./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa --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 d23b84347ad8f89b884566eade2030749c1dbcf7e12f4141b44403af4e899f5c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:00:08,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:00:08,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:00:08,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:00:08,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:00:08,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:00:08,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:00:08,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:00:08,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:00:08,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:00:08,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:00:08,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:00:08,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:00:08,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:00:08,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:00:08,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:00:08,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:00:08,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:00:08,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:00:08,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:00:08,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:00:08,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:00:09,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:00:09,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:00:09,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:00:09,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:00:09,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:00:09,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:00:09,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:00:09,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:00:09,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:00:09,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:00:09,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:00:09,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:00:09,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:00:09,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:00:09,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:00:09,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:00:09,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:00:09,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:00:09,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:00:09,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 19:00:09,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:00:09,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:00:09,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:00:09,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:00:09,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:00:09,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:00:09,033 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:00:09,033 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 19:00:09,033 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 19:00:09,033 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 19:00:09,033 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 19:00:09,033 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 19:00:09,033 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 19:00:09,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:00:09,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 19:00:09,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:00:09,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:00:09,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:00:09,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:00:09,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:00:09,036 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 19:00:09,036 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_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d23b84347ad8f89b884566eade2030749c1dbcf7e12f4141b44403af4e899f5c [2021-12-06 19:00:09,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:00:09,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:00:09,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:00:09,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:00:09,249 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:00:09,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2021-12-06 19:00:09,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/data/ae4326c2b/f71a71161e86413e84c8a4a88b1c7527/FLAG0c5d0f985 [2021-12-06 19:00:09,710 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:00:09,710 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2021-12-06 19:00:09,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/data/ae4326c2b/f71a71161e86413e84c8a4a88b1c7527/FLAG0c5d0f985 [2021-12-06 19:00:09,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/data/ae4326c2b/f71a71161e86413e84c8a4a88b1c7527 [2021-12-06 19:00:09,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:00:09,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:00:09,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:00:09,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:00:09,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:00:09,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:09,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5a9928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09, skipping insertion in model container [2021-12-06 19:00:09,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:09,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:00:09,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:00:09,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:00:09,946 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:00:09,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:00:09,990 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:00:09,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09 WrapperNode [2021-12-06 19:00:09,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:00:09,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:00:09,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:00:09,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:00:09,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,023 INFO L137 Inliner]: procedures = 111, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2021-12-06 19:00:10,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:00:10,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:00:10,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:00:10,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:00:10,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:00:10,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:00:10,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:00:10,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:00:10,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (1/1) ... [2021-12-06 19:00:10,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:10,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:10,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:10,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 19:00:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:00:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:00:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:00:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:00:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:00:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:00:10,157 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:00:10,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:00:10,288 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:00:10,292 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:00:10,293 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:00:10,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:00:10 BoogieIcfgContainer [2021-12-06 19:00:10,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:00:10,295 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 19:00:10,295 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 19:00:10,297 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 19:00:10,298 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:00:10,298 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 07:00:09" (1/3) ... [2021-12-06 19:00:10,298 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@86ab8bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:00:10, skipping insertion in model container [2021-12-06 19:00:10,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:00:10,299 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:00:09" (2/3) ... [2021-12-06 19:00:10,299 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@86ab8bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:00:10, skipping insertion in model container [2021-12-06 19:00:10,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:00:10,299 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:00:10" (3/3) ... [2021-12-06 19:00:10,300 INFO L388 chiAutomizerObserver]: Analyzing ICFG Avery-2006FLOPS-Tabel1_true-alloca.i [2021-12-06 19:00:10,333 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 19:00:10,334 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 19:00:10,334 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 19:00:10,334 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 19:00:10,334 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 19:00:10,334 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 19:00:10,334 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 19:00:10,334 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 19:00:10,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-12-06 19:00:10,374 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 19:00:10,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:00:10,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:00:10,380 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 19:00:10,380 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:00:10,380 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 19:00:10,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-12-06 19:00:10,382 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 19:00:10,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:00:10,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:00:10,383 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 19:00:10,383 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:00:10,390 INFO L791 eck$LassoCheckResult]: Stem: 4#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~nondet22#1, main_#t~nondet23#1, main_#t~ret24#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet22#1;havoc main_#t~nondet22#1;main_~y~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1;assume { :begin_inline_subxy } true;subxy_#in~x#1, subxy_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc subxy_#res#1;havoc subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset, subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset, subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset, subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset, subxy_#t~mem6#1, subxy_#t~mem7#1, subxy_#t~mem8#1, subxy_#t~short9#1, subxy_#t~mem11#1, subxy_#t~post12#1, subxy_#t~mem13#1, subxy_#t~post14#1, subxy_#t~mem10#1, subxy_#t~mem17#1, subxy_#t~post18#1, subxy_#t~mem19#1, subxy_#t~post20#1, subxy_#t~mem15#1, subxy_#t~mem16#1, subxy_#t~mem21#1, subxy_~x#1, subxy_~y#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, subxy_~z~0#1.base, subxy_~z~0#1.offset, subxy_~i~0#1.base, subxy_~i~0#1.offset;subxy_~x#1 := subxy_#in~x#1;subxy_~y#1 := subxy_#in~y#1;call subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset := subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset;call subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset := subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset;call subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);subxy_~z~0#1.base, subxy_~z~0#1.offset := subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset;call subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);subxy_~i~0#1.base, subxy_~i~0#1.offset := subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset;call write~int(subxy_~x#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_~y#1, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);call write~int(0, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);call subxy_#t~mem6#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_#t~mem6#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem6#1;call subxy_#t~mem7#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem7#1 <= 0; 6#L556true assume !subxy_#t~short9#1;call subxy_#t~mem8#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem8#1 <= 0; 8#L556-2true assume !subxy_#t~short9#1;havoc subxy_#t~mem7#1;havoc subxy_#t~mem8#1;havoc subxy_#t~short9#1; 7#L559-3true [2021-12-06 19:00:10,390 INFO L793 eck$LassoCheckResult]: Loop: 7#L559-3true call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 9#L559-1true assume !!(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1;call subxy_#t~mem11#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post12#1 := subxy_#t~mem11#1;call write~int(subxy_#t~post12#1 - 1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem11#1;havoc subxy_#t~post12#1;call subxy_#t~mem13#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post14#1 := subxy_#t~mem13#1;call write~int(1 + subxy_#t~post14#1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem13#1;havoc subxy_#t~post14#1; 7#L559-3true [2021-12-06 19:00:10,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:10,396 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2021-12-06 19:00:10,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:10,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934363583] [2021-12-06 19:00:10,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:10,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:10,559 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:10,604 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:10,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:10,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1542, now seen corresponding path program 1 times [2021-12-06 19:00:10,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:10,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741045139] [2021-12-06 19:00:10,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:10,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:10,620 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:10,627 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:10,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:10,628 INFO L85 PathProgramCache]: Analyzing trace with hash 889572334, now seen corresponding path program 1 times [2021-12-06 19:00:10,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:10,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064639596] [2021-12-06 19:00:10,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:10,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:10,693 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:10,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:11,808 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:00:11,809 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:00:11,809 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:00:11,809 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:00:11,809 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:00:11,809 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:11,809 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:00:11,810 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:00:11,810 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration1_Lasso [2021-12-06 19:00:11,810 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:00:11,810 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:00:11,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:11,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:11,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:12,504 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:00:12,507 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:00:12,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 19:00:12,511 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 [2021-12-06 19:00:12,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:12,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:12,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:12,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:12,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 19:00:12,544 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 [2021-12-06 19:00:12,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:12,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:12,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:12,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 19:00:12,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 19:00:12,573 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 [2021-12-06 19:00:12,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 19:00:12,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,619 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 19:00:12,621 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 [2021-12-06 19:00:12,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 19:00:12,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,664 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 19:00:12,665 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 [2021-12-06 19:00:12,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:12,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 19:00:12,702 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 [2021-12-06 19:00:12,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 19:00:12,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,734 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 19:00:12,735 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 [2021-12-06 19:00:12,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 19:00:12,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,775 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 19:00:12,776 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 [2021-12-06 19:00:12,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 19:00:12,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,813 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 19:00:12,814 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 [2021-12-06 19:00:12,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:12,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,846 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 19:00:12,849 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 [2021-12-06 19:00:12,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:12,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,883 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 19:00:12,884 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 [2021-12-06 19:00:12,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 19:00:12,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 19:00:12,918 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 [2021-12-06 19:00:12,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 19:00:12,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,952 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 19:00:12,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:00:12,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:12,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:12,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 19:00:12,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:12,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:12,981 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:12,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 19:00:12,982 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 [2021-12-06 19:00:12,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:12,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:12,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:12,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:12,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:12,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:13,000 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:00:13,016 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 19:00:13,016 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-06 19:00:13,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:13,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:13,018 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:13,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 19:00:13,027 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:00:13,037 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:00:13,037 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:00:13,038 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_1 Supporting invariants [] [2021-12-06 19:00:13,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 19:00:13,176 INFO L297 tatePredicateManager]: 35 out of 36 supporting invariants were superfluous and have been removed [2021-12-06 19:00:13,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:13,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:00:13,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:00:13,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 202 treesize of output 198 [2021-12-06 19:00:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:13,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 19:00:13,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:00:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:00:13,369 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 19:00:13,370 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-12-06 19:00:13,415 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 40 states and 48 transitions. Complement of second has 9 states. [2021-12-06 19:00:13,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 19:00:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-12-06 19:00:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2021-12-06 19:00:13,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 19:00:13,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:00:13,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 19:00:13,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:00:13,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-06 19:00:13,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:00:13,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2021-12-06 19:00:13,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:00:13,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 12 states and 15 transitions. [2021-12-06 19:00:13,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-06 19:00:13,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-06 19:00:13,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-12-06 19:00:13,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:00:13,427 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-12-06 19:00:13,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-12-06 19:00:13,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2021-12-06 19:00:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-12-06 19:00:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-12-06 19:00:13,444 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-06 19:00:13,444 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-06 19:00:13,444 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 19:00:13,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-12-06 19:00:13,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:00:13,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:00:13,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:00:13,445 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 19:00:13,445 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:00:13,445 INFO L791 eck$LassoCheckResult]: Stem: 250#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 251#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~nondet23#1, main_#t~ret24#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet22#1;havoc main_#t~nondet22#1;main_~y~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1;assume { :begin_inline_subxy } true;subxy_#in~x#1, subxy_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc subxy_#res#1;havoc subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset, subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset, subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset, subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset, subxy_#t~mem6#1, subxy_#t~mem7#1, subxy_#t~mem8#1, subxy_#t~short9#1, subxy_#t~mem11#1, subxy_#t~post12#1, subxy_#t~mem13#1, subxy_#t~post14#1, subxy_#t~mem10#1, subxy_#t~mem17#1, subxy_#t~post18#1, subxy_#t~mem19#1, subxy_#t~post20#1, subxy_#t~mem15#1, subxy_#t~mem16#1, subxy_#t~mem21#1, subxy_~x#1, subxy_~y#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, subxy_~z~0#1.base, subxy_~z~0#1.offset, subxy_~i~0#1.base, subxy_~i~0#1.offset;subxy_~x#1 := subxy_#in~x#1;subxy_~y#1 := subxy_#in~y#1;call subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset := subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset;call subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset := subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset;call subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);subxy_~z~0#1.base, subxy_~z~0#1.offset := subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset;call subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);subxy_~i~0#1.base, subxy_~i~0#1.offset := subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset;call write~int(subxy_~x#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_~y#1, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);call write~int(0, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);call subxy_#t~mem6#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_#t~mem6#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem6#1;call subxy_#t~mem7#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem7#1 <= 0; 252#L556 assume !subxy_#t~short9#1;call subxy_#t~mem8#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem8#1 <= 0; 253#L556-2 assume !subxy_#t~short9#1;havoc subxy_#t~mem7#1;havoc subxy_#t~mem8#1;havoc subxy_#t~short9#1; 254#L559-3 call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 256#L559-1 assume !(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1; 259#L563-2 [2021-12-06 19:00:13,446 INFO L793 eck$LassoCheckResult]: Loop: 259#L563-2 call subxy_#t~mem15#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);call subxy_#t~mem16#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4); 258#L563 assume !!(subxy_#t~mem15#1 < subxy_#t~mem16#1);havoc subxy_#t~mem15#1;havoc subxy_#t~mem16#1;call subxy_#t~mem17#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post18#1 := subxy_#t~mem17#1;call write~int(1 + subxy_#t~post18#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem17#1;havoc subxy_#t~post18#1;call subxy_#t~mem19#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post20#1 := subxy_#t~mem19#1;call write~int(subxy_#t~post20#1 - 1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem19#1;havoc subxy_#t~post20#1; 259#L563-2 [2021-12-06 19:00:13,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash 889572332, now seen corresponding path program 1 times [2021-12-06 19:00:13,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:13,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530271580] [2021-12-06 19:00:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:13,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:13,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 19:00:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:00:13,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:13,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530271580] [2021-12-06 19:00:13,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530271580] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:13,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:13,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:00:13,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665619961] [2021-12-06 19:00:13,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:13,554 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:00:13,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:13,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-12-06 19:00:13,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:13,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424915981] [2021-12-06 19:00:13,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:13,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:13,564 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:13,570 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:13,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:13,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:00:13,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:00:13,662 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 6 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) [2021-12-06 19:00:13,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:13,704 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2021-12-06 19:00:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:00:13,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-12-06 19:00:13,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:00:13,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2021-12-06 19:00:13,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-06 19:00:13,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-06 19:00:13,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-12-06 19:00:13,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:00:13,706 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-12-06 19:00:13,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-12-06 19:00:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-12-06 19:00:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-12-06 19:00:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-12-06 19:00:13,708 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-12-06 19:00:13,708 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-12-06 19:00:13,708 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 19:00:13,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-12-06 19:00:13,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:00:13,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:00:13,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:00:13,709 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:13,709 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:00:13,709 INFO L791 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~nondet23#1, main_#t~ret24#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet22#1;havoc main_#t~nondet22#1;main_~y~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1;assume { :begin_inline_subxy } true;subxy_#in~x#1, subxy_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc subxy_#res#1;havoc subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset, subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset, subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset, subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset, subxy_#t~mem6#1, subxy_#t~mem7#1, subxy_#t~mem8#1, subxy_#t~short9#1, subxy_#t~mem11#1, subxy_#t~post12#1, subxy_#t~mem13#1, subxy_#t~post14#1, subxy_#t~mem10#1, subxy_#t~mem17#1, subxy_#t~post18#1, subxy_#t~mem19#1, subxy_#t~post20#1, subxy_#t~mem15#1, subxy_#t~mem16#1, subxy_#t~mem21#1, subxy_~x#1, subxy_~y#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, subxy_~z~0#1.base, subxy_~z~0#1.offset, subxy_~i~0#1.base, subxy_~i~0#1.offset;subxy_~x#1 := subxy_#in~x#1;subxy_~y#1 := subxy_#in~y#1;call subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset := subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset;call subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset := subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset;call subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);subxy_~z~0#1.base, subxy_~z~0#1.offset := subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset;call subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);subxy_~i~0#1.base, subxy_~i~0#1.offset := subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset;call write~int(subxy_~x#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_~y#1, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);call write~int(0, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);call subxy_#t~mem6#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_#t~mem6#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem6#1;call subxy_#t~mem7#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem7#1 <= 0; 289#L556 assume !subxy_#t~short9#1;call subxy_#t~mem8#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem8#1 <= 0; 290#L556-2 assume !subxy_#t~short9#1;havoc subxy_#t~mem7#1;havoc subxy_#t~mem8#1;havoc subxy_#t~short9#1; 291#L559-3 call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 292#L559-1 assume !!(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1;call subxy_#t~mem11#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post12#1 := subxy_#t~mem11#1;call write~int(subxy_#t~post12#1 - 1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem11#1;havoc subxy_#t~post12#1;call subxy_#t~mem13#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post14#1 := subxy_#t~mem13#1;call write~int(1 + subxy_#t~post14#1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem13#1;havoc subxy_#t~post14#1; 293#L559-3 call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 294#L559-1 assume !(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1; 296#L563-2 [2021-12-06 19:00:13,709 INFO L793 eck$LassoCheckResult]: Loop: 296#L563-2 call subxy_#t~mem15#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);call subxy_#t~mem16#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4); 295#L563 assume !!(subxy_#t~mem15#1 < subxy_#t~mem16#1);havoc subxy_#t~mem15#1;havoc subxy_#t~mem16#1;call subxy_#t~mem17#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post18#1 := subxy_#t~mem17#1;call write~int(1 + subxy_#t~post18#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem17#1;havoc subxy_#t~post18#1;call subxy_#t~mem19#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post20#1 := subxy_#t~mem19#1;call write~int(subxy_#t~post20#1 - 1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem19#1;havoc subxy_#t~post20#1; 296#L563-2 [2021-12-06 19:00:13,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:13,710 INFO L85 PathProgramCache]: Analyzing trace with hash 180521649, now seen corresponding path program 1 times [2021-12-06 19:00:13,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:13,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200507906] [2021-12-06 19:00:13,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:13,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:13,758 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:13,782 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:13,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:13,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2021-12-06 19:00:13,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:13,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928024077] [2021-12-06 19:00:13,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:13,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:13,791 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:13,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:13,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1682613814, now seen corresponding path program 1 times [2021-12-06 19:00:13,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:13,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269196587] [2021-12-06 19:00:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:13,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:13,841 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:13,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:15,829 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:00:15,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:00:15,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:00:15,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:00:15,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:00:15,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:15,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:00:15,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:00:15,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration3_Lasso [2021-12-06 19:00:15,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:00:15,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:00:15,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:15,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:16,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:16,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:16,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:16,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:16,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:16,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:16,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:16,624 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:00:16,624 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:00:16,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,625 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 19:00:16,626 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 [2021-12-06 19:00:16,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 19:00:16,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,654 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 19:00:16,656 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 [2021-12-06 19:00:16,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 19:00:16,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,683 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 19:00:16,684 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 [2021-12-06 19:00:16,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 19:00:16,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,711 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 19:00:16,713 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 [2021-12-06 19:00:16,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 19:00:16,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,741 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 19:00:16,743 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 [2021-12-06 19:00:16,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:16,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,770 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 19:00:16,771 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 [2021-12-06 19:00:16,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:16,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:16,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 19:00:16,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,800 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 19:00:16,802 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 [2021-12-06 19:00:16,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 19:00:16,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,829 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 19:00:16,830 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 [2021-12-06 19:00:16,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 19:00:16,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,857 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 19:00:16,858 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 [2021-12-06 19:00:16,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:16,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,886 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 19:00:16,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:00:16,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:16,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:16,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 19:00:16,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,918 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 19:00:16,919 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 [2021-12-06 19:00:16,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 19:00:16,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,947 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 19:00:16,948 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 [2021-12-06 19:00:16,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:16,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:16,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:16,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:16,975 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:16,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 19:00:16,977 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 [2021-12-06 19:00:16,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:16,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:16,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:16,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:16,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:16,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:16,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:16,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:17,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:17,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,005 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 19:00:17,006 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 [2021-12-06 19:00:17,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:17,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:17,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:17,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:17,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:17,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:17,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:17,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:17,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 19:00:17,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,033 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 19:00:17,035 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 [2021-12-06 19:00:17,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:17,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:17,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:17,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:17,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:17,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:17,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:17,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 19:00:17,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,064 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 19:00:17,066 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 [2021-12-06 19:00:17,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:17,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:17,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:17,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:17,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:17,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:17,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:17,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:17,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:17,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,092 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 19:00:17,094 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 [2021-12-06 19:00:17,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:17,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:17,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:17,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:17,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:17,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:17,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:17,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:17,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 19:00:17,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,122 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 19:00:17,123 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 [2021-12-06 19:00:17,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:17,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:17,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:17,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:17,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:17,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:17,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:17,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 19:00:17,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,153 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 19:00:17,154 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 [2021-12-06 19:00:17,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:17,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:00:17,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:17,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:17,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:17,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:00:17,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:00:17,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:17,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:17,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,182 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 19:00:17,183 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 [2021-12-06 19:00:17,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:17,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:17,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:17,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:17,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:17,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:17,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:17,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:17,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,234 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 19:00:17,236 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 [2021-12-06 19:00:17,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:17,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:17,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:17,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:17,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:17,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:17,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:17,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:17,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,265 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 19:00:17,266 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 [2021-12-06 19:00:17,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:17,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:17,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:17,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:17,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:17,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:17,286 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:00:17,305 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-12-06 19:00:17,306 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-12-06 19:00:17,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:17,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:17,306 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:17,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 19:00:17,307 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:00:17,315 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 19:00:17,315 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:00:17,315 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_2, ULTIMATE.start_subxy_~y#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_2 + 1*ULTIMATE.start_subxy_~y#1 Supporting invariants [1*ULTIMATE.start_subxy_~y#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0#1.base) ULTIMATE.start_subxy_~y_ref~0#1.offset)_2 >= 0] [2021-12-06 19:00:17,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 19:00:17,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 19:00:17,490 INFO L297 tatePredicateManager]: 40 out of 42 supporting invariants were superfluous and have been removed [2021-12-06 19:00:17,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:17,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 56 conjunts are in the unsatisfiable core [2021-12-06 19:00:17,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:00:17,691 INFO L354 Elim1Store]: treesize reduction 262, result has 36.4 percent of original size [2021-12-06 19:00:17,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 322 treesize of output 267 [2021-12-06 19:00:17,711 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:17,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 83 [2021-12-06 19:00:17,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 12 treesize of output 15 [2021-12-06 19:00:17,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 17 [2021-12-06 19:00:17,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-12-06 19:00:17,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 19:00:17,997 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:17,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 86 [2021-12-06 19:00:18,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-12-06 19:00:18,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-12-06 19:00:18,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-12-06 19:00:18,440 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 19:00:18,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 20 [2021-12-06 19:00:18,486 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-12-06 19:00:18,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2021-12-06 19:00:18,534 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 19:00:18,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2021-12-06 19:00:18,683 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 19:00:18,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 31 [2021-12-06 19:00:18,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-12-06 19:00:18,796 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 19:00:18,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 1 [2021-12-06 19:00:18,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2021-12-06 19:00:19,033 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:19,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2021-12-06 19:00:19,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2021-12-06 19:00:19,162 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 19:00:19,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 21 [2021-12-06 19:00:19,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2021-12-06 19:00:19,232 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 19:00:19,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 24 [2021-12-06 19:00:19,276 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:19,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 40 [2021-12-06 19:00:19,370 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 19:00:19,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 14 [2021-12-06 19:00:19,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-12-06 19:00:19,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-12-06 19:00:19,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2021-12-06 19:00:19,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-12-06 19:00:19,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2021-12-06 19:00:19,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-12-06 19:00:19,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2021-12-06 19:00:19,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-12-06 19:00:19,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-12-06 19:00:19,785 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 19:00:19,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 14 [2021-12-06 19:00:19,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-12-06 19:00:19,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2021-12-06 19:00:19,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2021-12-06 19:00:20,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 23 treesize of output 22 [2021-12-06 19:00:20,200 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:20,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 74 [2021-12-06 19:00:20,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 11 [2021-12-06 19:00:20,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 11 [2021-12-06 19:00:20,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 11 [2021-12-06 19:00:20,422 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:20,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 48 [2021-12-06 19:00:20,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2021-12-06 19:00:20,466 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 19:00:20,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 41 [2021-12-06 19:00:20,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2021-12-06 19:00:20,549 INFO L354 Elim1Store]: treesize reduction 16, result has 51.5 percent of original size [2021-12-06 19:00:20,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 56 treesize of output 60 [2021-12-06 19:00:20,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2021-12-06 19:00:20,697 INFO L354 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2021-12-06 19:00:20,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 49 [2021-12-06 19:00:20,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2021-12-06 19:00:20,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2021-12-06 19:00:20,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2021-12-06 19:00:20,880 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 19:00:20,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 38 [2021-12-06 19:00:20,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2021-12-06 19:00:20,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2021-12-06 19:00:20,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 19 [2021-12-06 19:00:21,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-06 19:00:21,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-06 19:00:21,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-06 19:00:21,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-06 19:00:21,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 335 treesize of output 316 [2021-12-06 19:00:21,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 19:00:21,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 19:00:21,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 19:00:21,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 19:00:21,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 19:00:21,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 19:00:21,904 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:21,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 174 treesize of output 180 [2021-12-06 19:00:22,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 11 [2021-12-06 19:00:22,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 11 [2021-12-06 19:00:22,075 INFO L354 Elim1Store]: treesize reduction 21, result has 48.8 percent of original size [2021-12-06 19:00:22,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 178 treesize of output 173 [2021-12-06 19:00:22,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 414 treesize of output 406 [2021-12-06 19:00:22,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:00:22,528 INFO L354 Elim1Store]: treesize reduction 52, result has 44.1 percent of original size [2021-12-06 19:00:22,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 114 treesize of output 94 [2021-12-06 19:00:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:22,739 WARN L261 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-06 19:00:22,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:00:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:00:22,763 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-06 19:00:22,763 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:00:22,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 25 transitions. Complement of second has 11 states. [2021-12-06 19:00:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 19:00:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:00:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 16 transitions. [2021-12-06 19:00:22,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 16 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-06 19:00:22,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:00:22,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 16 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-06 19:00:22,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:00:22,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 16 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-06 19:00:22,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:00:22,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2021-12-06 19:00:22,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:00:22,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 18 transitions. [2021-12-06 19:00:22,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-06 19:00:22,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-06 19:00:22,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2021-12-06 19:00:22,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:00:22,927 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-12-06 19:00:22,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2021-12-06 19:00:22,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2021-12-06 19:00:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 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) [2021-12-06 19:00:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-12-06 19:00:22,929 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-12-06 19:00:22,929 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-12-06 19:00:22,929 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 19:00:22,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2021-12-06 19:00:22,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:00:22,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:00:22,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:00:22,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1] [2021-12-06 19:00:22,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:00:22,930 INFO L791 eck$LassoCheckResult]: Stem: 563#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~nondet23#1, main_#t~ret24#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet22#1;havoc main_#t~nondet22#1;main_~y~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1;assume { :begin_inline_subxy } true;subxy_#in~x#1, subxy_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc subxy_#res#1;havoc subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset, subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset, subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset, subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset, subxy_#t~mem6#1, subxy_#t~mem7#1, subxy_#t~mem8#1, subxy_#t~short9#1, subxy_#t~mem11#1, subxy_#t~post12#1, subxy_#t~mem13#1, subxy_#t~post14#1, subxy_#t~mem10#1, subxy_#t~mem17#1, subxy_#t~post18#1, subxy_#t~mem19#1, subxy_#t~post20#1, subxy_#t~mem15#1, subxy_#t~mem16#1, subxy_#t~mem21#1, subxy_~x#1, subxy_~y#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, subxy_~z~0#1.base, subxy_~z~0#1.offset, subxy_~i~0#1.base, subxy_~i~0#1.offset;subxy_~x#1 := subxy_#in~x#1;subxy_~y#1 := subxy_#in~y#1;call subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset := subxy_#t~malloc2#1.base, subxy_#t~malloc2#1.offset;call subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset := subxy_#t~malloc3#1.base, subxy_#t~malloc3#1.offset;call subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);subxy_~z~0#1.base, subxy_~z~0#1.offset := subxy_#t~malloc4#1.base, subxy_#t~malloc4#1.offset;call subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);subxy_~i~0#1.base, subxy_~i~0#1.offset := subxy_#t~malloc5#1.base, subxy_#t~malloc5#1.offset;call write~int(subxy_~x#1, subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_~y#1, subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);call write~int(0, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);call subxy_#t~mem6#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);call write~int(subxy_#t~mem6#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem6#1;call subxy_#t~mem7#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem7#1 <= 0; 565#L556 assume !subxy_#t~short9#1;call subxy_#t~mem8#1 := read~int(subxy_~x_ref~0#1.base, subxy_~x_ref~0#1.offset, 4);subxy_#t~short9#1 := subxy_#t~mem8#1 <= 0; 566#L556-2 assume !subxy_#t~short9#1;havoc subxy_#t~mem7#1;havoc subxy_#t~mem8#1;havoc subxy_#t~short9#1; 567#L559-3 call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 568#L559-1 assume !!(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1;call subxy_#t~mem11#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post12#1 := subxy_#t~mem11#1;call write~int(subxy_#t~post12#1 - 1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem11#1;havoc subxy_#t~post12#1;call subxy_#t~mem13#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post14#1 := subxy_#t~mem13#1;call write~int(1 + subxy_#t~post14#1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem13#1;havoc subxy_#t~post14#1; 569#L559-3 call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 570#L559-1 assume !!(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1;call subxy_#t~mem11#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post12#1 := subxy_#t~mem11#1;call write~int(subxy_#t~post12#1 - 1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem11#1;havoc subxy_#t~post12#1;call subxy_#t~mem13#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post14#1 := subxy_#t~mem13#1;call write~int(1 + subxy_#t~post14#1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem13#1;havoc subxy_#t~post14#1; 574#L559-3 call subxy_#t~mem10#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4); 573#L559-1 assume !(subxy_#t~mem10#1 > 0);havoc subxy_#t~mem10#1; 572#L563-2 [2021-12-06 19:00:22,930 INFO L793 eck$LassoCheckResult]: Loop: 572#L563-2 call subxy_#t~mem15#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);call subxy_#t~mem16#1 := read~int(subxy_~y_ref~0#1.base, subxy_~y_ref~0#1.offset, 4); 571#L563 assume !!(subxy_#t~mem15#1 < subxy_#t~mem16#1);havoc subxy_#t~mem15#1;havoc subxy_#t~mem16#1;call subxy_#t~mem17#1 := read~int(subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);subxy_#t~post18#1 := subxy_#t~mem17#1;call write~int(1 + subxy_#t~post18#1, subxy_~i~0#1.base, subxy_~i~0#1.offset, 4);havoc subxy_#t~mem17#1;havoc subxy_#t~post18#1;call subxy_#t~mem19#1 := read~int(subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);subxy_#t~post20#1 := subxy_#t~mem19#1;call write~int(subxy_#t~post20#1 - 1, subxy_~z~0#1.base, subxy_~z~0#1.offset, 4);havoc subxy_#t~mem19#1;havoc subxy_#t~post20#1; 572#L563-2 [2021-12-06 19:00:22,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:22,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1682615350, now seen corresponding path program 2 times [2021-12-06 19:00:22,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:22,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298191801] [2021-12-06 19:00:22,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:22,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:22,960 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:22,978 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:22,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 3 times [2021-12-06 19:00:22,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:22,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359279313] [2021-12-06 19:00:22,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:22,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:22,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:22,990 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:22,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:22,991 INFO L85 PathProgramCache]: Analyzing trace with hash 2085649019, now seen corresponding path program 2 times [2021-12-06 19:00:22,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:22,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33636100] [2021-12-06 19:00:22,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:22,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:23,033 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:00:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:00:23,053 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:00:27,570 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:00:27,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:00:27,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:00:27,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:00:27,570 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:00:27,571 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:27,571 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:00:27,571 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:00:27,571 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration4_Lasso [2021-12-06 19:00:27,571 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:00:27,571 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:00:27,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:00:28,549 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:00:28,549 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:00:28,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:28,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:28,550 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:28,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 19:00:28,551 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 [2021-12-06 19:00:28,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:28,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:28,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:28,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:28,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:28,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:28,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:28,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-06 19:00:28,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:28,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:28,582 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:28,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 19:00:28,586 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 [2021-12-06 19:00:28,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:28,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:28,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:28,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:28,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:28,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:28,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:28,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 19:00:28,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:28,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:28,622 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:28,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 19:00:28,623 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 [2021-12-06 19:00:28,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:28,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:28,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:28,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:28,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:28,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:28,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:28,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 19:00:28,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:28,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:28,652 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:28,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 19:00:28,654 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 [2021-12-06 19:00:28,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:28,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:28,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:28,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:28,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:28,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:28,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:28,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 19:00:28,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:28,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:28,697 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:28,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 19:00:28,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:00:28,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:28,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:28,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:28,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:28,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:28,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:28,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:28,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 19:00:28,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:28,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:28,727 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:28,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 19:00:28,729 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 [2021-12-06 19:00:28,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:28,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:28,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:28,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:28,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:28,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:28,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:00:28,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 19:00:28,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:28,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:28,757 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:28,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 19:00:28,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:00:28,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:00:28,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:00:28,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:00:28,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:00:28,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:00:28,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:00:28,778 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:00:28,806 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-12-06 19:00:28,807 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-12-06 19:00:28,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:00:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:00:28,807 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:00:28,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 19:00:28,808 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:00:28,818 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:00:28,818 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:00:28,818 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0#1.base) ULTIMATE.start_subxy_~y_ref~0#1.offset)_3, v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0#1.base) ULTIMATE.start_subxy_~y_ref~0#1.offset)_3 - 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0#1.base) ULTIMATE.start_subxy_~i~0#1.offset)_3 Supporting invariants [] [2021-12-06 19:00:28,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 19:00:28,972 INFO L297 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2021-12-06 19:00:28,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-06 19:00:29,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:00:29,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:00:29,086 INFO L354 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2021-12-06 19:00:29,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 93 [2021-12-06 19:00:29,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-12-06 19:00:29,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-12-06 19:00:29,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 16 [2021-12-06 19:00:29,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 12 treesize of output 10 [2021-12-06 19:00:29,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2021-12-06 19:00:29,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-12-06 19:00:29,238 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 19:00:29,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2021-12-06 19:00:29,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 19:00:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 19:00:29,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:00:29,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:00:29,283 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-12-06 19:00:29,283 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-12-06 19:00:29,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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 14 states and 17 transitions. Complement of second has 7 states. [2021-12-06 19:00:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 19:00:29,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-12-06 19:00:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2021-12-06 19:00:29,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-06 19:00:29,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:00:29,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 12 letters. Loop has 2 letters. [2021-12-06 19:00:29,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:00:29,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-06 19:00:29,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:00:29,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-12-06 19:00:29,358 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:00:29,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-12-06 19:00:29,358 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 19:00:29,358 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 19:00:29,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 19:00:29,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:00:29,358 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:00:29,358 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:00:29,358 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:00:29,358 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 19:00:29,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:00:29,358 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:00:29,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 19:00:29,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 07:00:29 BoogieIcfgContainer [2021-12-06 19:00:29,363 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 19:00:29,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:00:29,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:00:29,363 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:00:29,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:00:10" (3/4) ... [2021-12-06 19:00:29,365 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:00:29,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:00:29,366 INFO L158 Benchmark]: Toolchain (without parser) took 19632.35ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 77.9MB in the beginning and 78.3MB in the end (delta: -433.0kB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-12-06 19:00:29,366 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:00:29,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.94ms. Allocated memory is still 107.0MB. Free memory was 77.7MB in the beginning and 62.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 19:00:29,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.95ms. Allocated memory is still 107.0MB. Free memory was 62.4MB in the beginning and 60.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:00:29,367 INFO L158 Benchmark]: Boogie Preprocessor took 19.11ms. Allocated memory is still 107.0MB. Free memory was 60.5MB in the beginning and 59.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:00:29,367 INFO L158 Benchmark]: RCFGBuilder took 250.23ms. Allocated memory is still 107.0MB. Free memory was 59.1MB in the beginning and 46.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 19:00:29,367 INFO L158 Benchmark]: BuchiAutomizer took 19068.14ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 46.7MB in the beginning and 78.3MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:00:29,367 INFO L158 Benchmark]: Witness Printer took 2.40ms. Allocated memory is still 130.0MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:00:29,368 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.94ms. Allocated memory is still 107.0MB. Free memory was 77.7MB in the beginning and 62.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.95ms. Allocated memory is still 107.0MB. Free memory was 62.4MB in the beginning and 60.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.11ms. Allocated memory is still 107.0MB. Free memory was 60.5MB in the beginning and 59.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 250.23ms. Allocated memory is still 107.0MB. Free memory was 59.1MB in the beginning and 46.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 19068.14ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 46.7MB in the beginning and 78.3MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.40ms. Allocated memory is still 130.0MB. Free memory is still 78.3MB. 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[i][i] and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[i][i] + y and consists of 9 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[i][i] and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.0s and 5 iterations. TraceHistogramMax:3. Analysis of lassos took 12.8s. Construction of modules took 0.0s. Büchi inclusion checks took 6.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 26 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital2602 mio100 ax101 hnf100 lsp97 ukn22 mio100 lsp33 div100 bol100 ite100 ukn100 eq190 hnf88 smp95 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 10 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 19:00:29,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32d6f74-ebd5-43a3-bd5b-5badf7cc7b62/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE