./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/array_2-2-simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/array_2-2-simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme --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 c189c1cb91ea61745da6126e2d9c114f6ae511079741dc75bc227de256009336 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:57:02,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:57:02,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:57:02,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:57:02,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:57:02,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:57:02,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:57:02,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:57:02,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:57:02,964 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:57:02,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:57:02,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:57:02,966 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:57:02,968 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:57:02,969 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:57:02,969 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:57:02,971 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:57:02,971 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:57:02,972 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:57:02,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:57:02,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:57:02,977 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:57:02,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:57:02,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:57:02,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:57:02,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:57:02,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:57:02,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:57:02,980 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:57:02,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:57:02,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:57:02,982 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:57:02,982 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:57:02,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:57:02,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:57:02,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:57:02,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:57:02,983 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:57:02,984 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_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c189c1cb91ea61745da6126e2d9c114f6ae511079741dc75bc227de256009336 [2023-11-26 11:57:03,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:57:03,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:57:03,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:57:03,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:57:03,345 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:57:03,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/loop-acceleration/array_2-2-simple.i [2023-11-26 11:57:06,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:57:07,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:57:07,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/sv-benchmarks/c/loop-acceleration/array_2-2-simple.i [2023-11-26 11:57:07,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/data/9d989e4bd/6dc0ab96bf5d43838cd94f0a4b2ca485/FLAG8e50dde9d [2023-11-26 11:57:07,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/data/9d989e4bd/6dc0ab96bf5d43838cd94f0a4b2ca485 [2023-11-26 11:57:07,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:57:07,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:57:07,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:07,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:57:07,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:57:07,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f58bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07, skipping insertion in model container [2023-11-26 11:57:07,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:57:07,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:07,505 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:57:07,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:07,552 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:57:07,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07 WrapperNode [2023-11-26 11:57:07,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:07,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:07,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:57:07,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:57:07,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,602 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-26 11:57:07,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:07,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:57:07,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:57:07,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:57:07,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,652 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 5 writes are split as follows [0, 2, 3]. [2023-11-26 11:57:07,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:57:07,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:57:07,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:57:07,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:57:07,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (1/1) ... [2023-11-26 11:57:07,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:07,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:07,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:07,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:57:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:57:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:57:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:57:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:57:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 11:57:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 11:57:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 11:57:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:57:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:57:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:57:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:57:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:57:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:57:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:57:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:57:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:57:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:57:07,903 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:57:07,905 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:57:08,074 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:57:08,085 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:57:08,085 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:57:08,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:08 BoogieIcfgContainer [2023-11-26 11:57:08,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:57:08,089 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:57:08,090 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:57:08,094 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:57:08,094 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:57:08,095 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:57:07" (1/3) ... [2023-11-26 11:57:08,096 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72d6c7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:57:08, skipping insertion in model container [2023-11-26 11:57:08,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:57:08,096 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:07" (2/3) ... [2023-11-26 11:57:08,097 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72d6c7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:57:08, skipping insertion in model container [2023-11-26 11:57:08,097 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:57:08,097 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:08" (3/3) ... [2023-11-26 11:57:08,099 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_2-2-simple.i [2023-11-26 11:57:08,163 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:57:08,163 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:57:08,164 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:57:08,164 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:57:08,164 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:57:08,164 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:57:08,164 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:57:08,164 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:57:08,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:08,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:57:08,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:57:08,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:57:08,189 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:57:08,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:57:08,189 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:57:08,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:08,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:57:08,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:57:08,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:57:08,192 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:57:08,192 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:57:08,201 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~mem4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~#B~0#1.base, main_~#B~0#1.offset, main_~i~0#1, main_~tmp~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(8192);#memory_int#1 := ~initToZeroAtPointerBaseAddress~int(#memory_int#1, main_~#A~0#1.base);call write~unchecked~int#1(0, main_~#A~0#1.base, main_~#A~0#1.offset, 4);call main_~#B~0#1.base, main_~#B~0#1.offset := #Ultimate.allocOnStack(8192);#memory_int#2 := ~initToZeroAtPointerBaseAddress~int(#memory_int#2, main_~#B~0#1.base);call write~unchecked~int#2(0, main_~#B~0#1.base, main_~#B~0#1.offset, 4);havoc main_~i~0#1;havoc main_~tmp~0#1;main_~i~0#1 := 0; 9#L24-3true [2023-11-26 11:57:08,201 INFO L750 eck$LassoCheckResult]: Loop: 9#L24-3true assume !!(main_~i~0#1 < 2048);call main_#t~mem2#1 := read~int#1(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);main_~tmp~0#1 := main_#t~mem2#1;havoc main_#t~mem2#1;call write~int#2(main_~tmp~0#1, main_~#B~0#1.base, main_~#B~0#1.offset + 4 * main_~i~0#1, 4); 4#L24-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 9#L24-3true [2023-11-26 11:57:08,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:08,208 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 11:57:08,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:08,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170524564] [2023-11-26 11:57:08,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:08,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:08,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:08,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:08,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-26 11:57:08,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:08,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764744910] [2023-11-26 11:57:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:08,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:08,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:08,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:08,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:08,464 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-26 11:57:08,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:08,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683941044] [2023-11-26 11:57:08,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:08,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:08,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:08,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:09,244 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:57:09,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:57:09,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:57:09,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:57:09,246 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:57:09,246 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:57:09,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:57:09,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_2-2-simple.i_Iteration1_Lasso [2023-11-26 11:57:09,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:57:09,248 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:57:09,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:09,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:09,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:09,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:09,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:09,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:09,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:09,860 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:57:09,865 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:57:09,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:57:09,881 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 [2023-11-26 11:57:09,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:09,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:09,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:57:09,939 