09:37,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:09:37,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:37,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:09:37,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:09:37,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2133b01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37, skipping insertion in model container [2023-11-21 22:09:37,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:09:37,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:37,823 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:09:37,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:37,861 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:09:37,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37 WrapperNode [2023-11-21 22:09:37,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:37,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:37,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:09:37,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:09:37,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,903 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-21 22:09:37,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:37,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:09:37,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:09:37,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:09:37,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,918 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,931 INFO L187 HeapSplitter]: Split 11 memory accesses to 4 slices as follows [2, 4, 2, 3] [2023-11-21 22:09:37,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:09:37,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:09:37,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:09:37,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:09:37,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (1/1) ... [2023-11-21 22:09:37,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:37,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:38,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:38,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:09:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:09:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:09:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:09:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:09:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:09:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:09:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:09:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:09:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:09:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:09:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:09:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:09:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:09:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:09:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:09:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:09:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:09:38,198 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:09:38,201 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:09:38,471 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:09:38,480 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:09:38,480 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:09:38,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:38 BoogieIcfgContainer [2023-11-21 22:09:38,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:09:38,483 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:09:38,483 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:09:38,487 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:09:38,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:09:38,488 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:09:37" (1/3) ... [2023-11-21 22:09:38,489 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1696688f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:09:38, skipping insertion in model container [2023-11-21 22:09:38,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:09:38,489 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:37" (2/3) ... [2023-11-21 22:09:38,490 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1696688f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:09:38, skipping insertion in model container [2023-11-21 22:09:38,490 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:09:38,490 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:38" (3/3) ... [2023-11-21 22:09:38,491 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_single_elem_init.i [2023-11-21 22:09:38,552 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:09:38,552 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:09:38,552 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:09:38,552 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:09:38,552 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:09:38,553 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:09:38,553 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:09:38,553 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:09:38,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 22:09:38,577 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-21 22:09:38,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:09:38,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:09:38,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:09:38,583 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:09:38,584 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:09:38,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 22:09:38,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-21 22:09:38,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:09:38,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:09:38,587 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:09:38,587 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:09:38,595 INFO L748 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(25, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#c~0#1.base, main_~#c~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#c~0#1.base, main_~#c~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 4#L21-3true [2023-11-21 22:09:38,595 INFO L750 eck$LassoCheckResult]: Loop: 4#L21-3true assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet2#1;main_~q~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 8#L25true assume 0 == main_~q~0#1;call write~int#1(1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~int#2((if main_~i~0#1 < 0 && 0 != main_~i~0#1 % 2 then main_~i~0#1 % 2 - 2 else main_~i~0#1 % 2), main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~0#1, 4); 13#L25-2true call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5#L30true assume !(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 18#L21-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 4#L21-3true [2023-11-21 22:09:38,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:38,600 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-21 22:09:38,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:38,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107989321] [2023-11-21 22:09:38,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:38,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:38,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:38,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:38,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:38,780 INFO L85 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2023-11-21 22:09:38,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:38,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532594280] [2023-11-21 22:09:38,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:38,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:39,067 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 22:09:39,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:39,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532594280] [2023-11-21 22:09:39,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532594280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:39,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:39,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:09:39,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482491794] [2023-11-21 22:09:39,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:39,080 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:09:39,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:39,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:09:39,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:09:39,115 INFO L87 Difference]: Start difference. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 22:09:39,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:09:39,194 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2023-11-21 22:09:39,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2023-11-21 22:09:39,197 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2023-11-21 22:09:39,201 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 24 transitions. [2023-11-21 22:09:39,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-21 22:09:39,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-21 22:09:39,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2023-11-21 22:09:39,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:39,204 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-21 22:09:39,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2023-11-21 22:09:39,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-21 22:09:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 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 22:09:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2023-11-21 22:09:39,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-21 22:09:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:09:39,244 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-21 22:09:39,245 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:09:39,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2023-11-21 22:09:39,248 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-21 22:09:39,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:09:39,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:09:39,249 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:09:39,249 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-21 22:09:39,250 INFO L748 eck$LassoCheckResult]: Stem: 71#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(25, 2); 67#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#c~0#1.base, main_~#c~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#c~0#1.base, main_~#c~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 57#L21-3 [2023-11-21 22:09:39,250 INFO L750 eck$LassoCheckResult]: Loop: 57#L21-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet2#1;main_~q~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 59#L25 assume !(0 == main_~q~0#1); 65#L25-2 call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 72#L30 assume !(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 68#L21-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 57#L21-3 [2023-11-21 22:09:39,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:39,252 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-21 22:09:39,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:39,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519227642] [2023-11-21 22:09:39,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:39,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:39,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:39,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:39,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:39,302 INFO L85 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2023-11-21 22:09:39,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:39,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649866869] [2023-11-21 22:09:39,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:39,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:39,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:39,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:39,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2023-11-21 22:09:39,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:39,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78471740] [2023-11-21 22:09:39,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:39,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:39,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:39,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:39,908 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:09:39,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:09:39,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:09:39,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:09:39,909 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:09:39,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:39,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:09:39,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:09:39,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration2_Lasso [2023-11-21 22:09:39,910 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:09:39,910 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:09:39,930 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 22:09:39,941 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 22:09:39,944 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 22:09:39,965 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 22:09:39,967 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 22:09:39,971 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 22:09:39,974 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 22:09:39,977 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 22:09:39,980 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 22:09:39,983 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 22:09:39,987 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 22:09:40,333 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 22:09:40,613 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:09:40,618 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:09:40,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:40,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:40,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:40,639 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 22:09:40,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:09:40,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:40,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:40,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:40,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:40,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:40,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:40,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:40,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:40,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:40,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:40,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:40,711 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 22:09:40,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:09:40,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:40,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:40,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:40,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:40,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:40,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:40,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:40,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:40,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:40,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:40,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:40,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:40,769 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 22:09:40,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:40,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:40,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:40,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:40,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:40,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:40,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:40,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:09:40,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:40,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:40,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:40,822 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:40,829 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 22:09:40,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:40,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:40,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:40,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:40,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:40,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:40,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:09:40,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:40,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:40,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:40,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:40,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:40,887 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 22:09:40,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:09:40,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:40,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:40,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:40,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:40,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:40,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:40,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:40,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:40,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:40,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:40,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:40,943 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:40,952 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 22:09:40,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:40,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:40,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:40,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:40,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:09:40,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:40,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:40,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,007 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:09:41,011 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 22:09:41,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:41,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:41,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:41,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,071 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,080 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 22:09:41,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:41,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:41,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:41,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:09:41,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,135 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,143 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 22:09:41,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:41,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:41,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:41,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:09:41,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,200 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:09:41,207 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 22:09:41,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:41,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:41,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:41,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,238 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:09:41,240 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 22:09:41,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:41,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,250 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 22:09:41,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,251 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:09:41,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:41,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,276 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:09:41,283 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 22:09:41,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:41,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:41,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,341 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:09:41,343 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 22:09:41,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:41,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:41,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,418 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,428 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 22:09:41,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:41,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:41,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:09:41,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,491 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:09:41,500 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 22:09:41,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:41,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:41,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,558 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,566 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 22:09:41,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:09:41,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:41,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:41,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,626 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,636 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 22:09:41,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:09:41,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:41,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:41,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:41,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:41,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,684 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:09:41,687 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 22:09:41,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:41,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:41,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:41,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:41,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:41,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:09:41,726 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:09:41,775 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-21 22:09:41,775 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-21 22:09:41,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:41,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:41,812 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:41,823 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:09:41,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:09:41,851 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:09:41,852 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:09:41,852 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-21 22:09:41,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-21 22:09:41,930 INFO L156 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2023-11-21 22:09:41,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#a~0!base] could not be translated [2023-11-21 22:09:41,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:41,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:09:41,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:09:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:41,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:09:41,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:09:42,066 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 22:09:42,070 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 [2023-11-21 22:09:42,072 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 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) [2023-11-21 22:09:42,161 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. 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 25 states and 36 transitions. Complement of second has 7 states. [2023-11-21 22:09:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:09:42,163 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) [2023-11-21 22:09:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-21 22:09:42,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2023-11-21 22:09:42,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:42,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-21 22:09:42,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:42,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2023-11-21 22:09:42,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:42,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2023-11-21 22:09:42,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:09:42,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2023-11-21 22:09:42,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-21 22:09:42,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:09:42,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2023-11-21 22:09:42,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:42,179 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-21 22:09:42,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2023-11-21 22:09:42,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-21 22:09:42,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 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 22:09:42,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2023-11-21 22:09:42,182 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-21 22:09:42,182 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-21 22:09:42,182 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:09:42,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2023-11-21 22:09:42,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 22:09:42,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:09:42,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:09:42,183 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:09:42,184 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:09:42,184 INFO L748 eck$LassoCheckResult]: Stem: 209#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(25, 2); 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#c~0#1.base, main_~#c~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#c~0#1.base, main_~#c~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 194#L21-3 assume !(main_~i~0#1 < 100000); 195#L21-4 havoc main_~q~0#1;call write~int#1(1, main_~#a~0#1.base, 60000 + main_~#a~0#1.offset, 4);main_~i~0#1 := 0; 201#L43-3 [2023-11-21 22:09:42,184 INFO L750 eck$LassoCheckResult]: Loop: 201#L43-3 assume !!(main_~i~0#1 < 100000); 207#L45 assume !(15000 == main_~i~0#1); 200#L43-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 201#L43-3 [2023-11-21 22:09:42,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:42,185 INFO L85 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2023-11-21 22:09:42,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:42,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079541949] [2023-11-21 22:09:42,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:42,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:42,250 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 22:09:42,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:42,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079541949] [2023-11-21 22:09:42,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079541949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:42,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:42,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:09:42,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724560676] [2023-11-21 22:09:42,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:42,252 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:09:42,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:42,253 INFO L85 PathProgramCache]: Analyzing trace with hash 72171, now seen corresponding path program 1 times [2023-11-21 22:09:42,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:42,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068140892] [2023-11-21 22:09:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:42,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:42,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:42,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:42,287 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:09:42,288 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:09:42,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:09:42,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:09:42,288 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:09:42,288 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:42,288 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:09:42,289 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:09:42,289 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2023-11-21 22:09:42,289 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:09:42,289 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:09:42,290 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 22:09:42,292 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 22:09:42,352 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:09:42,352 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:09:42,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:42,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:42,355 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:42,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:09:42,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:42,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:09:42,399 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:09:42,400 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:09:42,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:42,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:42,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:42,413 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:42,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:09:42,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:09:42,416 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:42,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:42,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:42,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:42,458 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:42,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:09:42,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:09:42,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:42,606 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:09:42,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:42,609 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:09:42,609 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:09:42,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:09:42,609 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:09:42,610 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:09:42,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:42,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:09:42,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:09:42,610 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2023-11-21 22:09:42,610 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:09:42,610 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:09:42,611 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 22:09:42,614 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 22:09:42,693 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:09:42,694 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:09:42,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:42,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:42,695 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:42,698 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 22:09:42,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:09:42,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:42,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:42,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:42,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:42,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:42,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:42,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:42,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:42,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:42,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:42,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:42,751 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:42,758 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 22:09:42,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:42,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:42,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:42,771 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 22:09:42,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:42,773 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:09:42,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:42,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:09:42,783 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:09:42,787 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:09:42,787 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-21 22:09:42,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:42,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:42,789 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:42,830 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:09:42,831 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:09:42,831 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:09:42,831 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199999 Supporting invariants [] [2023-11-21 22:09:42,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:09:42,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:42,850 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:09:42,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:42,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:42,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:09:42,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:09:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:42,912 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:09:42,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:09:42,935 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 22:09:42,936 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 [2023-11-21 22:09:42,937 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 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) [2023-11-21 22:09:42,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. 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 22 states and 30 transitions. Complement of second has 4 states. [2023-11-21 22:09:42,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:09:42,968 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) [2023-11-21 22:09:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2023-11-21 22:09:42,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2023-11-21 22:09:42,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:42,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-21 22:09:42,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:42,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-21 22:09:42,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:42,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2023-11-21 22:09:42,978 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:09:42,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2023-11-21 22:09:42,979 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:09:42,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:09:42,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:09:42,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:42,979 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:09:42,979 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:09:42,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:42,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:09:42,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:09:42,981 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 22:09:42,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:09:42,981 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-21 22:09:42,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-21 22:09:42,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:09:42,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:09:42,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:09:42,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:09:42,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:09:42,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:09:42,982 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:09:42,983 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:09:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:09:42,985 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:09:42,985 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:09:42,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:09:42,985 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:09:42,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:09:42,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:09:42 BoogieIcfgContainer [2023-11-21 22:09:42,993 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:09:42,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:09:42,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:09:42,994 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:09:42,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:38" (3/4) ... [2023-11-21 22:09:42,997 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:09:42,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:09:42,999 INFO L158 Benchmark]: Toolchain (without parser) took 5411.71ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 139.8MB in the end (delta: 190.5kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2023-11-21 22:09:43,002 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:09:43,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.79ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 129.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:09:43,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.33ms. Allocated memory is still 184.5MB. Free memory was 129.1MB in the beginning and 127.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:09:43,011 INFO L158 Benchmark]: Boogie Preprocessor took 50.43ms. Allocated memory is still 184.5MB. Free memory was 127.8MB in the beginning and 125.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:09:43,012 INFO L158 Benchmark]: RCFGBuilder took 526.83ms. Allocated memory is still 184.5MB. Free memory was 125.3MB in the beginning and 112.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:09:43,012 INFO L158 Benchmark]: BuchiAutomizer took 4510.14ms. Allocated memory is still 184.5MB. Free memory was 112.8MB in the beginning and 139.8MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:09:43,015 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 184.5MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:09:43,017 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 121.6MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.79ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 129.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.33ms. Allocated memory is still 184.5MB. Free memory was 129.1MB in the beginning and 127.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.43ms. Allocated memory is still 184.5MB. Free memory was 127.8MB in the beginning and 125.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.83ms. Allocated memory is still 184.5MB. Free memory was 125.3MB in the beginning and 112.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4510.14ms. Allocated memory is still 184.5MB. Free memory was 112.8MB in the beginning and 139.8MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 184.5MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#a~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function ((-2 * i) + 199999) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 40 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital65 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp78 div100 bol100 ite100 ukn100 eq165 hnf94 smp100 dnf137 smp94 tf104 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 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 22:09:43,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:43,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f64a8a2-228e-44be-83b8-00e85c62092b/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