./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/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_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/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_956f6089-933e-4bfe-82d7-5e0a7f23391f/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 2bfa9ea18c3859fb14daaafa2138a5573eef07b7f87afeb019dc7effa80c928b --- 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 11:55:29,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:55:29,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:55:29,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:55:29,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:55:29,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:55:29,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:55:29,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:55:29,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:55:29,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:55:29,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:55:29,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:55:29,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:55:29,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:55:29,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:55:29,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:55:29,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:55:29,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:55:29,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:55:29,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:55:29,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:55:29,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:55:29,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:55:29,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:55:29,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:55:29,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:55:29,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:55:29,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:55:29,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:55:29,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:55:29,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:55:29,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:55:29,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:55:29,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:55:29,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:55:29,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:55:29,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:55:29,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:55:29,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:55:29,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:55:29,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:55:29,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:55:29,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:55:29,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:55:29,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:55:29,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:55:30,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:55:30,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:55:30,002 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:55:30,002 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:55:30,002 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:55:30,003 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:55:30,004 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:55:30,005 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:55:30,005 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:55:30,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:55:30,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:55:30,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:55:30,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:55:30,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:55:30,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:55:30,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:55:30,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:55:30,008 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:55:30,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:55:30,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:55:30,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:55:30,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:55:30,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:55:30,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:55:30,013 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:55:30,014 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_956f6089-933e-4bfe-82d7-5e0a7f23391f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bfa9ea18c3859fb14daaafa2138a5573eef07b7f87afeb019dc7effa80c928b [2022-11-20 11:55:30,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:55:30,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:55:30,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:55:30,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:55:30,397 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:55:30,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2022-11-20 11:55:34,263 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:55:34,577 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:55:34,578 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2022-11-20 11:55:34,593 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/data/e304f7016/06bd8ef446b8412b8fc583f6ecacff54/FLAG558d6c741 [2022-11-20 11:55:34,617 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/data/e304f7016/06bd8ef446b8412b8fc583f6ecacff54 [2022-11-20 11:55:34,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:55:34,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:55:34,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:55:34,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:55:34,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:55:34,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:34" (1/1) ... [2022-11-20 11:55:34,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36234557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:34, skipping insertion in model container [2022-11-20 11:55:34,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:34" (1/1) ... [2022-11-20 11:55:34,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:55:34,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:55:35,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:55:35,116 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:55:35,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:55:35,192 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:55:35,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35 WrapperNode [2022-11-20 11:55:35,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:55:35,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:55:35,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:55:35,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:55:35,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,245 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-11-20 11:55:35,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:55:35,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:55:35,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:55:35,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:55:35,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,275 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:55:35,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:55:35,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:55:35,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:55:35,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (1/1) ... [2022-11-20 11:55:35,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:35,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:35,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:35,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:55:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:55:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:55:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:55:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:55:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:55:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:55:35,576 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:55:35,578 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:55:35,938 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:55:35,946 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:55:35,946 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:55:35,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:35 BoogieIcfgContainer [2022-11-20 11:55:35,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:55:35,950 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:55:35,951 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:55:35,956 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:55:35,957 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:55:35,957 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:55:34" (1/3) ... [2022-11-20 11:55:35,959 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79e40656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:55:35, skipping insertion in model container [2022-11-20 11:55:35,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:55:35,959 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:35" (2/3) ... [2022-11-20 11:55:35,960 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79e40656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:55:35, skipping insertion in model container [2022-11-20 11:55:35,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:55:35,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:35" (3/3) ... [2022-11-20 11:55:35,962 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_AG313-alloca.i [2022-11-20 11:55:36,031 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:55:36,031 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:55:36,032 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:55:36,032 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:55:36,032 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:55:36,032 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:55:36,033 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:55:36,033 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:55:36,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 11:55:36,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:55:36,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:55:36,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:55:36,068 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 11:55:36,068 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:55:36,069 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:55:36,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 11:55:36,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:55:36,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:55:36,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:55:36,073 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 11:55:36,074 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:55:36,085 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;assume { :begin_inline_quot } true;quot_#in~x#1, quot_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc quot_#res#1;havoc quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset, quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset, quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset, quot_#t~mem5#1, quot_#t~mem9#1, quot_#t~mem10#1, quot_#t~mem11#1, quot_#t~mem6#1, quot_#t~mem7#1, quot_#t~short8#1, quot_#t~mem12#1, quot_~x#1, quot_~y#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, quot_~i~0#1.base, quot_~i~0#1.offset;quot_~x#1 := quot_#in~x#1;quot_~y#1 := quot_#in~y#1;call quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset := quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset;call quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset := quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset;call quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);quot_~i~0#1.base, quot_~i~0#1.offset := quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset;call write~int(quot_~x#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);call write~int(quot_~y#1, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);call write~int(0, quot_~i~0#1.base, quot_~i~0#1.offset, 4);call quot_#t~mem5#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4); 4#L555true assume !(0 == quot_#t~mem5#1);havoc quot_#t~mem5#1; 2#L556-5true [2022-11-20 11:55:36,086 INFO L750 eck$LassoCheckResult]: Loop: 2#L556-5true call quot_#t~mem6#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);quot_#t~short8#1 := quot_#t~mem6#1 > 0; 9#L556-1true assume !quot_#t~short8#1; 7#L556-3true assume !!quot_#t~short8#1;havoc quot_#t~mem6#1;havoc quot_#t~mem7#1;havoc quot_#t~short8#1;call quot_#t~mem9#1 := read~int(quot_~i~0#1.base, quot_~i~0#1.offset, 4);call write~int(1 + quot_#t~mem9#1, quot_~i~0#1.base, quot_~i~0#1.offset, 4);havoc quot_#t~mem9#1;call quot_#t~mem10#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);call quot_#t~mem11#1 := read~int(quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);call write~int(quot_#t~mem10#1 - 1 - (quot_#t~mem11#1 - 1), quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);havoc quot_#t~mem10#1;havoc quot_#t~mem11#1; 2#L556-5true [2022-11-20 11:55:36,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:36,099 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-20 11:55:36,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:36,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55510644] [2022-11-20 11:55:36,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:36,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:36,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:55:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:36,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:55:36,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:36,480 INFO L85 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2022-11-20 11:55:36,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:36,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935200166] [2022-11-20 11:55:36,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:36,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:36,612 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 11:55:36,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:55:36,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935200166] [2022-11-20 11:55:36,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935200166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:55:36,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:55:36,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:55:36,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347306055] [2022-11-20 11:55:36,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:55:36,628 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:55:36,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:55:36,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:55:36,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:55:36,692 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 11:55:36,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:55:36,736 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-11-20 11:55:36,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2022-11-20 11:55:36,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:55:36,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2022-11-20 11:55:36,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 11:55:36,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-20 11:55:36,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2022-11-20 11:55:36,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:55:36,754 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-11-20 11:55:36,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2022-11-20 11:55:36,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2022-11-20 11:55:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 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 11:55:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-11-20 11:55:36,797 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-11-20 11:55:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:55:36,811 INFO L428 stractBuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-11-20 11:55:36,812 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:55:36,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2022-11-20 11:55:36,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:55:36,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:55:36,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:55:36,814 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 11:55:36,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:55:36,815 INFO L748 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 36#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;assume { :begin_inline_quot } true;quot_#in~x#1, quot_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc quot_#res#1;havoc quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset, quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset, quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset, quot_#t~mem5#1, quot_#t~mem9#1, quot_#t~mem10#1, quot_#t~mem11#1, quot_#t~mem6#1, quot_#t~mem7#1, quot_#t~short8#1, quot_#t~mem12#1, quot_~x#1, quot_~y#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, quot_~i~0#1.base, quot_~i~0#1.offset;quot_~x#1 := quot_#in~x#1;quot_~y#1 := quot_#in~y#1;call quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset := quot_#t~malloc2#1.base, quot_#t~malloc2#1.offset;call quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset := quot_#t~malloc3#1.base, quot_#t~malloc3#1.offset;call quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);quot_~i~0#1.base, quot_~i~0#1.offset := quot_#t~malloc4#1.base, quot_#t~malloc4#1.offset;call write~int(quot_~x#1, quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);call write~int(quot_~y#1, quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);call write~int(0, quot_~i~0#1.base, quot_~i~0#1.offset, 4);call quot_#t~mem5#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4); 34#L555 assume !(0 == quot_#t~mem5#1);havoc quot_#t~mem5#1; 32#L556-5 [2022-11-20 11:55:36,815 INFO L750 eck$LassoCheckResult]: Loop: 32#L556-5 call quot_#t~mem6#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);quot_#t~short8#1 := quot_#t~mem6#1 > 0; 33#L556-1 assume quot_#t~short8#1;call quot_#t~mem7#1 := read~int(quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);quot_#t~short8#1 := quot_#t~mem7#1 > 0; 37#L556-3 assume !!quot_#t~short8#1;havoc quot_#t~mem6#1;havoc quot_#t~mem7#1;havoc quot_#t~short8#1;call quot_#t~mem9#1 := read~int(quot_~i~0#1.base, quot_~i~0#1.offset, 4);call write~int(1 + quot_#t~mem9#1, quot_~i~0#1.base, quot_~i~0#1.offset, 4);havoc quot_#t~mem9#1;call quot_#t~mem10#1 := read~int(quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);call quot_#t~mem11#1 := read~int(quot_~y_ref~0#1.base, quot_~y_ref~0#1.offset, 4);call write~int(quot_#t~mem10#1 - 1 - (quot_#t~mem11#1 - 1), quot_~x_ref~0#1.base, quot_~x_ref~0#1.offset, 4);havoc quot_#t~mem10#1;havoc quot_#t~mem11#1; 32#L556-5 [2022-11-20 11:55:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:36,820 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2022-11-20 11:55:36,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:36,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638805313] [2022-11-20 11:55:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:36,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:36,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:55:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:36,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:55:36,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:36,964 INFO L85 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2022-11-20 11:55:36,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:36,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122315342] [2022-11-20 11:55:36,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:36,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:36,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:55:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:37,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:55:37,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:37,008 INFO L85 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2022-11-20 11:55:37,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:37,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401411716] [2022-11-20 11:55:37,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:37,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:37,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:55:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:55:37,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:55:38,368 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:55:38,369 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:55:38,369 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:55:38,369 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:55:38,369 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:55:38,369 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:38,369 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:55:38,370 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:55:38,370 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313-alloca.i_Iteration2_Lasso [2022-11-20 11:55:38,370 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:55:38,370 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:55:38,418 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 11:55:38,443 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 11:55:38,448 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 11:55:38,452 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 11:55:38,455 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 11:55:38,460 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 11:55:38,463 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 11:55:38,467 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 11:55:38,473 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 11:55:38,477 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 11:55:39,601 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 11:55:39,604 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 11:55:39,608 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 11:55:39,612 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 11:55:39,617 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 11:55:39,620 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 11:55:39,625 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 11:55:40,474 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:55:40,479 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:55:40,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:40,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:40,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:40,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:55:40,498 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 11:55:40,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:40,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:55:40,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:40,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:40,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:40,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:55:40,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:55:40,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:40,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:40,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:40,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:40,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:40,558 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 11:55:40,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:55:40,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:40,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:40,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:40,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:40,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:55:40,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:55:40,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:40,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:40,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:40,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:40,624 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:40,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:55:40,634 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 11:55:40,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:40,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:55:40,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:40,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:40,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:40,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:55:40,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:55:40,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:40,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:40,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:40,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:40,664 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:40,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:55:40,668 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 11:55:40,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:40,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:55:40,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:40,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:40,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:40,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:55:40,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:55:40,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:40,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:40,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:40,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:40,701 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:40,714 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 11:55:40,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:55:40,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:40,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:40,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:40,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:40,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:55:40,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:55:40,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:40,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:40,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:40,755 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:40,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:55:40,762 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 11:55:40,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:40,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:55:40,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:40,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:40,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:40,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:55:40,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:55:40,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:40,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:40,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:40,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:40,822 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:40,836 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 11:55:40,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:55:40,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:40,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:55:40,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:40,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:40,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:40,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:55:40,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:55:40,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:40,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:40,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:40,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:40,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:40,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:55:40,902 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 11:55:40,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:40,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:40,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:40,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:40,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:55:40,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:55:40,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:40,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:40,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:40,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:40,956 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:40,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:55:40,966 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 11:55:40,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:40,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:55:40,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:40,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:40,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:40,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:55:40,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:55:41,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:41,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:41,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:41,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:41,009 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:41,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:55:41,016 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 11:55:41,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:41,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:41,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:41,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:41,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:55:41,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:55:41,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:41,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:41,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:41,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:41,086 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:41,099 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 11:55:41,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:55:41,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:41,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:41,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:41,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:41,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:55:41,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:55:41,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:41,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:41,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:41,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:41,154 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:41,164 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 11:55:41,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:55:41,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:41,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:41,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:41,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:41,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:55:41,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:55:41,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:41,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:41,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:41,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:41,237 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:41,244 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 11:55:41,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:55:41,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:41,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:41,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:41,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:41,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:55:41,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:55:41,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:41,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:41,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:41,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:41,290 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:41,304 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 11:55:41,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:55:41,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:41,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:55:41,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:41,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:41,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:55:41,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:55:41,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:55:41,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:41,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:41,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:41,353 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:41,359 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 11:55:41,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:55:41,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:55:41,376 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-20 11:55:41,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:55:41,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:55:41,389 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 11:55:41,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:55:41,411 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:55:41,435 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-20 11:55:41,436 INFO L444 ModelExtractionUtils]: 23 out of 28 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 11:55:41,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:55:41,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:55:41,480 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:55:41,547 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:55:41,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:55:41,577 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:55:41,577 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:55:41,578 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0#1.base) ULTIMATE.start_quot_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_quot_~x_ref~0#1.base) ULTIMATE.start_quot_~x_ref~0#1.offset)_1 Supporting invariants [] [2022-11-20 11:55:41,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:41,752 INFO L156 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2022-11-20 11:55:41,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:41,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 11:55:41,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:55:41,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 11:55:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:41,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 11:55:41,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:55:42,095 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 11:55:42,099 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-20 11:55:42,101 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 11:55:42,199 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 9 states and 10 transitions. Complement of second has 7 states. [2022-11-20 11:55:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 11:55:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 11:55:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2022-11-20 11:55:42,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-20 11:55:42,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:55:42,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-20 11:55:42,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:55:42,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-20 11:55:42,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:55:42,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-11-20 11:55:42,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:55:42,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2022-11-20 11:55:42,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 11:55:42,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 11:55:42,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 11:55:42,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:55:42,208 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:55:42,208 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:55:42,208 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:55:42,208 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:55:42,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:55:42,209 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:55:42,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 11:55:42,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:55:42 BoogieIcfgContainer [2022-11-20 11:55:42,218 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:55:42,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:55:42,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:55:42,219 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:55:42,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:55:35" (3/4) ... [2022-11-20 11:55:42,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:55:42,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:55:42,224 INFO L158 Benchmark]: Toolchain (without parser) took 7594.85ms. Allocated memory is still 197.1MB. Free memory was 152.0MB in the beginning and 70.5MB in the end (delta: 81.5MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2022-11-20 11:55:42,225 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory was 82.7MB in the beginning and 82.5MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:55:42,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.86ms. Allocated memory is still 197.1MB. Free memory was 152.0MB in the beginning and 136.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:55:42,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.49ms. Allocated memory is still 197.1MB. Free memory was 136.5MB in the beginning and 134.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:55:42,227 INFO L158 Benchmark]: Boogie Preprocessor took 33.09ms. Allocated memory is still 197.1MB. Free memory was 134.8MB in the beginning and 133.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:55:42,227 INFO L158 Benchmark]: RCFGBuilder took 668.81ms. Allocated memory is still 197.1MB. Free memory was 133.5MB in the beginning and 121.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:55:42,228 INFO L158 Benchmark]: BuchiAutomizer took 6267.53ms. Allocated memory is still 197.1MB. Free memory was 121.0MB in the beginning and 70.5MB in the end (delta: 50.5MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-11-20 11:55:42,228 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 197.1MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:55:42,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory was 82.7MB in the beginning and 82.5MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.86ms. Allocated memory is still 197.1MB. Free memory was 152.0MB in the beginning and 136.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.49ms. Allocated memory is still 197.1MB. Free memory was 136.5MB in the beginning and 134.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.09ms. Allocated memory is still 197.1MB. Free memory was 134.8MB in the beginning and 133.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.81ms. Allocated memory is still 197.1MB. Free memory was 133.5MB in the beginning and 121.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6267.53ms. Allocated memory is still 197.1MB. Free memory was 121.0MB in the beginning and 70.5MB in the end (delta: 50.5MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 197.1MB. Free memory is still 70.5MB. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 14 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital331 mio100 ax105 hnf100 lsp93 ukn59 mio100 lsp38 div100 bol100 ite100 ukn100 eq182 hnf88 smp94 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 225ms VariablesStem: 8 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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 11:55:42,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:55:42,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956f6089-933e-4bfe-82d7-5e0a7f23391f/bin/uautomizer-ug76WZFUDN/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