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 [2023-11-26 11:57:09,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:09,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:09,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,990 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 [2023-11-26 11:57:09,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:57:10,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:10,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:57:10,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:10,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:10,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:10,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:57:10,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:57:10,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:10,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:10,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:10,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:10,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:10,050 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 [2023-11-26 11:57:10,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:10,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:10,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:10,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:10,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:57:10,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:10,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:10,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:10,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:10,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:10,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:10,113 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:10,125 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 [2023-11-26 11:57:10,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:10,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:57:10,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:10,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:10,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:10,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:57:10,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:57:10,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:57:10,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:10,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-26 11:57:10,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:10,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:10,213 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:10,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:57:10,217 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 [2023-11-26 11:57:10,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:10,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:10,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:10,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:10,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:10,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:10,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:10,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:10,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:10,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:10,276 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:10,286 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 [2023-11-26 11:57:10,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:57:10,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:10,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:57:10,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:10,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:10,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:10,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:57:10,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:57:10,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:10,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:10,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:10,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:10,327 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:10,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:57:10,338 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 [2023-11-26 11:57:10,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:10,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:10,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:10,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:10,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:10,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:10,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:10,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:10,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:10,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:10,387 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:10,395 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 [2023-11-26 11:57:10,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:57:10,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:10,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:10,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:10,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:10,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:10,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:10,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:10,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:10,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:10,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:10,435 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:10,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:57:10,444 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 [2023-11-26 11:57:10,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:10,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:10,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:10,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:10,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:10,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:10,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:10,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:10,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:10,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:10,493 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:10,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:57:10,518 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 [2023-11-26 11:57:10,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:10,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:10,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:10,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:10,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:10,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:10,559 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:57:10,639 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2023-11-26 11:57:10,639 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-26 11:57:10,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:10,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:10,644 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:10,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:57:10,665 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:57:10,682 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:57:10,682 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:57:10,683 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#B~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 4095*v_rep(select #length ULTIMATE.start_main_~#B~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-26 11:57:10,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:10,740 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-26 11:57:10,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#B~0!base] could not be translated [2023-11-26 11:57:10,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:10,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:57:10,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:10,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:57:10,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:10,918 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 [2023-11-26 11:57:10,920 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 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) [2023-11-26 11:57:11,007 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 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) Result 28 states and 36 transitions. Complement of second has 8 states. [2023-11-26 11:57:11,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:57:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2023-11-26 11:57:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2023-11-26 11:57:11,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-26 11:57:11,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:57:11,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-26 11:57:11,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:57:11,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-26 11:57:11,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:57:11,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2023-11-26 11:57:11,035 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:57:11,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2023-11-26 11:57:11,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:57:11,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:57:11,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:57:11,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:11,045 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:57:11,045 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:57:11,045 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:57:11,046 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:57:11,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:57:11,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:57:11,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:57:11,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:57:11 BoogieIcfgContainer [2023-11-26 11:57:11,055 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:57:11,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:57:11,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:57:11,057 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:57:11,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:08" (3/4) ... [2023-11-26 11:57:11,060 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:57:11,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:57:11,068 INFO L158 Benchmark]: Toolchain (without parser) took 3864.63ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 115.7MB in the beginning and 127.5MB in the end (delta: -11.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 11:57:11,068 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 163.6MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:11,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.92ms. Allocated memory is still 163.6MB. Free memory was 115.5MB in the beginning and 105.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:57:11,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.99ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:57:11,071 INFO L158 Benchmark]: Boogie Preprocessor took 80.81ms. Allocated memory is still 163.6MB. Free memory was 103.5MB in the beginning and 101.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:57:11,074 INFO L158 Benchmark]: RCFGBuilder took 402.22ms. Allocated memory is still 163.6MB. Free memory was 101.4MB in the beginning and 90.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:57:11,075 INFO L158 Benchmark]: BuchiAutomizer took 2966.57ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 90.4MB in the beginning and 128.5MB in the end (delta: -38.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:11,075 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 197.1MB. Free memory was 128.5MB in the beginning and 127.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:11,083 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 163.6MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.92ms. Allocated memory is still 163.6MB. Free memory was 115.5MB in the beginning and 105.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.99ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.81ms. Allocated memory is still 163.6MB. Free memory was 103.5MB in the beginning and 101.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 402.22ms. Allocated memory is still 163.6MB. Free memory was 101.4MB in the beginning and 90.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2966.57ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 90.4MB in the beginning and 128.5MB in the end (delta: -38.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 197.1MB. Free memory was 128.5MB in the beginning and 127.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#B~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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital192 mio100 ax100 hnf100 lsp92 ukn63 mio100 lsp48 div100 bol100 ite100 ukn100 eq147 hnf92 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:57:11,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:11,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18ca82-e9ba-4ee8-a2bc-83b66774c42a/bin/uautomizer-verify-VRDe98Ueme/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