./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.18-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_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/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_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/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_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/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 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:33:34,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:33:34,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:33:34,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:33:34,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:33:34,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:33:34,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:33:34,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:33:34,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:33:34,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:33:34,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:33:34,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:33:34,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:33:34,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:33:34,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:33:34,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:33:34,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:33:34,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:33:34,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:33:34,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:33:34,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:33:34,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:33:34,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:33:34,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:33:34,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:33:34,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:33:34,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:33:34,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:33:34,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:33:34,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:33:34,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:33:34,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:33:34,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:33:34,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:33:34,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:33:34,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:33:34,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:33:34,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:33:34,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:33:34,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:33:34,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:33:34,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 20:33:34,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:33:34,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:33:34,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:33:34,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:33:34,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:33:34,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:33:34,108 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:33:34,108 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 20:33:34,108 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 20:33:34,108 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 20:33:34,109 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 20:33:34,109 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 20:33:34,109 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 20:33:34,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:33:34,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 20:33:34,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:33:34,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:33:34,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 20:33:34,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 20:33:34,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 20:33:34,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:33:34,110 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 20:33:34,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:33:34,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 20:33:34,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:33:34,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:33:34,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:33:34,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:33:34,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:33:34,111 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 20:33:34,112 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_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff [2021-12-06 20:33:34,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:33:34,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:33:34,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:33:34,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:33:34,323 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:33:34,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2021-12-06 20:33:34,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/data/b21033d70/4a4b8af81635466591660c7bcaad6b33/FLAGed6182a24 [2021-12-06 20:33:34,808 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:33:34,808 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2021-12-06 20:33:34,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/data/b21033d70/4a4b8af81635466591660c7bcaad6b33/FLAGed6182a24 [2021-12-06 20:33:34,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/data/b21033d70/4a4b8af81635466591660c7bcaad6b33 [2021-12-06 20:33:34,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:33:34,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:33:34,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:33:34,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:33:34,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:33:34,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:33:34" (1/1) ... [2021-12-06 20:33:34,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adc604f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:34, skipping insertion in model container [2021-12-06 20:33:34,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:33:34" (1/1) ... [2021-12-06 20:33:34,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:33:34,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:33:35,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:33:35,044 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:33:35,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:33:35,091 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:33:35,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35 WrapperNode [2021-12-06 20:33:35,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:33:35,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:33:35,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:33:35,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:33:35,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,132 INFO L137 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2021-12-06 20:33:35,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:33:35,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:33:35,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:33:35,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:33:35,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:33:35,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:33:35,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:33:35,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:33:35,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (1/1) ... [2021-12-06 20:33:35,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:35,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:35,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 20:33:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:33:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:33:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:33:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:33:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:33:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:33:35,282 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:33:35,283 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:33:35,404 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:33:35,409 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:33:35,409 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 20:33:35,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:33:35 BoogieIcfgContainer [2021-12-06 20:33:35,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:33:35,411 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 20:33:35,411 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 20:33:35,413 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 20:33:35,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 20:33:35,414 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 08:33:34" (1/3) ... [2021-12-06 20:33:35,414 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55728d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 08:33:35, skipping insertion in model container [2021-12-06 20:33:35,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 20:33:35,414 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:33:35" (2/3) ... [2021-12-06 20:33:35,415 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55728d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 08:33:35, skipping insertion in model container [2021-12-06 20:33:35,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 20:33:35,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:33:35" (3/3) ... [2021-12-06 20:33:35,416 INFO L388 chiAutomizerObserver]: Analyzing ICFG b.18-alloca.i [2021-12-06 20:33:35,446 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 20:33:35,446 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 20:33:35,446 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 20:33:35,446 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 20:33:35,446 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 20:33:35,446 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 20:33:35,446 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 20:33:35,446 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 20:33:35,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 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 20:33:35,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 20:33:35,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:35,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:35,473 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:33:35,473 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 20:33:35,474 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 20:33:35,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 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 20:33:35,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 20:33:35,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:35,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:35,475 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:33:35,475 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 20:33:35,480 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 13#L559-4true [2021-12-06 20:33:35,480 INFO L793 eck$LassoCheckResult]: Loop: 13#L559-4true call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 12#L553-1true assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 7#L553-3true assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 18#L554true assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 8#L559-3true assume !true; 13#L559-4true [2021-12-06 20:33:35,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:35,485 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 20:33:35,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:35,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655240277] [2021-12-06 20:33:35,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:35,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:35,573 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:35,602 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:35,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:35,604 INFO L85 PathProgramCache]: Analyzing trace with hash 35410170, now seen corresponding path program 1 times [2021-12-06 20:33:35,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:35,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308905330] [2021-12-06 20:33:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:35,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:35,643 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 20:33:35,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:33:35,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308905330] [2021-12-06 20:33:35,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308905330] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:35,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:35,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-06 20:33:35,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197940338] [2021-12-06 20:33:35,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:35,648 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 20:33:35,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:33:35,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 20:33:35,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:33:35,673 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 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 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:35,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:35,678 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2021-12-06 20:33:35,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 20:33:35,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2021-12-06 20:33:35,683 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 20:33:35,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 10 states and 14 transitions. [2021-12-06 20:33:35,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-06 20:33:35,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-06 20:33:35,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2021-12-06 20:33:35,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:33:35,687 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2021-12-06 20:33:35,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2021-12-06 20:33:35,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-12-06 20:33:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 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 20:33:35,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2021-12-06 20:33:35,706 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2021-12-06 20:33:35,706 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2021-12-06 20:33:35,706 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 20:33:35,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2021-12-06 20:33:35,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 20:33:35,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:35,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:35,707 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:33:35,707 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-06 20:33:35,707 INFO L791 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 43#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 50#L559-4 [2021-12-06 20:33:35,707 INFO L793 eck$LassoCheckResult]: Loop: 50#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 51#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 46#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 47#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 48#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 49#L559-1 assume !(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1; 50#L559-4 [2021-12-06 20:33:35,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:35,708 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-12-06 20:33:35,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:35,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873781939] [2021-12-06 20:33:35,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:35,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:35,726 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:35,741 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:35,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:35,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1097715097, now seen corresponding path program 1 times [2021-12-06 20:33:35,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:35,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728467252] [2021-12-06 20:33:35,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:35,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:35,796 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 20:33:35,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:33:35,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728467252] [2021-12-06 20:33:35,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728467252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:35,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:35,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:33:35,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681873302] [2021-12-06 20:33:35,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:35,797 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 20:33:35,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:33:35,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:33:35,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:33:35,798 INFO L87 Difference]: Start difference. First operand 10 states and 14 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:35,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:35,840 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2021-12-06 20:33:35,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:33:35,842 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2021-12-06 20:33:35,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2021-12-06 20:33:35,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 23 transitions. [2021-12-06 20:33:35,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-06 20:33:35,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-06 20:33:35,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-12-06 20:33:35,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:33:35,844 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-06 20:33:35,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-12-06 20:33:35,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2021-12-06 20:33:35,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-12-06 20:33:35,846 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-06 20:33:35,846 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-06 20:33:35,846 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 20:33:35,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2021-12-06 20:33:35,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-12-06 20:33:35,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:35,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:35,847 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:33:35,848 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-06 20:33:35,848 INFO L791 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 80#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 89#L559-4 [2021-12-06 20:33:35,848 INFO L793 eck$LassoCheckResult]: Loop: 89#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 88#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 83#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 84#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 81#L555-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 82#L555-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 89#L559-4 [2021-12-06 20:33:35,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:35,849 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2021-12-06 20:33:35,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:35,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638059406] [2021-12-06 20:33:35,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:35,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:35,868 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:35,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:35,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:35,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1097700202, now seen corresponding path program 1 times [2021-12-06 20:33:35,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:35,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687402850] [2021-12-06 20:33:35,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:35,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:35,915 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 20:33:35,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:33:35,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687402850] [2021-12-06 20:33:35,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687402850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:35,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:35,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:33:35,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585841901] [2021-12-06 20:33:35,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:35,917 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 20:33:35,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:33:35,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:33:35,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:33:35,918 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 5 Second operand has 5 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 20:33:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:35,955 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-12-06 20:33:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:33:35,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-12-06 20:33:35,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 20:33:35,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2021-12-06 20:33:35,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-06 20:33:35,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-06 20:33:35,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2021-12-06 20:33:35,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:33:35,958 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-12-06 20:33:35,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2021-12-06 20:33:35,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-12-06 20:33:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 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 20:33:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2021-12-06 20:33:35,959 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-12-06 20:33:35,959 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-12-06 20:33:35,959 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 20:33:35,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2021-12-06 20:33:35,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-12-06 20:33:35,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:35,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:35,960 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:33:35,960 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-12-06 20:33:35,961 INFO L791 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 117#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 125#L559-4 [2021-12-06 20:33:35,961 INFO L793 eck$LassoCheckResult]: Loop: 125#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 126#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 120#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 121#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 118#L555-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 119#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 127#L555-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 129#L555-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 125#L559-4 [2021-12-06 20:33:35,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:35,961 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2021-12-06 20:33:35,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:35,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25137027] [2021-12-06 20:33:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:35,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:35,974 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:35,985 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:35,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:35,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1672057937, now seen corresponding path program 1 times [2021-12-06 20:33:35,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:35,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781553978] [2021-12-06 20:33:35,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:35,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:36,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:33:36,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:33:36,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781553978] [2021-12-06 20:33:36,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781553978] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:33:36,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666392091] [2021-12-06 20:33:36,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:36,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:33:36,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:36,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:33:36,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:33:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:36,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:33:36,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:36,243 INFO L354 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2021-12-06 20:33:36,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 35 [2021-12-06 20:33:36,317 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-12-06 20:33:36,317 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 28 treesize of output 12 [2021-12-06 20:33:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:33:36,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:33:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:33:36,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666392091] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:33:36,395 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:33:36,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-12-06 20:33:36,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569681845] [2021-12-06 20:33:36,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:33:36,396 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 20:33:36,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:33:36,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 20:33:36,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:33:36,397 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 5 Second operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:36,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:36,426 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-12-06 20:33:36,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:33:36,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2021-12-06 20:33:36,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2021-12-06 20:33:36,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 25 transitions. [2021-12-06 20:33:36,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-06 20:33:36,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-06 20:33:36,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-12-06 20:33:36,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:33:36,428 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-12-06 20:33:36,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-12-06 20:33:36,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-12-06 20:33:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-12-06 20:33:36,430 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-06 20:33:36,430 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-06 20:33:36,430 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 20:33:36,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-12-06 20:33:36,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2021-12-06 20:33:36,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:36,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:36,431 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:33:36,431 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-12-06 20:33:36,431 INFO L791 eck$LassoCheckResult]: Stem: 209#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 218#L559-4 [2021-12-06 20:33:36,431 INFO L793 eck$LassoCheckResult]: Loop: 218#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 219#L553-1 assume !test_fun_#t~short6#1; 213#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 214#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 211#L555-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 212#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 224#L555-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 223#L555-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 218#L559-4 [2021-12-06 20:33:36,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:36,432 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2021-12-06 20:33:36,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:36,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553457494] [2021-12-06 20:33:36,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:36,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:36,443 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:36,452 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:36,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:36,452 INFO L85 PathProgramCache]: Analyzing trace with hash 102949425, now seen corresponding path program 1 times [2021-12-06 20:33:36,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:36,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880060441] [2021-12-06 20:33:36,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:36,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 20:33:36,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:33:36,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880060441] [2021-12-06 20:33:36,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880060441] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:36,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:36,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:33:36,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933067632] [2021-12-06 20:33:36,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:36,467 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 20:33:36,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:33:36,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:33:36,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:33:36,467 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:36,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:36,473 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2021-12-06 20:33:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:33:36,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2021-12-06 20:33:36,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-12-06 20:33:36,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 19 transitions. [2021-12-06 20:33:36,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-06 20:33:36,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-06 20:33:36,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-12-06 20:33:36,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:33:36,475 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-06 20:33:36,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-12-06 20:33:36,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-06 20:33:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 20:33:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-12-06 20:33:36,477 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-06 20:33:36,477 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-06 20:33:36,477 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 20:33:36,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-12-06 20:33:36,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-12-06 20:33:36,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:36,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:36,478 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:33:36,478 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-12-06 20:33:36,478 INFO L791 eck$LassoCheckResult]: Stem: 250#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 251#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 259#L559-4 [2021-12-06 20:33:36,478 INFO L793 eck$LassoCheckResult]: Loop: 259#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 260#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 254#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 255#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 256#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 257#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 258#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 262#L559-1 assume !(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1; 259#L559-4 [2021-12-06 20:33:36,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:36,478 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 6 times [2021-12-06 20:33:36,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:36,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614902681] [2021-12-06 20:33:36,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:36,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:36,487 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:36,495 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:36,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:36,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1657743362, now seen corresponding path program 1 times [2021-12-06 20:33:36,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:36,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962113509] [2021-12-06 20:33:36,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:36,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:36,504 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:36,512 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:36,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:36,512 INFO L85 PathProgramCache]: Analyzing trace with hash -967181888, now seen corresponding path program 1 times [2021-12-06 20:33:36,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:36,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003074866] [2021-12-06 20:33:36,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:36,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:36,525 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:36,538 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:36,871 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:33:36,871 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:33:36,871 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:33:36,872 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:33:36,872 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:33:36,872 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:36,872 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:33:36,872 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:33:36,872 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration6_Lasso [2021-12-06 20:33:36,872 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:33:36,872 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:33:36,899 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 20:33:37,032 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 20:33:37,034 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 20:33:37,035 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 20:33:37,036 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 20:33:37,037 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 20:33:37,038 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 20:33:37,039 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 20:33:37,040 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 20:33:37,041 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 20:33:37,043 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 20:33:37,044 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 20:33:37,045 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 20:33:37,046 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 20:33:37,047 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 20:33:37,048 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 20:33:37,049 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 20:33:37,050 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 20:33:37,051 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 20:33:37,052 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 20:33:37,053 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 20:33:37,054 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 20:33:37,056 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 20:33:37,057 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 20:33:37,243 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:33:37,246 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:33:37,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:37,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:37,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:37,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 20:33:37,276 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 20:33:37,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:37,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:37,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:37,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:37,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:37,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:37,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:37,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:37,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:37,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:37,330 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:37,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 20:33:37,331 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 20:33:37,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:37,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:37,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:37,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:37,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:37,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:37,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:37,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 20:33:37,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:37,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:37,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:37,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 20:33:37,366 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 20:33:37,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:37,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:37,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:37,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:37,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:37,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:37,389 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:33:37,402 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 20:33:37,402 INFO L444 ModelExtractionUtils]: 11 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-12-06 20:33:37,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:37,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:37,404 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:37,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 20:33:37,409 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:33:37,416 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 20:33:37,417 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:33:37,417 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 Supporting invariants [] [2021-12-06 20:33:37,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 20:33:37,456 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-12-06 20:33:37,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:37,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:33:37,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:37,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:33:37,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:37,504 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 7 [2021-12-06 20:33:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 20:33:37,538 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-12-06 20:33:37,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 4 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 20:33:37,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 20:33:37,624 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 4. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 40 states and 48 transitions. Complement of second has 10 states. [2021-12-06 20:33:37,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-12-06 20:33:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 20:33:37,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2021-12-06 20:33:37,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2021-12-06 20:33:37,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:37,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 10 letters. Loop has 8 letters. [2021-12-06 20:33:37,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:37,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 16 letters. [2021-12-06 20:33:37,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:37,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2021-12-06 20:33:37,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-06 20:33:37,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 38 states and 46 transitions. [2021-12-06 20:33:37,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-06 20:33:37,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-06 20:33:37,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2021-12-06 20:33:37,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:33:37,632 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 46 transitions. [2021-12-06 20:33:37,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2021-12-06 20:33:37,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2021-12-06 20:33:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 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 20:33:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-12-06 20:33:37,635 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-12-06 20:33:37,635 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-12-06 20:33:37,635 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 20:33:37,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2021-12-06 20:33:37,636 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-06 20:33:37,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:37,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:37,636 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 20:33:37,636 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1, 1, 1, 1, 1] [2021-12-06 20:33:37,636 INFO L791 eck$LassoCheckResult]: Stem: 414#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 415#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 433#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 431#L553-1 [2021-12-06 20:33:37,636 INFO L793 eck$LassoCheckResult]: Loop: 431#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 420#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 421#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 416#L555-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 417#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 434#L555-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 443#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 442#L555-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 441#L555-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 428#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 431#L553-1 [2021-12-06 20:33:37,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:37,637 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-06 20:33:37,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:37,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242051135] [2021-12-06 20:33:37,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:37,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:37,648 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:37,657 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:37,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:37,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1479493138, now seen corresponding path program 2 times [2021-12-06 20:33:37,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:37,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501954556] [2021-12-06 20:33:37,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:37,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:37,669 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:37,679 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:37,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:37,679 INFO L85 PathProgramCache]: Analyzing trace with hash 376307409, now seen corresponding path program 1 times [2021-12-06 20:33:37,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:37,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90085046] [2021-12-06 20:33:37,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:37,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:37,693 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:37,705 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:38,101 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:33:38,101 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:33:38,101 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:33:38,101 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:33:38,101 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:33:38,102 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,102 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:33:38,102 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:33:38,102 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration7_Lasso [2021-12-06 20:33:38,102 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:33:38,102 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:33:38,106 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 20:33:38,108 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 20:33:38,109 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 20:33:38,110 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 20:33:38,111 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 20:33:38,113 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 20:33:38,114 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 20:33:38,115 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 20:33:38,117 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 20:33:38,118 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 20:33:38,119 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 20:33:38,120 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 20:33:38,121 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 20:33:38,123 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 20:33:38,124 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 20:33:38,125 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 20:33:38,126 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 20:33:38,128 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 20:33:38,129 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 20:33:38,412 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 20:33:38,413 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 20:33:38,414 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 20:33:38,693 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:33:38,693 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:33:38,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,694 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 20:33:38,695 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 20:33:38,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:38,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:38,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:38,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 20:33:38,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,724 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 20:33:38,725 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 20:33:38,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:38,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:38,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:38,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 20:33:38,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,753 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 20:33:38,756 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 20:33:38,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:38,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:38,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:38,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 20:33:38,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,784 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 20:33:38,785 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 20:33:38,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:38,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:38,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:38,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 20:33:38,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,814 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 20:33:38,814 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 20:33:38,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:38,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:38,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:38,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 20:33:38,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,843 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 20:33:38,844 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 20:33:38,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:38,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:38,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:38,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,874 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 20:33:38,875 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 20:33:38,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:38,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:38,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:38,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 20:33:38,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,902 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 20:33:38,903 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 20:33:38,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:38,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:38,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:38,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 20:33:38,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,931 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 20:33:38,932 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 20:33:38,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:38,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:38,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:38,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 20:33:38,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,960 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 20:33:38,960 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 20:33:38,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:38,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:38,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:38,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 20:33:38,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:38,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:38,990 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:38,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 20:33:38,991 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 20:33:38,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:38,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:38,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:38,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:38,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:38,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:38,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:38,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:39,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 20:33:39,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,019 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 20:33:39,020 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 20:33:39,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:39,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:39,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:39,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:39,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:39,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 20:33:39,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,047 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 20:33:39,048 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 20:33:39,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:39,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:39,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:39,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:39,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:39,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 20:33:39,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,075 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 20:33:39,076 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 20:33:39,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:39,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:39,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:39,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:39,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 20:33:39,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,106 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 20:33:39,108 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 20:33:39,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:39,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:39,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:39,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:39,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:39,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:39,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,136 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 20:33:39,137 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 20:33:39,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:39,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:39,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:39,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:39,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:39,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:39,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,164 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 20:33:39,165 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 20:33:39,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:39,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:39,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:39,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:39,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:39,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,196 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 20:33:39,198 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 20:33:39,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:39,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:39,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:39,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:39,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 20:33:39,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,227 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 20:33:39,229 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 20:33:39,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:39,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:39,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:39,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:39,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 20:33:39,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,263 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 20:33:39,263 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 20:33:39,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,271 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-06 20:33:39,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,276 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-06 20:33:39,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:39,289 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:33:39,298 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 20:33:39,299 INFO L444 ModelExtractionUtils]: 29 out of 34 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-06 20:33:39,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,299 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 20:33:39,300 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:33:39,309 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 20:33:39,309 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:33:39,309 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(ite ULTIMATE.start_test_fun_#t~short6#1 1 0)_2) = 1*v_rep(ite ULTIMATE.start_test_fun_#t~short6#1 1 0)_2 Supporting invariants [] [2021-12-06 20:33:39,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 20:33:39,348 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-12-06 20:33:39,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:39,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:33:39,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:39,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:33:39,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:33:39,400 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-12-06 20:33:39,400 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:39,431 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 81 transitions. Complement of second has 8 states. [2021-12-06 20:33:39,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 20:33:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:39,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-12-06 20:33:39,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 10 letters. [2021-12-06 20:33:39,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:39,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 13 letters. Loop has 10 letters. [2021-12-06 20:33:39,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:39,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 20 letters. [2021-12-06 20:33:39,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:39,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 81 transitions. [2021-12-06 20:33:39,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 20:33:39,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 58 states and 72 transitions. [2021-12-06 20:33:39,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-06 20:33:39,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-06 20:33:39,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 72 transitions. [2021-12-06 20:33:39,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:33:39,434 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 72 transitions. [2021-12-06 20:33:39,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 72 transitions. [2021-12-06 20:33:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2021-12-06 20:33:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 52 states have internal predecessors, (67), 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 20:33:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2021-12-06 20:33:39,437 INFO L704 BuchiCegarLoop]: Abstraction has 53 states and 67 transitions. [2021-12-06 20:33:39,437 INFO L587 BuchiCegarLoop]: Abstraction has 53 states and 67 transitions. [2021-12-06 20:33:39,437 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 20:33:39,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 67 transitions. [2021-12-06 20:33:39,438 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 20:33:39,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:39,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:39,438 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 20:33:39,438 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 20:33:39,438 INFO L791 eck$LassoCheckResult]: Stem: 621#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 622#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 639#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 659#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 627#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 628#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 623#L555-3 [2021-12-06 20:33:39,438 INFO L793 eck$LassoCheckResult]: Loop: 623#L555-3 call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 624#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 623#L555-3 [2021-12-06 20:33:39,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:39,438 INFO L85 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2021-12-06 20:33:39,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:39,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378785431] [2021-12-06 20:33:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:39,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:39,446 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:39,454 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:39,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:39,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2021-12-06 20:33:39,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:39,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526862006] [2021-12-06 20:33:39,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:39,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:39,457 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:39,460 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:39,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:39,460 INFO L85 PathProgramCache]: Analyzing trace with hash 177749422, now seen corresponding path program 1 times [2021-12-06 20:33:39,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:39,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336567289] [2021-12-06 20:33:39,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:39,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:39,468 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:39,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:39,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 20:33:39,732 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:33:39,732 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:33:39,732 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:33:39,732 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:33:39,732 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:33:39,732 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:33:39,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:33:39,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration8_Lasso [2021-12-06 20:33:39,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:33:39,732 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:33:39,734 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 20:33:39,735 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 20:33:39,736 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 20:33:39,737 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 20:33:39,738 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 20:33:39,739 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 20:33:39,740 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 20:33:39,741 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 20:33:39,742 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 20:33:39,743 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 20:33:39,744 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 20:33:39,745 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 20:33:39,745 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 20:33:39,746 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 20:33:39,747 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 20:33:39,748 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 20:33:39,749 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 20:33:39,750 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 20:33:39,836 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 20:33:39,837 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 20:33:39,838 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 20:33:39,839 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 20:33:39,840 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 20:33:39,973 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:33:39,973 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:33:39,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:39,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:39,974 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 20:33:39,975 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 20:33:39,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:39,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:39,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:39,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:39,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:39,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:39,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:39,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 20:33:40,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,002 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 20:33:40,003 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 20:33:40,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 20:33:40,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,031 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 20:33:40,032 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 20:33:40,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:40,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:40,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 20:33:40,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,061 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 20:33:40,062 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 20:33:40,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 20:33:40,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,092 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 20:33:40,093 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 20:33:40,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 20:33:40,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,120 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 20:33:40,121 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 20:33:40,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 20:33:40,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,149 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 20:33:40,150 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 20:33:40,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:40,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:40,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 20:33:40,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,180 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 20:33:40,181 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 20:33:40,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 20:33:40,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,210 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 20:33:40,211 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 20:33:40,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 20:33:40,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,239 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 20:33:40,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:33:40,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:40,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:40,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 20:33:40,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,269 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 20:33:40,270 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 20:33:40,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:40,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,298 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 20:33:40,302 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 20:33:40,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:40,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,330 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 20:33:40,331 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 20:33:40,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:40,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,359 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 20:33:40,360 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 20:33:40,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:40,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,388 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 20:33:40,390 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 20:33:40,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 20:33:40,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,418 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 20:33:40,420 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 20:33:40,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:40,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:40,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:40,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,449 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 20:33:40,451 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 20:33:40,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:40,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:40,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:40,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 20:33:40,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,478 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 20:33:40,479 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 20:33:40,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:40,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:40,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:40,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 20:33:40,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,513 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 20:33:40,515 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 20:33:40,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:40,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:40,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:40,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:40,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:40,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:40,532 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:33:40,552 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-06 20:33:40,552 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-12-06 20:33:40,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:40,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:40,553 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 20:33:40,560 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:33:40,571 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 20:33:40,571 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:33:40,572 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_3 Supporting invariants [] [2021-12-06 20:33:40,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 20:33:40,604 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2021-12-06 20:33:40,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:40,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:33:40,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:40,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:33:40,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:40,635 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 20:33:40,635 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 20:33:40,635 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 67 transitions. cyclomatic complexity: 20 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 20:33:40,652 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 67 transitions. cyclomatic complexity: 20. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 149 states and 188 transitions. Complement of second has 6 states. [2021-12-06 20:33:40,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 20:33:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 20:33:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-12-06 20:33:40,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 20:33:40,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:40,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-06 20:33:40,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:40,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-06 20:33:40,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:40,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 188 transitions. [2021-12-06 20:33:40,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 20:33:40,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 56 states and 67 transitions. [2021-12-06 20:33:40,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-06 20:33:40,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-06 20:33:40,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2021-12-06 20:33:40,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:33:40,656 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2021-12-06 20:33:40,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2021-12-06 20:33:40,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 30. [2021-12-06 20:33:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 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 20:33:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-12-06 20:33:40,658 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-12-06 20:33:40,658 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-12-06 20:33:40,658 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 20:33:40,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2021-12-06 20:33:40,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 20:33:40,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:40,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:40,659 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:33:40,659 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 20:33:40,659 INFO L791 eck$LassoCheckResult]: Stem: 902#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 903#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 914#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 916#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 925#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 924#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 923#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 922#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 920#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 909#L559-1 [2021-12-06 20:33:40,659 INFO L793 eck$LassoCheckResult]: Loop: 909#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 908#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 909#L559-1 [2021-12-06 20:33:40,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:40,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1215726572, now seen corresponding path program 1 times [2021-12-06 20:33:40,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:40,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909240271] [2021-12-06 20:33:40,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:40,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:40,668 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:40,676 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:40,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:40,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2428, now seen corresponding path program 1 times [2021-12-06 20:33:40,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:40,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891709223] [2021-12-06 20:33:40,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:40,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:40,680 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:40,682 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:40,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:40,683 INFO L85 PathProgramCache]: Analyzing trace with hash 82132647, now seen corresponding path program 2 times [2021-12-06 20:33:40,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:40,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107772565] [2021-12-06 20:33:40,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:40,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:40,692 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:40,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:41,104 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:33:41,104 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:33:41,104 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:33:41,104 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:33:41,104 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:33:41,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,105 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:33:41,105 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:33:41,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration9_Lasso [2021-12-06 20:33:41,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:33:41,105 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:33:41,107 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 20:33:41,109 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 20:33:41,110 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 20:33:41,111 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 20:33:41,112 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 20:33:41,113 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 20:33:41,114 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 20:33:41,215 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 20:33:41,216 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 20:33:41,217 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 20:33:41,218 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 20:33:41,219 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 20:33:41,219 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 20:33:41,221 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 20:33:41,222 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 20:33:41,222 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 20:33:41,227 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 20:33:41,228 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 20:33:41,230 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 20:33:41,231 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 20:33:41,232 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 20:33:41,233 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 20:33:41,233 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 20:33:41,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 20:33:41,378 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:33:41,378 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:33:41,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:41,378 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:41,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 20:33:41,379 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 20:33:41,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:41,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:41,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:41,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:41,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:41,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:41,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:41,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:41,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 20:33:41,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:41,408 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:41,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 20:33:41,409 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 20:33:41,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:41,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:41,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:41,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:41,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:41,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:41,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:41,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:41,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 20:33:41,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:41,435 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:41,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 20:33:41,436 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 20:33:41,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:41,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:41,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:41,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:41,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:41,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:41,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:41,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 20:33:41,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:41,465 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:41,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 20:33:41,466 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 20:33:41,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:41,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:41,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:41,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:41,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:41,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:41,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:41,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:41,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 20:33:41,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:41,495 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:41,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 20:33:41,496 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 20:33:41,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:41,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:41,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:41,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:41,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:41,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:41,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:41,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:41,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:41,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:41,523 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:41,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 20:33:41,524 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 20:33:41,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:41,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:33:41,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:41,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:41,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:41,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:33:41,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:33:41,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:41,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 20:33:41,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:41,551 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:41,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 20:33:41,555 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 20:33:41,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:41,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:41,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:41,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:41,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:41,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:41,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:33:41,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:41,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:41,586 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:41,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 20:33:41,587 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 20:33:41,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:33:41,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:33:41,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:33:41,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:33:41,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:33:41,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:33:41,607 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:33:41,619 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-06 20:33:41,619 INFO L444 ModelExtractionUtils]: 8 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-12-06 20:33:41,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:33:41,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:33:41,620 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:33:41,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 20:33:41,621 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:33:41,629 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 20:33:41,629 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:33:41,629 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_#t~mem11#1) = 1*ULTIMATE.start_test_fun_#t~mem11#1 Supporting invariants [1*ULTIMATE.start_test_fun_#t~mem11#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_4 >= 0] [2021-12-06 20:33:41,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 20:33:41,666 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-12-06 20:33:41,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:41,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:33:41,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:41,699 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 20:33:41,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:41,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 16 [2021-12-06 20:33:41,716 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 20:33:41,717 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 20:33:41,717 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:41,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61 states and 76 transitions. Complement of second has 5 states. [2021-12-06 20:33:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 20:33:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-06 20:33:41,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-06 20:33:41,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:41,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-06 20:33:41,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:41,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2021-12-06 20:33:41,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:33:41,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2021-12-06 20:33:41,735 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 20:33:41,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 54 states and 66 transitions. [2021-12-06 20:33:41,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-12-06 20:33:41,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-12-06 20:33:41,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 66 transitions. [2021-12-06 20:33:41,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:33:41,736 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 66 transitions. [2021-12-06 20:33:41,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 66 transitions. [2021-12-06 20:33:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 47. [2021-12-06 20:33:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 46 states have internal predecessors, (57), 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 20:33:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2021-12-06 20:33:41,738 INFO L704 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-12-06 20:33:41,738 INFO L587 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-12-06 20:33:41,738 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 20:33:41,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 57 transitions. [2021-12-06 20:33:41,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 20:33:41,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:33:41,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:33:41,739 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 2, 2, 2, 2, 1, 1, 1] [2021-12-06 20:33:41,739 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 20:33:41,739 INFO L791 eck$LassoCheckResult]: Stem: 1096#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1097#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem10#1, test_fun_#t~mem9#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1108#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 1110#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 1141#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1113#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 1105#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1106#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 1107#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1115#L559-1 assume !(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1; 1121#L559-4 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 1120#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 1119#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1118#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 1117#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1116#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 1114#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1104#L559-1 [2021-12-06 20:33:41,739 INFO L793 eck$LassoCheckResult]: Loop: 1104#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 1103#L559-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1104#L559-1 [2021-12-06 20:33:41,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:41,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2055714993, now seen corresponding path program 2 times [2021-12-06 20:33:41,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:41,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252629133] [2021-12-06 20:33:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:41,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 20:33:41,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:33:41,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252629133] [2021-12-06 20:33:41,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252629133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:41,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:41,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:33:41,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148999668] [2021-12-06 20:33:41,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:41,767 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 20:33:41,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:41,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2428, now seen corresponding path program 2 times [2021-12-06 20:33:41,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:41,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913611250] [2021-12-06 20:33:41,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:41,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:41,770 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:41,772 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:33:41,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:33:41,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:33:41,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:33:41,795 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:33:41,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:41,812 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-12-06 20:33:41,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:33:41,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2021-12-06 20:33:41,813 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 20:33:41,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2021-12-06 20:33:41,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 20:33:41,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 20:33:41,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 20:33:41,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:33:41,814 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:33:41,814 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:33:41,814 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:33:41,814 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 20:33:41,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 20:33:41,814 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 20:33:41,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 20:33:41,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 08:33:41 BoogieIcfgContainer [2021-12-06 20:33:41,818 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 20:33:41,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:33:41,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:33:41,819 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:33:41,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:33:35" (3/4) ... [2021-12-06 20:33:41,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 20:33:41,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:33:41,823 INFO L158 Benchmark]: Toolchain (without parser) took 6991.93ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 82.6MB in the beginning and 45.7MB in the end (delta: 36.9MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2021-12-06 20:33:41,823 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory was 91.4MB in the beginning and 91.3MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:33:41,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.26ms. Allocated memory is still 111.1MB. Free memory was 82.4MB in the beginning and 67.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 20:33:41,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.73ms. Allocated memory is still 111.1MB. Free memory was 67.2MB in the beginning and 65.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:33:41,824 INFO L158 Benchmark]: Boogie Preprocessor took 25.02ms. Allocated memory is still 111.1MB. Free memory was 65.3MB in the beginning and 64.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:33:41,824 INFO L158 Benchmark]: RCFGBuilder took 251.27ms. Allocated memory is still 111.1MB. Free memory was 64.0MB in the beginning and 88.0MB in the end (delta: -24.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-12-06 20:33:41,825 INFO L158 Benchmark]: BuchiAutomizer took 6407.63ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 88.0MB in the beginning and 45.7MB in the end (delta: 42.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2021-12-06 20:33:41,825 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 134.2MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:33:41,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory was 91.4MB in the beginning and 91.3MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.26ms. Allocated memory is still 111.1MB. Free memory was 82.4MB in the beginning and 67.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.73ms. Allocated memory is still 111.1MB. Free memory was 67.2MB in the beginning and 65.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.02ms. Allocated memory is still 111.1MB. Free memory was 65.3MB in the beginning and 64.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 251.27ms. Allocated memory is still 111.1MB. Free memory was 64.0MB in the beginning and 88.0MB in the end (delta: -24.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 6407.63ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 88.0MB in the beginning and 45.7MB in the end (delta: 42.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 134.2MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (6 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 6 locations. One deterministic module has affine ranking function (if aux-(*x_ref > 0) && (*y_ref > 0)-aux then 1 else 0) and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 4 locations. One deterministic module has affine ranking function org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@2058ed9b and consists of 3 locations. 6 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.3s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 5.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 54 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 53 states and ocurred in iteration 7. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 8/8 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 208 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 11 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 116 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI5 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital201 mio100 ax109 hnf100 lsp88 ukn77 mio100 lsp33 div100 bol103 ite100 ukn100 eq180 hnf89 smp96 dnf138 smp89 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 46ms VariablesStem: 10 VariablesLoop: 7 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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 20:33:41,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 20:33:42,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-06 20:33:42,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e921780-efcd-49b4-80c9-cdb35a7e5f6e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE