./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b46132106c9582d9b36bde1be1a9d4d3fc071854166953d5e72a8b88085e0ad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:00:03,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:00:03,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:00:03,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:00:03,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:00:03,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:00:03,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:00:03,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:00:03,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:00:03,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:00:03,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:00:03,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:00:03,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:00:03,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:00:03,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:00:03,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:00:03,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:00:03,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:00:03,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:00:03,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:00:03,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:00:03,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:00:03,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:00:03,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:00:03,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:00:03,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:00:03,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:00:03,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:00:03,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:00:03,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:00:03,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:00:03,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:00:03,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:00:03,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:00:03,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:00:03,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:00:03,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:00:03,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:00:03,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:00:03,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:00:03,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:00:03,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 12:00:03,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:00:03,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:00:03,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:00:03,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:00:03,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:00:03,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:00:03,260 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:00:03,260 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:00:03,261 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:00:03,261 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:00:03,262 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:00:03,262 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:00:03,263 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:00:03,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:00:03,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:00:03,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:00:03,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:00:03,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:00:03,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:00:03,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:00:03,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:00:03,265 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:00:03,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:00:03,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:00:03,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:00:03,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:00:03,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:00:03,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:00:03,268 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:00:03,268 INFO L138 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_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b46132106c9582d9b36bde1be1a9d4d3fc071854166953d5e72a8b88085e0ad [2022-11-20 12:00:03,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:00:03,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:00:03,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:00:03,548 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:00:03,548 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:00:03,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2022-11-20 12:00:06,591 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:00:06,928 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:00:06,929 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2022-11-20 12:00:06,956 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/data/c907b2004/6de5c8f3c4fc4799b80b7f37f87e559a/FLAGa309f0628 [2022-11-20 12:00:06,978 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/data/c907b2004/6de5c8f3c4fc4799b80b7f37f87e559a [2022-11-20 12:00:06,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:00:06,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:00:06,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:06,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:00:06,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:00:06,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:06" (1/1) ... [2022-11-20 12:00:06,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc3596d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:06, skipping insertion in model container [2022-11-20 12:00:06,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:06" (1/1) ... [2022-11-20 12:00:06,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:00:07,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:00:07,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:07,429 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:00:07,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:07,517 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:00:07,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07 WrapperNode [2022-11-20 12:00:07,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:07,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:07,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:00:07,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:00:07,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,570 INFO L138 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-11-20 12:00:07,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:07,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:00:07,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:00:07,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:00:07,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:00:07,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:00:07,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:00:07,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:00:07,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (1/1) ... [2022-11-20 12:00:07,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:07,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:07,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:00:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:00:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:00:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:00:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:00:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:00:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:00:07,839 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:00:07,841 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:00:08,017 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:00:08,023 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:00:08,038 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:00:08,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:08 BoogieIcfgContainer [2022-11-20 12:00:08,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:00:08,042 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:00:08,042 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:00:08,046 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:00:08,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:00:08,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:00:06" (1/3) ... [2022-11-20 12:00:08,048 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e01deb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:00:08, skipping insertion in model container [2022-11-20 12:00:08,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:00:08,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:07" (2/3) ... [2022-11-20 12:00:08,049 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e01deb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:00:08, skipping insertion in model container [2022-11-20 12:00:08,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:00:08,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:08" (3/3) ... [2022-11-20 12:00:08,051 INFO L332 chiAutomizerObserver]: Analyzing ICFG easySum-alloca.i [2022-11-20 12:00:08,146 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:00:08,146 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:00:08,146 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:00:08,158 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:00:08,159 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:00:08,159 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:00:08,159 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:00:08,159 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:00:08,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-11-20 12:00:08,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 12:00:08,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:00:08,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:00:08,201 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:00:08,201 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:00:08,201 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:00:08,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-11-20 12:00:08,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 12:00:08,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:00:08,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:00:08,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:00:08,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:00:08,215 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_iterate } true;iterate_#in~bound#1 := main_#t~nondet12#1;havoc iterate_#res#1;havoc iterate_#t~malloc2#1.base, iterate_#t~malloc2#1.offset, iterate_#t~malloc3#1.base, iterate_#t~malloc3#1.offset, iterate_#t~malloc4#1.base, iterate_#t~malloc4#1.offset, iterate_#t~mem9#1, iterate_#t~mem10#1, iterate_#t~mem5#1, iterate_#t~post6#1, iterate_#t~mem7#1, iterate_#t~mem8#1, iterate_#t~mem11#1, iterate_~bound#1, iterate_~bound_ref~0#1.base, iterate_~bound_ref~0#1.offset, iterate_~i~0#1.base, iterate_~i~0#1.offset, iterate_~sum~0#1.base, iterate_~sum~0#1.offset;iterate_~bound#1 := iterate_#in~bound#1;call iterate_#t~malloc2#1.base, iterate_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);iterate_~bound_ref~0#1.base, iterate_~bound_ref~0#1.offset := iterate_#t~malloc2#1.base, iterate_#t~malloc2#1.offset;call iterate_#t~malloc3#1.base, iterate_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);iterate_~i~0#1.base, iterate_~i~0#1.offset := iterate_#t~malloc3#1.base, iterate_#t~malloc3#1.offset;call iterate_#t~malloc4#1.base, iterate_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);iterate_~sum~0#1.base, iterate_~sum~0#1.offset := iterate_#t~malloc4#1.base, iterate_#t~malloc4#1.offset;call write~int(iterate_~bound#1, iterate_~bound_ref~0#1.base, iterate_~bound_ref~0#1.offset, 4);call write~int(0, iterate_~sum~0#1.base, iterate_~sum~0#1.offset, 4);call write~int(0, iterate_~i~0#1.base, iterate_~i~0#1.offset, 4); 9#L554-4true [2022-11-20 12:00:08,216 INFO L750 eck$LassoCheckResult]: Loop: 9#L554-4true call iterate_#t~mem7#1 := read~int(iterate_~i~0#1.base, iterate_~i~0#1.offset, 4);call iterate_#t~mem8#1 := read~int(iterate_~bound_ref~0#1.base, iterate_~bound_ref~0#1.offset, 4); 7#L554-1true assume !!(iterate_#t~mem7#1 < iterate_#t~mem8#1);havoc iterate_#t~mem7#1;havoc iterate_#t~mem8#1;call iterate_#t~mem9#1 := read~int(iterate_~sum~0#1.base, iterate_~sum~0#1.offset, 4);call iterate_#t~mem10#1 := read~int(iterate_~i~0#1.base, iterate_~i~0#1.offset, 4);call write~int(iterate_#t~mem9#1 + iterate_#t~mem10#1, iterate_~sum~0#1.base, iterate_~sum~0#1.offset, 4);havoc iterate_#t~mem9#1;havoc iterate_#t~mem10#1; 5#L554-3true call iterate_#t~mem5#1 := read~int(iterate_~i~0#1.base, iterate_~i~0#1.offset, 4);iterate_#t~post6#1 := iterate_#t~mem5#1;call write~int(1 + iterate_#t~post6#1, iterate_~i~0#1.base, iterate_~i~0#1.offset, 4);havoc iterate_#t~mem5#1;havoc iterate_#t~post6#1; 9#L554-4true [2022-11-20 12:00:08,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:08,226 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 12:00:08,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:08,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504446089] [2022-11-20 12:00:08,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:08,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:00:08,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:00:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:00:08,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:00:08,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:08,511 INFO L85 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2022-11-20 12:00:08,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:08,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641940105] [2022-11-20 12:00:08,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:08,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:00:08,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:00:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:00:08,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:00:08,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:08,591 INFO L85 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2022-11-20 12:00:08,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:08,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873015756] [2022-11-20 12:00:08,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:08,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:00:08,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:00:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:00:08,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:00:09,728 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:00:09,729 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:00:09,729 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:00:09,730 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:00:09,730 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:00:09,730 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:09,730 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:00:09,730 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:00:09,730 INFO L133 ssoRankerPreferences]: Filename of dumped script: easySum-alloca.i_Iteration1_Lasso [2022-11-20 12:00:09,731 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:00:09,731 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:00:09,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:09,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:10,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:10,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:10,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:10,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:00:11,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:00:11,151 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:00:11,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:00:11,167 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 [2022-11-20 12:00:11,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:11,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:11,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,231 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 [2022-11-20 12:00:11,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:11,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:00:11,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:11,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:11,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,268 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 [2022-11-20 12:00:11,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:11,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:11,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:11,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:00:11,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,297 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:00:11,308 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 [2022-11-20 12:00:11,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:11,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:11,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:11,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,351 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 [2022-11-20 12:00:11,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:11,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:11,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:00:11,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,394 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:00:11,396 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 [2022-11-20 12:00:11,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:11,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:11,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:11,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,424 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,435 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 [2022-11-20 12:00:11,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:11,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:11,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:11,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:00:11,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,485 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,494 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 [2022-11-20 12:00:11,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:11,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:11,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:11,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:00:11,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,529 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,538 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 [2022-11-20 12:00:11,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 12:00:11,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:11,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:11,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,574 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 12:00:11,583 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 [2022-11-20 12:00:11,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:11,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:11,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:11,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,612 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,624 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 [2022-11-20 12:00:11,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:00:11,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:00:11,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:00:11,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 12:00:11,654 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 12:00:11,661 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 [2022-11-20 12:00:11,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:11,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:11,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,710 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,720 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 [2022-11-20 12:00:11,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:11,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:11,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 12:00:11,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,762 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,783 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 [2022-11-20 12:00:11,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 12:00:11,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:11,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:11,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,828 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 12:00:11,836 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 [2022-11-20 12:00:11,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:11,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:11,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:00:11,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:11,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:11,884 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:11,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 12:00:11,890 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 [2022-11-20 12:00:11,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:00:11,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:00:11,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:00:11,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:00:11,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:00:11,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:00:11,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:00:11,963 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-20 12:00:11,964 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 12:00:11,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:00:11,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,003 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:00:12,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 12:00:12,026 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 12:00:12,026 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:00:12,026 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0#1.base) ULTIMATE.start_iterate_~i~0#1.offset)_1, ULTIMATE.start_iterate_~bound#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0#1.base) ULTIMATE.start_iterate_~i~0#1.offset)_1 + 1*ULTIMATE.start_iterate_~bound#1 Supporting invariants [1*ULTIMATE.start_iterate_~bound#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~bound_ref~0#1.base) ULTIMATE.start_iterate_~bound_ref~0#1.offset)_1 >= 0] [2022-11-20 12:00:12,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:12,184 INFO L156 tatePredicateManager]: 21 out of 25 supporting invariants were superfluous and have been removed [2022-11-20 12:00:12,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 12:00:12,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:00:12,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:12,441 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 12:00:12,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-20 12:00:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:12,528 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 12:00:12,530 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-11-20 12:00:12,634 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 21 transitions. Complement of second has 10 states. [2022-11-20 12:00:12,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-20 12:00:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2022-11-20 12:00:12,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-20 12:00:12,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:00:12,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-20 12:00:12,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:00:12,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-20 12:00:12,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:00:12,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2022-11-20 12:00:12,652 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:00:12,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2022-11-20 12:00:12,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 12:00:12,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 12:00:12,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 12:00:12,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:12,657 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:00:12,657 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:00:12,657 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:00:12,657 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:00:12,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:00:12,658 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:00:12,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 12:00:12,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:00:12 BoogieIcfgContainer [2022-11-20 12:00:12,670 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:00:12,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:00:12,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:00:12,671 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:00:12,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:08" (3/4) ... [2022-11-20 12:00:12,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:00:12,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:00:12,677 INFO L158 Benchmark]: Toolchain (without parser) took 5694.41ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 101.3MB in the beginning and 83.7MB in the end (delta: 17.6MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2022-11-20 12:00:12,677 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:00:12,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.07ms. Allocated memory is still 134.2MB. Free memory was 101.3MB in the beginning and 85.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:00:12,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.78ms. Allocated memory is still 134.2MB. Free memory was 85.9MB in the beginning and 84.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:12,681 INFO L158 Benchmark]: Boogie Preprocessor took 49.84ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 82.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:12,684 INFO L158 Benchmark]: RCFGBuilder took 418.39ms. Allocated memory is still 134.2MB. Free memory was 82.5MB in the beginning and 71.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:00:12,687 INFO L158 Benchmark]: BuchiAutomizer took 4628.09ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 71.2MB in the beginning and 83.7MB in the end (delta: -12.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-11-20 12:00:12,687 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 174.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:00:12,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.07ms. Allocated memory is still 134.2MB. Free memory was 101.3MB in the beginning and 85.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.78ms. Allocated memory is still 134.2MB. Free memory was 85.9MB in the beginning and 84.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.84ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 82.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.39ms. Allocated memory is still 134.2MB. Free memory was 82.5MB in the beginning and 71.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4628.09ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 71.2MB in the beginning and 83.7MB in the end (delta: -12.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 174.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function bound + -1 * unknown-#memory_int-unknown[i][i] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital299 mio100 ax106 hnf100 lsp92 ukn59 mio100 lsp40 div100 bol100 ite100 ukn100 eq195 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms 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! [2022-11-20 12:00:12,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-11-20 12:00:12,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337157e1-6aef-4dc0-80ad-4dfcb41a87cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE